From patchwork Fri Nov 5 12:42:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517238 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F45DC433EF for ; Fri, 5 Nov 2021 12:43:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B539611EF for ; Fri, 5 Nov 2021 12:43:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232618AbhKEMpo (ORCPT ); Fri, 5 Nov 2021 08:45:44 -0400 Received: from mga14.intel.com ([192.55.52.115]:21381 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232105AbhKEMpn (ORCPT ); Fri, 5 Nov 2021 08:45:43 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="232139819" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="232139819" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="532577175" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 05 Nov 2021 05:42:59 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 0C9D312B; Fri, 5 Nov 2021 14:43:00 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 01/19] lib/string_helpers: Introduce kasprintf_strarray() Date: Fri, 5 Nov 2021 14:42:24 +0200 Message-Id: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org We have a few users already that basically want to have array of sequential strings to be allocated and filled. Provide a helper for them (basically adjusted version from gpio-mockup.c). Signed-off-by: Andy Shevchenko --- include/linux/string_helpers.h | 1 + lib/string_helpers.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 4ba39e1403b2..f67a94013c87 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -100,6 +100,7 @@ char *kstrdup_quotable(const char *src, gfp_t gfp); char *kstrdup_quotable_cmdline(struct task_struct *task, gfp_t gfp); char *kstrdup_quotable_file(struct file *file, gfp_t gfp); +char **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n); void kfree_strarray(char **array, size_t n); #endif diff --git a/lib/string_helpers.c b/lib/string_helpers.c index d5d008f5b1d9..9758997c465e 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -674,6 +674,39 @@ char *kstrdup_quotable_file(struct file *file, gfp_t gfp) } EXPORT_SYMBOL_GPL(kstrdup_quotable_file); +/** + * kasprintf_strarray - allocate and fill array of sequential strings + * @gfp: flags for the slab allocator + * @prefix: prefix to be used + * @n: amount of lines to be allocated and filled + * + * Allocates and fills @n strings using pattern "%s-%zu", where prefix + * is provided by caller. The caller is responsible to free them with + * kfree_strarray() after use. + * + * Returns array of strings or NULL when memory can't be allocated. + */ +char **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n) +{ + char **names; + size_t i; + + names = kcalloc(n + 1, sizeof(char *), gfp); + if (!names) + return NULL; + + for (i = 0; i < n; i++) { + names[i] = kasprintf(gfp, "%s-%zu", prefix, i); + if (!names[i]) { + kfree_strarray(names, i); + return NULL; + } + } + + return names; +} +EXPORT_SYMBOL_GPL(kasprintf_strarray); + /** * kfree_strarray - free a number of dynamically allocated strings contained * in an array and the array itself From patchwork Fri Nov 5 12:42:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517234 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B790C433EF for ; Fri, 5 Nov 2021 12:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4189611EF for ; Fri, 5 Nov 2021 12:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233058AbhKEMp7 (ORCPT ); Fri, 5 Nov 2021 08:45:59 -0400 Received: from mga09.intel.com ([134.134.136.24]:28683 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232628AbhKEMpv (ORCPT ); Fri, 5 Nov 2021 08:45:51 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="231734429" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="231734429" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="579644106" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 05 Nov 2021 05:42:59 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 1BE5C11E; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 02/19] lib/string_helpers: Introduce managed variant of kasprintf_strarray() Date: Fri, 5 Nov 2021 14:42:25 +0200 Message-Id: <20211105124242.27288-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Some of the users want to have easy way to allocate array of strings that will be automatically cleaned when associated device is gone. Introduce managed variant of kasprintf_strarray() for such use cases. Signed-off-by: Andy Shevchenko --- include/linux/string_helpers.h | 3 +++ lib/string_helpers.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index f67a94013c87..7a22921c9db7 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -7,6 +7,7 @@ #include #include +struct device; struct file; struct task_struct; @@ -103,4 +104,6 @@ char *kstrdup_quotable_file(struct file *file, gfp_t gfp); char **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n); void kfree_strarray(char **array, size_t n); +char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n); + #endif diff --git a/lib/string_helpers.c b/lib/string_helpers.c index 9758997c465e..90f9f1b7afec 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -730,6 +731,36 @@ void kfree_strarray(char **array, size_t n) } EXPORT_SYMBOL_GPL(kfree_strarray); +struct strarray { + char **array; + size_t n; +}; + +static void devm_kfree_strarray(struct device *dev, void *res) +{ + struct strarray *array = res; + + kfree_strarray(array->array, array->n); +} + +char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n) +{ + struct strarray *ptr; + + ptr = devres_alloc(devm_kfree_strarray, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + ptr->array = kasprintf_strarray(GFP_KERNEL, prefix, n); + if (!ptr->array) { + devres_free(ptr); + return ERR_PTR(-ENOMEM); + } + + return ptr->array; +} +EXPORT_SYMBOL_GPL(devm_kasprintf_strarray); + /** * strscpy_pad() - Copy a C-string into a sized buffer * @dest: Where to copy the string to From patchwork Fri Nov 5 12:42:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517236 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDEBDC433F5 for ; Fri, 5 Nov 2021 12:43:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6820611EF for ; Fri, 5 Nov 2021 12:43:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233003AbhKEMpy (ORCPT ); Fri, 5 Nov 2021 08:45:54 -0400 Received: from mga07.intel.com ([134.134.136.100]:41489 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232608AbhKEMpp (ORCPT ); Fri, 5 Nov 2021 08:45:45 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="295333835" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="295333835" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="450560674" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 05 Nov 2021 05:43:00 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3EA0843A; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 04/19] pinctrl/rockchip: Use temporary variable for struct device Date: Fri, 5 Nov 2021 14:42:27 +0200 Message-Id: <20211105124242.27288-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-rockchip.c | 116 +++++++++++++---------------- 1 file changed, 53 insertions(+), 63 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 6031d98d9849..ae80c95bae87 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -285,6 +285,7 @@ static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const struct rockchip_pin_group *grp; + struct device *dev = info->dev; struct pinctrl_map *new_map; struct device_node *parent; int map_num = 1; @@ -296,8 +297,7 @@ static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, */ grp = pinctrl_name_to_group(info, np->name); if (!grp) { - dev_err(info->dev, "unable to find group for node %pOFn\n", - np); + dev_err(dev, "unable to find group for node %pOFn\n", np); return -EINVAL; } @@ -331,7 +331,7 @@ static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, new_map[i].data.configs.num_configs = grp->data[i].nconfigs; } - dev_dbg(pctldev->dev, "maps: function %s group %s num %d\n", + dev_dbg(dev, "maps: function %s group %s num %d\n", (*map)->data.mux.function, (*map)->data.mux.group, map_num); return 0; @@ -872,20 +872,20 @@ static int rockchip_verify_mux(struct rockchip_pin_bank *bank, int pin, int mux) { struct rockchip_pinctrl *info = bank->drvdata; + struct device *dev = info->dev; int iomux_num = (pin / 8); if (iomux_num > 3) return -EINVAL; if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) { - dev_err(info->dev, "pin %d is unrouted\n", pin); + dev_err(dev, "pin %d is unrouted\n", pin); return -EINVAL; } if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) { if (mux != RK_FUNC_GPIO) { - dev_err(info->dev, - "pin %d only supports a gpio mux\n", pin); + dev_err(dev, "pin %d only supports a gpio mux\n", pin); return -ENOTSUPP; } } @@ -909,6 +909,7 @@ static int rockchip_verify_mux(struct rockchip_pin_bank *bank, static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) { struct rockchip_pinctrl *info = bank->drvdata; + struct device *dev = info->dev; int iomux_num = (pin / 8); struct regmap *regmap; int reg, ret, mask, mux_type; @@ -922,8 +923,7 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) return 0; - dev_dbg(info->dev, "setting mux of GPIO%d-%d to %d\n", - bank->bank_num, pin, mux); + dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) ? info->regmap_pmu : info->regmap_base; @@ -1575,6 +1575,7 @@ static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank, { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; + struct device *dev = info->dev; struct regmap *regmap; int reg, ret; u32 data, temp, rmask_bits; @@ -1620,7 +1621,7 @@ static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank, bit -= 16; break; default: - dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n", + dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n", bit, drv_type); return -EINVAL; } @@ -1632,8 +1633,7 @@ static int rockchip_get_drive_perpin(struct rockchip_pin_bank *bank, rmask_bits = RK3288_DRV_BITS_PER_PIN; break; default: - dev_err(info->dev, "unsupported pinctrl drive type: %d\n", - drv_type); + dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type); return -EINVAL; } @@ -1652,13 +1652,14 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; + struct device *dev = info->dev; struct regmap *regmap; int reg, ret, i; u32 data, rmask, rmask_bits, temp; u8 bit; int drv_type = bank->drv[pin_num / 8].drv_type; - dev_dbg(info->dev, "setting drive of GPIO%d-%d to %d\n", + dev_dbg(dev, "setting drive of GPIO%d-%d to %d\n", bank->bank_num, pin_num, strength); ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit); @@ -1680,8 +1681,7 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, } if (ret < 0) { - dev_err(info->dev, "unsupported driver strength %d\n", - strength); + dev_err(dev, "unsupported driver strength %d\n", strength); return ret; } @@ -1720,7 +1720,7 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, bit -= 16; break; default: - dev_err(info->dev, "unsupported bit: %d for pinctrl drive type: %d\n", + dev_err(dev, "unsupported bit: %d for pinctrl drive type: %d\n", bit, drv_type); return -EINVAL; } @@ -1731,8 +1731,7 @@ static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, rmask_bits = RK3288_DRV_BITS_PER_PIN; break; default: - dev_err(info->dev, "unsupported pinctrl drive type: %d\n", - drv_type); + dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type); return -EINVAL; } @@ -1766,6 +1765,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; + struct device *dev = info->dev; struct regmap *regmap; int reg, ret, pull_type; u8 bit; @@ -1800,7 +1800,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) return rockchip_pull_list[pull_type][data]; default: - dev_err(info->dev, "unsupported pinctrl type\n"); + dev_err(dev, "unsupported pinctrl type\n"); return -EINVAL; }; } @@ -1810,13 +1810,13 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; + struct device *dev = info->dev; struct regmap *regmap; int reg, ret, i, pull_type; u8 bit; u32 data, rmask; - dev_dbg(info->dev, "setting pull of GPIO%d-%d to %d\n", - bank->bank_num, pin_num, pull); + dev_dbg(dev, "setting pull of GPIO%d-%d to %d\n", bank->bank_num, pin_num, pull); /* rk3066b does support any pulls */ if (ctrl->type == RK3066B) @@ -1859,8 +1859,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, } if (ret < 0) { - dev_err(info->dev, "unsupported pull setting %d\n", - pull); + dev_err(dev, "unsupported pull setting %d\n", pull); return ret; } @@ -1872,7 +1871,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, ret = regmap_update_bits(regmap, reg, rmask, data); break; default: - dev_err(info->dev, "unsupported pinctrl type\n"); + dev_err(dev, "unsupported pinctrl type\n"); return -EINVAL; } @@ -1963,12 +1962,13 @@ static int rockchip_set_schmitt(struct rockchip_pin_bank *bank, { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; + struct device *dev = info->dev; struct regmap *regmap; int reg, ret; u8 bit; u32 data, rmask; - dev_dbg(info->dev, "setting input schmitt of GPIO%d-%d to %d\n", + dev_dbg(dev, "setting input schmitt of GPIO%d-%d to %d\n", bank->bank_num, pin_num, enable); ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit); @@ -2028,10 +2028,11 @@ static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector, struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const unsigned int *pins = info->groups[group].pins; const struct rockchip_pin_config *data = info->groups[group].data; + struct device *dev = info->dev; struct rockchip_pin_bank *bank; int cnt, ret = 0; - dev_dbg(info->dev, "enable function %s group %s\n", + dev_dbg(dev, "enable function %s group %s\n", info->functions[selector].name, info->groups[group].name); /* @@ -2310,6 +2311,7 @@ static int rockchip_pinctrl_parse_groups(struct device_node *np, struct rockchip_pinctrl *info, u32 index) { + struct device *dev = info->dev; struct rockchip_pin_bank *bank; int size; const __be32 *list; @@ -2317,7 +2319,7 @@ static int rockchip_pinctrl_parse_groups(struct device_node *np, int i, j; int ret; - dev_dbg(info->dev, "group(%d): %pOFn\n", index, np); + dev_dbg(dev, "group(%d): %pOFn\n", index, np); /* Initialise group */ grp->name = np->name; @@ -2330,18 +2332,14 @@ static int rockchip_pinctrl_parse_groups(struct device_node *np, /* we do not check return since it's safe node passed down */ size /= sizeof(*list); if (!size || size % 4) { - dev_err(info->dev, "wrong pins number or pins and configs should be by 4\n"); + dev_err(dev, "wrong pins number or pins and configs should be by 4\n"); return -EINVAL; } grp->npins = size / 4; - grp->pins = devm_kcalloc(info->dev, grp->npins, sizeof(unsigned int), - GFP_KERNEL); - grp->data = devm_kcalloc(info->dev, - grp->npins, - sizeof(struct rockchip_pin_config), - GFP_KERNEL); + grp->pins = devm_kcalloc(dev, grp->npins, sizeof(*grp->pins), GFP_KERNEL); + grp->data = devm_kcalloc(dev, grp->npins, sizeof(*grp->data), GFP_KERNEL); if (!grp->pins || !grp->data) return -ENOMEM; @@ -2375,6 +2373,7 @@ static int rockchip_pinctrl_parse_functions(struct device_node *np, struct rockchip_pinctrl *info, u32 index) { + struct device *dev = info->dev; struct device_node *child; struct rockchip_pmx_func *func; struct rockchip_pin_group *grp; @@ -2382,7 +2381,7 @@ static int rockchip_pinctrl_parse_functions(struct device_node *np, static u32 grp_index; u32 i = 0; - dev_dbg(info->dev, "parse function(%d): %pOFn\n", index, np); + dev_dbg(dev, "parse function(%d): %pOFn\n", index, np); func = &info->functions[index]; @@ -2392,8 +2391,7 @@ static int rockchip_pinctrl_parse_functions(struct device_node *np, if (func->ngroups <= 0) return 0; - func->groups = devm_kcalloc(info->dev, - func->ngroups, sizeof(char *), GFP_KERNEL); + func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL); if (!func->groups) return -ENOMEM; @@ -2421,20 +2419,14 @@ static int rockchip_pinctrl_parse_dt(struct platform_device *pdev, rockchip_pinctrl_child_count(info, np); - dev_dbg(&pdev->dev, "nfunctions = %d\n", info->nfunctions); - dev_dbg(&pdev->dev, "ngroups = %d\n", info->ngroups); + dev_dbg(dev, "nfunctions = %d\n", info->nfunctions); + dev_dbg(dev, "ngroups = %d\n", info->ngroups); - info->functions = devm_kcalloc(dev, - info->nfunctions, - sizeof(struct rockchip_pmx_func), - GFP_KERNEL); + info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions), GFP_KERNEL); if (!info->functions) return -ENOMEM; - info->groups = devm_kcalloc(dev, - info->ngroups, - sizeof(struct rockchip_pin_group), - GFP_KERNEL); + info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups), GFP_KERNEL); if (!info->groups) return -ENOMEM; @@ -2446,7 +2438,7 @@ static int rockchip_pinctrl_parse_dt(struct platform_device *pdev, ret = rockchip_pinctrl_parse_functions(child, info, i++); if (ret) { - dev_err(&pdev->dev, "failed to parse function\n"); + dev_err(dev, "failed to parse function\n"); of_node_put(child); return ret; } @@ -2461,6 +2453,7 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, struct pinctrl_desc *ctrldesc = &info->pctl; struct pinctrl_pin_desc *pindesc, *pdesc; struct rockchip_pin_bank *pin_bank; + struct device *dev = &pdev->dev; int pin, bank, ret; int k; @@ -2470,9 +2463,7 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, ctrldesc->pmxops = &rockchip_pmx_ops; ctrldesc->confops = &rockchip_pinconf_ops; - pindesc = devm_kcalloc(&pdev->dev, - info->ctrl->nr_pins, sizeof(*pindesc), - GFP_KERNEL); + pindesc = devm_kcalloc(dev, info->ctrl->nr_pins, sizeof(*pindesc), GFP_KERNEL); if (!pindesc) return -ENOMEM; @@ -2497,9 +2488,9 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, if (ret) return ret; - info->pctl_dev = devm_pinctrl_register(&pdev->dev, ctrldesc, info); + info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info); if (IS_ERR(info->pctl_dev)) { - dev_err(&pdev->dev, "could not register pinctrl driver\n"); + dev_err(dev, "could not register pinctrl driver\n"); return PTR_ERR(info->pctl_dev); } @@ -2513,8 +2504,9 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( struct rockchip_pinctrl *d, struct platform_device *pdev) { + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; const struct of_device_id *match; - struct device_node *node = pdev->dev.of_node; struct rockchip_pin_ctrl *ctrl; struct rockchip_pin_bank *bank; int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j; @@ -2566,7 +2558,7 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( drv_pmu_offs : drv_grf_offs; } - dev_dbg(d->dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n", + dev_dbg(dev, "bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n", i, j, iom->offset, drv->offset); /* @@ -2675,8 +2667,8 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) { struct rockchip_pinctrl *info; struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node, *node; struct rockchip_pin_ctrl *ctrl; - struct device_node *np = pdev->dev.of_node, *node; struct resource *res; void __iomem *base; int ret; @@ -2712,8 +2704,8 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) rockchip_regmap_config.max_register = resource_size(res) - 4; rockchip_regmap_config.name = "rockchip,pinctrl"; - info->regmap_base = devm_regmap_init_mmio(&pdev->dev, base, - &rockchip_regmap_config); + info->regmap_base = + devm_regmap_init_mmio(dev, base, &rockchip_regmap_config); /* to check for the old dt-bindings */ info->reg_size = resource_size(res); @@ -2725,12 +2717,10 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - rockchip_regmap_config.max_register = - resource_size(res) - 4; + rockchip_regmap_config.max_register = resource_size(res) - 4; rockchip_regmap_config.name = "rockchip,pinctrl-pull"; - info->regmap_pull = devm_regmap_init_mmio(&pdev->dev, - base, - &rockchip_regmap_config); + info->regmap_pull = + devm_regmap_init_mmio(dev, base, &rockchip_regmap_config); } } @@ -2750,7 +2740,7 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) ret = of_platform_populate(np, rockchip_bank_match, NULL, NULL); if (ret) { - dev_err(&pdev->dev, "failed to register gpio device\n"); + dev_err(dev, "failed to register gpio device\n"); return ret; } From patchwork Fri Nov 5 12:42:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517237 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B25E9C433EF for ; Fri, 5 Nov 2021 12:43:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 973E4611EF for ; Fri, 5 Nov 2021 12:43:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232105AbhKEMpw (ORCPT ); Fri, 5 Nov 2021 08:45:52 -0400 Received: from mga04.intel.com ([192.55.52.120]:61253 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232647AbhKEMpv (ORCPT ); Fri, 5 Nov 2021 08:45:51 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="230614543" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="230614543" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="730520446" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 05 Nov 2021 05:43:04 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 64BAB512; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 07/19] pinctrl/rockchip: Switch to use devm_kasprintf_strarray() Date: Fri, 5 Nov 2021 14:42:30 +0200 Message-Id: <20211105124242.27288-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Since we have a generic helper, switch the module to use it. As a side effect, add check for the memory allocation failures and cleanup it either in error case or when driver is unloading. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-rockchip.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 929c96ea621a..438808a867cf 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -33,6 +33,8 @@ #include #include #include +#include + #include #include "core.h" @@ -2452,6 +2454,7 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, struct pinctrl_pin_desc *pindesc, *pdesc; struct rockchip_pin_bank *pin_bank; struct device *dev = &pdev->dev; + char **pin_names; int pin, bank, ret; int k; @@ -2471,10 +2474,14 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, pdesc = pindesc; for (bank = 0, k = 0; bank < info->ctrl->nr_banks; bank++) { pin_bank = &info->ctrl->pin_banks[bank]; + + pin_names = devm_kasprintf_strarray(dev, pin_bank->name, pin_bank->nr_pins); + if (IS_ERR(pin_names)) + return PTR_ERR(pin_names); + for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) { pdesc->number = k; - pdesc->name = kasprintf(GFP_KERNEL, "%s-%d", - pin_bank->name, pin); + pdesc->name = pin_names[pin]; pdesc++; } From patchwork Fri Nov 5 12:42:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517231 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81228C433EF for ; Fri, 5 Nov 2021 12:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6888D6125F for ; Fri, 5 Nov 2021 12:43:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233170AbhKEMqI (ORCPT ); Fri, 5 Nov 2021 08:46:08 -0400 Received: from mga06.intel.com ([134.134.136.31]:53541 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232959AbhKEMpx (ORCPT ); Fri, 5 Nov 2021 08:45:53 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="292724130" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="292724130" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="542718188" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 05 Nov 2021 05:43:04 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 7D7D262B; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 09/19] pinctrl: armada-37xx: Use temporary variable for struct device Date: Fri, 5 Nov 2021 14:42:32 +0200 Message-Id: <20211105124242.27288-9-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 56 +++++++++------------ 1 file changed, 23 insertions(+), 33 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index 5615cb7a1209..37f92dc54d7a 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -341,12 +341,12 @@ static int armada_37xx_pmx_set_by_name(struct pinctrl_dev *pctldev, struct armada_37xx_pin_group *grp) { struct armada_37xx_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); + struct device *dev = info->dev; unsigned int reg = SELECTION; unsigned int mask = grp->reg_mask; int func, val; - dev_dbg(info->dev, "enable function %s group %s\n", - name, grp->name); + dev_dbg(dev, "enable function %s group %s\n", name, grp->name); func = match_string(grp->funcs, NB_FUNCS, name); if (func < 0) @@ -722,16 +722,16 @@ static unsigned int armada_37xx_irq_startup(struct irq_data *d) static int armada_37xx_irqchip_register(struct platform_device *pdev, struct armada_37xx_pinctrl *info) { - struct device_node *np = info->dev->of_node; struct gpio_chip *gc = &info->gpio_chip; struct irq_chip *irqchip = &info->irq_chip; struct gpio_irq_chip *girq = &gc->irq; struct device *dev = &pdev->dev; + struct device_node *np; struct resource res; int ret = -ENODEV, i, nr_irq_parent; /* Check if we have at least one gpio-controller child node */ - for_each_child_of_node(info->dev->of_node, np) { + for_each_child_of_node(dev->of_node, np) { if (of_property_read_bool(np, "gpio-controller")) { ret = 0; break; @@ -750,12 +750,12 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev, return 0; } - if (of_address_to_resource(info->dev->of_node, 1, &res)) { + if (of_address_to_resource(dev->of_node, 1, &res)) { dev_err(dev, "cannot find IO resource\n"); return -ENOENT; } - info->base = devm_ioremap_resource(info->dev, &res); + info->base = devm_ioremap_resource(dev, &res); if (IS_ERR(info->base)) return PTR_ERR(info->base); @@ -774,8 +774,7 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev, * the chained irq with all of them. */ girq->num_parents = nr_irq_parent; - girq->parents = devm_kcalloc(&pdev->dev, nr_irq_parent, - sizeof(*girq->parents), GFP_KERNEL); + girq->parents = devm_kcalloc(dev, nr_irq_parent, sizeof(*girq->parents), GFP_KERNEL); if (!girq->parents) return -ENOMEM; for (i = 0; i < nr_irq_parent; i++) { @@ -794,11 +793,12 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev, static int armada_37xx_gpiochip_register(struct platform_device *pdev, struct armada_37xx_pinctrl *info) { + struct device *dev = &pdev->dev; struct device_node *np; struct gpio_chip *gc; int ret = -ENODEV; - for_each_child_of_node(info->dev->of_node, np) { + for_each_child_of_node(dev->of_node, np) { if (of_find_property(np, "gpio-controller", NULL)) { ret = 0; break; @@ -811,19 +811,16 @@ static int armada_37xx_gpiochip_register(struct platform_device *pdev, gc = &info->gpio_chip; gc->ngpio = info->data->nr_pins; - gc->parent = &pdev->dev; + gc->parent = dev; gc->base = -1; gc->of_node = np; gc->label = info->data->name; ret = armada_37xx_irqchip_register(pdev, info); - if (ret) - return ret; - ret = devm_gpiochip_add_data(&pdev->dev, gc, info); if (ret) return ret; - return 0; + return devm_gpiochip_add_data(dev, gc, info); } /** @@ -874,13 +871,13 @@ static int armada_37xx_add_function(struct armada_37xx_pmx_func *funcs, static int armada_37xx_fill_group(struct armada_37xx_pinctrl *info) { int n, num = 0, funcsize = info->data->nr_pins; + struct device *dev = info->dev; for (n = 0; n < info->ngroups; n++) { struct armada_37xx_pin_group *grp = &info->groups[n]; int i, j, f; - grp->pins = devm_kcalloc(info->dev, - grp->npins + grp->extra_npins, + grp->pins = devm_kcalloc(dev, grp->npins + grp->extra_npins, sizeof(*grp->pins), GFP_KERNEL); if (!grp->pins) @@ -898,8 +895,7 @@ static int armada_37xx_fill_group(struct armada_37xx_pinctrl *info) ret = armada_37xx_add_function(info->funcs, &funcsize, grp->funcs[f]); if (ret == -EOVERFLOW) - dev_err(info->dev, - "More functions than pins(%d)\n", + dev_err(dev, "More functions than pins(%d)\n", info->data->nr_pins); if (ret < 0) continue; @@ -925,6 +921,7 @@ static int armada_37xx_fill_group(struct armada_37xx_pinctrl *info) static int armada_37xx_fill_func(struct armada_37xx_pinctrl *info) { struct armada_37xx_pmx_func *funcs = info->funcs; + struct device *dev = info->dev; int n; for (n = 0; n < info->nfuncs; n++) { @@ -932,8 +929,7 @@ static int armada_37xx_fill_func(struct armada_37xx_pinctrl *info) const char **groups; int g; - funcs[n].groups = devm_kcalloc(info->dev, - funcs[n].ngroups, + funcs[n].groups = devm_kcalloc(dev, funcs[n].ngroups, sizeof(*(funcs[n].groups)), GFP_KERNEL); if (!funcs[n].groups) @@ -962,6 +958,7 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, const struct armada_37xx_pin_data *pin_data = info->data; struct pinctrl_desc *ctrldesc = &info->pctl; struct pinctrl_pin_desc *pindesc, *pdesc; + struct device *dev = &pdev->dev; int pin, ret; info->groups = pin_data->groups; @@ -973,9 +970,7 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, ctrldesc->pmxops = &armada_37xx_pmx_ops; ctrldesc->confops = &armada_37xx_pinconf_ops; - pindesc = devm_kcalloc(&pdev->dev, - pin_data->nr_pins, sizeof(*pindesc), - GFP_KERNEL); + pindesc = devm_kcalloc(dev, pin_data->nr_pins, sizeof(*pindesc), GFP_KERNEL); if (!pindesc) return -ENOMEM; @@ -994,14 +989,10 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, * we allocate functions for number of pins and hope there are * fewer unique functions than pins available */ - info->funcs = devm_kcalloc(&pdev->dev, - pin_data->nr_pins, - sizeof(struct armada_37xx_pmx_func), - GFP_KERNEL); + info->funcs = devm_kcalloc(dev, pin_data->nr_pins, sizeof(*info->funcs), GFP_KERNEL); if (!info->funcs) return -ENOMEM; - ret = armada_37xx_fill_group(info); if (ret) return ret; @@ -1010,9 +1001,9 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, if (ret) return ret; - info->pctl_dev = devm_pinctrl_register(&pdev->dev, ctrldesc, info); + info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info); if (IS_ERR(info->pctl_dev)) { - dev_err(&pdev->dev, "could not register pinctrl driver\n"); + dev_err(dev, "could not register pinctrl driver\n"); return PTR_ERR(info->pctl_dev); } @@ -1143,8 +1134,7 @@ static int __init armada_37xx_pinctrl_probe(struct platform_device *pdev) struct regmap *regmap; int ret; - info = devm_kzalloc(dev, sizeof(struct armada_37xx_pinctrl), - GFP_KERNEL); + info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; @@ -1152,7 +1142,7 @@ static int __init armada_37xx_pinctrl_probe(struct platform_device *pdev) regmap = syscon_node_to_regmap(np); if (IS_ERR(regmap)) { - dev_err(&pdev->dev, "cannot get regmap\n"); + dev_err(dev, "cannot get regmap\n"); return PTR_ERR(regmap); } info->regmap = regmap; From patchwork Fri Nov 5 12:42:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517235 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58910C43217 for ; Fri, 5 Nov 2021 12:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3496B611EF for ; Fri, 5 Nov 2021 12:43:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233093AbhKEMqB (ORCPT ); Fri, 5 Nov 2021 08:46:01 -0400 Received: from mga07.intel.com ([134.134.136.100]:41496 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232656AbhKEMpv (ORCPT ); Fri, 5 Nov 2021 08:45:51 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="295333851" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="295333851" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="501921083" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 05 Nov 2021 05:43:05 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 970FE74D; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 11/19] pinctrl: armada-37xx: Convert to use dev_err_probe() Date: Fri, 5 Nov 2021 14:42:34 +0200 Message-Id: <20211105124242.27288-11-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org It's fine to call dev_err_probe() in ->probe() when error code is known. Convert the driver to use dev_err_probe(). Signed-off-by: Andy Shevchenko --- drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index 282b3fac3bec..f48745c43419 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -736,10 +736,8 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev, break; } } - if (ret) { - dev_err(dev, "no gpio-controller child node\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "no gpio-controller child node\n"); nr_irq_parent = of_irq_count(np); spin_lock_init(&info->irq_lock); @@ -996,10 +994,8 @@ static int armada_37xx_pinctrl_register(struct platform_device *pdev, return ret; info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info); - if (IS_ERR(info->pctl_dev)) { - dev_err(dev, "could not register pinctrl driver\n"); - return PTR_ERR(info->pctl_dev); - } + if (IS_ERR(info->pctl_dev)) + return dev_err_probe(dev, PTR_ERR(info->pctl_dev), "could not register pinctrl driver\n"); return 0; } @@ -1135,10 +1131,8 @@ static int __init armada_37xx_pinctrl_probe(struct platform_device *pdev) info->dev = dev; regmap = syscon_node_to_regmap(np); - if (IS_ERR(regmap)) { - dev_err(dev, "cannot get regmap\n"); - return PTR_ERR(regmap); - } + if (IS_ERR(regmap)) + return dev_err_probe(dev, PTR_ERR(regmap), "cannot get regmap\n"); info->regmap = regmap; info->data = of_device_get_match_data(dev); From patchwork Fri Nov 5 12:42:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517233 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 65E89C4167D for ; Fri, 5 Nov 2021 12:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 455BB61284 for ; Fri, 5 Nov 2021 12:43:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233134AbhKEMqC (ORCPT ); Fri, 5 Nov 2021 08:46:02 -0400 Received: from mga09.intel.com ([134.134.136.24]:28688 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232664AbhKEMpv (ORCPT ); Fri, 5 Nov 2021 08:45:51 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="231734444" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="231734444" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="579644682" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 05 Nov 2021 05:43:05 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id B012C825; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 13/19] pinctrl: st: Drop wrong kernel doc annotations Date: Fri, 5 Nov 2021 14:42:36 +0200 Message-Id: <20211105124242.27288-13-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Kernel doc validator is not happy: .../pinctrl-st.c:59: warning: This comment starts with '/**', but isn't a kernel-doc comment. .../pinctrl-st.c:73: warning: This comment starts with '/**', but isn't a kernel-doc comment. Drop them as they are indeed not a kernel doc comments. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-st.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 1482a01dfec7..ae8783b34ed2 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -55,7 +55,7 @@ #define ST_GPIO_DIRECTION_OUT 0x2 #define ST_GPIO_DIRECTION_IN 0x4 -/** +/* * Packed style retime configuration. * There are two registers cfg0 and cfg1 in this style for each bank. * Each field in this register is 8 bit corresponding to 8 pins in the bank. @@ -69,7 +69,7 @@ #define RT_P_CFG1_CLKNOTDATA_FIELD(reg) REG_FIELD(reg, 16, 23) #define RT_P_CFG1_DOUBLE_EDGE_FIELD(reg) REG_FIELD(reg, 24, 31) -/** +/* * Dedicated style retime Configuration register * each register is dedicated per pin. */ From patchwork Fri Nov 5 12:42:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517232 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51F74C4167E for ; Fri, 5 Nov 2021 12:43:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3E0A161283 for ; Fri, 5 Nov 2021 12:43:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232647AbhKEMqF (ORCPT ); Fri, 5 Nov 2021 08:46:05 -0400 Received: from mga09.intel.com ([134.134.136.24]:28683 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232711AbhKEMpw (ORCPT ); Fri, 5 Nov 2021 08:45:52 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="231734445" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="231734445" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="579644683" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 05 Nov 2021 05:43:05 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id BD5078A2; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 14/19] pinctrl: st: Use temporary variable for struct device Date: Fri, 5 Nov 2021 14:42:37 +0200 Message-Id: <20211105124242.27288-14-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-st.c | 73 +++++++++++++++++------------------- 1 file changed, 34 insertions(+), 39 deletions(-) diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index ae8783b34ed2..f592e9ad93fc 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -814,26 +814,25 @@ static int st_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, { struct st_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const struct st_pctl_group *grp; + struct device *dev = info->dev; struct pinctrl_map *new_map; struct device_node *parent; int map_num, i; grp = st_pctl_find_group_by_name(info, np->name); if (!grp) { - dev_err(info->dev, "unable to find group for node %pOFn\n", - np); + dev_err(dev, "unable to find group for node %pOFn\n", np); return -EINVAL; } map_num = grp->npins + 1; - new_map = devm_kcalloc(pctldev->dev, - map_num, sizeof(*new_map), GFP_KERNEL); + new_map = devm_kcalloc(dev, map_num, sizeof(*new_map), GFP_KERNEL); if (!new_map) return -ENOMEM; parent = of_get_parent(np); if (!parent) { - devm_kfree(pctldev->dev, new_map); + devm_kfree(dev, new_map); return -EINVAL; } @@ -853,7 +852,7 @@ static int st_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, new_map[i].data.configs.configs = &grp->pin_conf[i].config; new_map[i].data.configs.num_configs = 1; } - dev_info(pctldev->dev, "maps: function %s group %s num %d\n", + dev_info(dev, "maps: function %s group %s num %d\n", (*map)->data.mux.function, grp->name, map_num); return 0; @@ -1173,6 +1172,7 @@ static int st_pctl_dt_parse_groups(struct device_node *np, /* bank pad direction val altfunction */ const __be32 *list; struct property *pp; + struct device *dev = info->dev; struct st_pinconf *conf; struct device_node *pins; int i = 0, npins = 0, nr_props, ret = 0; @@ -1197,9 +1197,8 @@ static int st_pctl_dt_parse_groups(struct device_node *np, grp->npins = npins; grp->name = np->name; - grp->pins = devm_kcalloc(info->dev, npins, sizeof(u32), GFP_KERNEL); - grp->pin_conf = devm_kcalloc(info->dev, - npins, sizeof(*conf), GFP_KERNEL); + grp->pins = devm_kcalloc(dev, npins, sizeof(*grp->pins), GFP_KERNEL); + grp->pin_conf = devm_kcalloc(dev, npins, sizeof(*grp->pin_conf), GFP_KERNEL); if (!grp->pins || !grp->pin_conf) { ret = -ENOMEM; @@ -1247,6 +1246,7 @@ static int st_pctl_dt_parse_groups(struct device_node *np, static int st_pctl_parse_functions(struct device_node *np, struct st_pinctrl *info, u32 index, int *grp_index) { + struct device *dev = info->dev; struct device_node *child; struct st_pmx_func *func; struct st_pctl_group *grp; @@ -1256,11 +1256,10 @@ static int st_pctl_parse_functions(struct device_node *np, func->name = np->name; func->ngroups = of_get_child_count(np); if (func->ngroups == 0) { - dev_err(info->dev, "No groups defined\n"); + dev_err(dev, "No groups defined\n"); return -EINVAL; } - func->groups = devm_kcalloc(info->dev, - func->ngroups, sizeof(char *), GFP_KERNEL); + func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL); if (!func->groups) return -ENOMEM; @@ -1275,8 +1274,7 @@ static int st_pctl_parse_functions(struct device_node *np, return ret; } } - dev_info(info->dev, "Function[%d\t name:%s,\tgroups:%d]\n", - index, func->name, func->ngroups); + dev_info(dev, "Function[%d\t name:%s,\tgroups:%d]\n", index, func->name, func->ngroups); return 0; } @@ -1577,10 +1575,11 @@ static const struct of_device_id st_pctl_of_match[] = { static int st_pctl_probe_dt(struct platform_device *pdev, struct pinctrl_desc *pctl_desc, struct st_pinctrl *info) { + struct device *dev = &pdev->dev; int ret = 0; int i = 0, j = 0, k = 0, bank; struct pinctrl_pin_desc *pdesc; - struct device_node *np = pdev->dev.of_node; + struct device_node *np = dev->of_node; struct device_node *child; int grp_index = 0; int irq = 0; @@ -1588,30 +1587,26 @@ static int st_pctl_probe_dt(struct platform_device *pdev, st_pctl_dt_child_count(info, np); if (!info->nbanks) { - dev_err(&pdev->dev, "you need at least one gpio bank\n"); + dev_err(dev, "you need at least one gpio bank\n"); return -EINVAL; } - dev_info(&pdev->dev, "nbanks = %d\n", info->nbanks); - dev_info(&pdev->dev, "nfunctions = %d\n", info->nfunctions); - dev_info(&pdev->dev, "ngroups = %d\n", info->ngroups); + dev_info(dev, "nbanks = %d\n", info->nbanks); + dev_info(dev, "nfunctions = %d\n", info->nfunctions); + dev_info(dev, "ngroups = %d\n", info->ngroups); - info->functions = devm_kcalloc(&pdev->dev, - info->nfunctions, sizeof(*info->functions), GFP_KERNEL); + info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions), GFP_KERNEL); - info->groups = devm_kcalloc(&pdev->dev, - info->ngroups, sizeof(*info->groups), - GFP_KERNEL); + info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups), GFP_KERNEL); - info->banks = devm_kcalloc(&pdev->dev, - info->nbanks, sizeof(*info->banks), GFP_KERNEL); + info->banks = devm_kcalloc(dev, info->nbanks, sizeof(*info->banks), GFP_KERNEL); if (!info->functions || !info->groups || !info->banks) return -ENOMEM; info->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg"); if (IS_ERR(info->regmap)) { - dev_err(info->dev, "No syscfg phandle specified\n"); + dev_err(dev, "No syscfg phandle specified\n"); return PTR_ERR(info->regmap); } info->data = of_match_node(st_pctl_of_match, np)->data; @@ -1621,7 +1616,7 @@ static int st_pctl_probe_dt(struct platform_device *pdev, if (irq > 0) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "irqmux"); - info->irqmux_base = devm_ioremap_resource(&pdev->dev, res); + info->irqmux_base = devm_ioremap_resource(dev, res); if (IS_ERR(info->irqmux_base)) return PTR_ERR(info->irqmux_base); @@ -1632,8 +1627,7 @@ static int st_pctl_probe_dt(struct platform_device *pdev, } pctl_desc->npins = info->nbanks * ST_GPIO_PINS_PER_BANK; - pdesc = devm_kcalloc(&pdev->dev, - pctl_desc->npins, sizeof(*pdesc), GFP_KERNEL); + pdesc = devm_kcalloc(dev, pctl_desc->npins, sizeof(*pdesc), GFP_KERNEL); if (!pdesc) return -ENOMEM; @@ -1663,7 +1657,7 @@ static int st_pctl_probe_dt(struct platform_device *pdev, ret = st_pctl_parse_functions(child, info, i++, &grp_index); if (ret) { - dev_err(&pdev->dev, "No functions found.\n"); + dev_err(dev, "No functions found.\n"); of_node_put(child); return ret; } @@ -1675,24 +1669,25 @@ static int st_pctl_probe_dt(struct platform_device *pdev, static int st_pctl_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct st_pinctrl *info; struct pinctrl_desc *pctl_desc; int ret, i; - if (!pdev->dev.of_node) { - dev_err(&pdev->dev, "device node not found.\n"); + if (!dev->of_node) { + dev_err(dev, "device node not found.\n"); return -EINVAL; } - pctl_desc = devm_kzalloc(&pdev->dev, sizeof(*pctl_desc), GFP_KERNEL); + pctl_desc = devm_kzalloc(dev, sizeof(*pctl_desc), GFP_KERNEL); if (!pctl_desc) return -ENOMEM; - info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); + info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - info->dev = &pdev->dev; + info->dev = dev; platform_set_drvdata(pdev, info); ret = st_pctl_probe_dt(pdev, pctl_desc, info); if (ret) @@ -1702,11 +1697,11 @@ static int st_pctl_probe(struct platform_device *pdev) pctl_desc->pctlops = &st_pctlops; pctl_desc->pmxops = &st_pmxops; pctl_desc->confops = &st_confops; - pctl_desc->name = dev_name(&pdev->dev); + pctl_desc->name = dev_name(dev); - info->pctl = devm_pinctrl_register(&pdev->dev, pctl_desc, info); + info->pctl = devm_pinctrl_register(dev, pctl_desc, info); if (IS_ERR(info->pctl)) { - dev_err(&pdev->dev, "Failed pinctrl registration\n"); + dev_err(dev, "Failed pinctrl registration\n"); return PTR_ERR(info->pctl); } From patchwork Fri Nov 5 12:42:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517230 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8E61C43217 for ; Fri, 5 Nov 2021 12:43:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3AFF61212 for ; Fri, 5 Nov 2021 12:43:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233027AbhKEMqJ (ORCPT ); Fri, 5 Nov 2021 08:46:09 -0400 Received: from mga04.intel.com ([192.55.52.120]:61253 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232727AbhKEMpw (ORCPT ); Fri, 5 Nov 2021 08:45:52 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="230614570" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="230614570" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="730520456" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 05 Nov 2021 05:43:09 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id DDDE5ABE; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 17/19] pinctrl: st: Switch to use devm_kasprintf_strarray() Date: Fri, 5 Nov 2021 14:42:40 +0200 Message-Id: <20211105124242.27288-17-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Since we have a generic helper, switch the module to use it. As a side effect, add check for the memory allocation failures and cleanup it either in error case or when driver is unloading. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-st.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 9cb0da88b098..0fea71fd9a00 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1624,6 +1624,8 @@ static int st_pctl_probe_dt(struct platform_device *pdev, for_each_child_of_node(np, child) { if (of_property_read_bool(child, "gpio-controller")) { const char *bank_name = NULL; + char **pin_names; + ret = st_gpiolib_register_bank(info, bank, child); if (ret) { of_node_put(child); @@ -1632,10 +1634,16 @@ static int st_pctl_probe_dt(struct platform_device *pdev, k = info->banks[bank].range.pin_base; bank_name = info->banks[bank].range.name; + + pin_names = devm_kasprintf_strarray(dev, bank_name, ST_GPIO_PINS_PER_BANK); + if (IS_ERR(pin_names)) { + of_node_put(child); + return PTR_ERR(pin_names); + } + for (j = 0; j < ST_GPIO_PINS_PER_BANK; j++, k++) { pdesc->number = k; - pdesc->name = kasprintf(GFP_KERNEL, "%s[%d]", - bank_name, j); + pdesc->name = pin_names[j]; pdesc++; } st_parse_syscfgs(info, bank, child); From patchwork Fri Nov 5 12:42:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 517229 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F85FC433EF for ; Fri, 5 Nov 2021 12:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B896611EF for ; Fri, 5 Nov 2021 12:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233181AbhKEMqL (ORCPT ); Fri, 5 Nov 2021 08:46:11 -0400 Received: from mga17.intel.com ([192.55.52.151]:39696 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232997AbhKEMpx (ORCPT ); Fri, 5 Nov 2021 08:45:53 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="212634182" X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="212634182" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 05:43:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,211,1631602800"; d="scan'208";a="490310853" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga007.jf.intel.com with ESMTP; 05 Nov 2021 05:43:10 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id E7B6EB02; Fri, 5 Nov 2021 14:43:01 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , Jianqun Xu , Linus Walleij , Sai Krishna Potthuri , Andrew Morton , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Bamvor Jian Zhang , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Heiko Stuebner , Patrice Chotard , Michal Simek , Andy Shevchenko Subject: [PATCH v1 18/19] pinctrl: zynqmp: Unify pin naming Date: Fri, 5 Nov 2021 14:42:41 +0200 Message-Id: <20211105124242.27288-18-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> References: <20211105124242.27288-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Since we have devm_kasprintf_strarray() helper, which is used in the rest of pin control drivers, it makes sense to switch this driver to it. The pin names are not part of any ABI and hence there will be no regression based on that. Otherwise all generated pin names will follow the same schema in the pin control subsystem. Signed-off-by: Andy Shevchenko --- drivers/pinctrl/pinctrl-zynqmp.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index e14012209992..6cc307595783 100644 --- a/drivers/pinctrl/pinctrl-zynqmp.c +++ b/drivers/pinctrl/pinctrl-zynqmp.c @@ -809,6 +809,7 @@ static int zynqmp_pinctrl_prepare_pin_desc(struct device *dev, unsigned int *npins) { struct pinctrl_pin_desc *pins, *pin; + char **pin_names; int ret; int i; @@ -820,13 +821,14 @@ static int zynqmp_pinctrl_prepare_pin_desc(struct device *dev, if (!pins) return -ENOMEM; + pin_names = devm_kasprintf_strarray(dev, ZYNQMP_PIN_PREFIX, *npins); + if (IS_ERR(pin->name)) + return PTR_ERR(pin_names); + for (i = 0; i < *npins; i++) { pin = &pins[i]; pin->number = i; - pin->name = devm_kasprintf(dev, GFP_KERNEL, "%s%d", - ZYNQMP_PIN_PREFIX, i); - if (!pin->name) - return -ENOMEM; + pin->name = pin_names[i]; } *zynqmp_pins = pins;