From patchwork Tue Oct 4 09:21:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 612808 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 704C9C43217 for ; Tue, 4 Oct 2022 09:22:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231160AbiJDJWu (ORCPT ); Tue, 4 Oct 2022 05:22:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229761AbiJDJWL (ORCPT ); Tue, 4 Oct 2022 05:22:11 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D9D5192B0; Tue, 4 Oct 2022 02:21:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664875280; x=1696411280; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=lu5K2V7nFBFYObZ1dwJ6OVK1LUkbq3YmYSLm5miq5Ug=; b=I2rlIn0hAEGBwlw1DhKf+eoMfKG7jHCTCC5vil7z3bYRc2s2/LW3GwQ0 wlr8K3C1KtkE+RpzU23EWJ7eSAkSDtjLYnYXhq68MmvzrIgQxL+/CxkY/ yoB95ZtIv0JKKsilylnxj4J+gSqqPnHiai4SzdJzbNscxIu308MBgXLAJ TeNIJ7UKrfYEkfc0uxla+3gyrZENDprWNpiNdZpFOzLeljh3eUNx0R1Ex 1T39EIJ5r0SCuom+O82XvGrqMIQdz+Aowqb6/1h7GFCfuO0fk7Wn8syja 5hXAtODsiBvFTERiucXX9dW5KQQPRl43oTS8nmP6hj3hdr5Bqhgno6RsQ g==; X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="303824988" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="303824988" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2022 02:21:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="623865973" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="623865973" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 04 Oct 2022 02:21:12 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 8338F45; Tue, 4 Oct 2022 12:21:31 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v3 1/5] device property: Allow const parameter to dev_fwnode() Date: Tue, 4 Oct 2022 12:21:25 +0300 Message-Id: <20221004092129.19412-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> References: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org It's not fully correct to take a const parameter pointer to a struct and return a non-const pointer to a member of that struct. Instead, introduce a const version of the dev_fwnode() API which takes and returns const pointers and use it where it's applicable. With this, convert dev_fwnode() to be a macro wrapper on top of const and non-const APIs that chooses one based on the type. Suggested-by: Sakari Ailus Fixes: aade55c86033 ("device property: Add const qualifier to device_get_match_data() parameter") Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- drivers/base/property.c | 11 +++++++++-- include/linux/property.h | 7 ++++++- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index 4d6278a84868..d77302d28566 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -17,12 +17,19 @@ #include #include -struct fwnode_handle *dev_fwnode(const struct device *dev) +struct fwnode_handle *__dev_fwnode(struct device *dev) { return IS_ENABLED(CONFIG_OF) && dev->of_node ? of_fwnode_handle(dev->of_node) : dev->fwnode; } -EXPORT_SYMBOL_GPL(dev_fwnode); +EXPORT_SYMBOL_GPL(__dev_fwnode); + +const struct fwnode_handle *__dev_fwnode_const(const struct device *dev) +{ + return IS_ENABLED(CONFIG_OF) && dev->of_node ? + of_fwnode_handle(dev->of_node) : dev->fwnode; +} +EXPORT_SYMBOL_GPL(__dev_fwnode_const); /** * device_property_present - check if a property of a device is present diff --git a/include/linux/property.h b/include/linux/property.h index 117cc200c656..587b5b666b5b 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -32,7 +32,12 @@ enum dev_dma_attr { DEV_DMA_COHERENT, }; -struct fwnode_handle *dev_fwnode(const struct device *dev); +const struct fwnode_handle *__dev_fwnode_const(const struct device *dev); +struct fwnode_handle *__dev_fwnode(struct device *dev); +#define dev_fwnode(dev) \ + _Generic((dev), \ + const struct device *: __dev_fwnode_const, \ + struct device *: __dev_fwnode)(dev) bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, From patchwork Tue Oct 4 09:21:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 612526 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F42FC43219 for ; Tue, 4 Oct 2022 09:22:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231149AbiJDJWt (ORCPT ); Tue, 4 Oct 2022 05:22:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230497AbiJDJWK (ORCPT ); Tue, 4 Oct 2022 05:22:10 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FA664D4E1; Tue, 4 Oct 2022 02:21:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664875277; x=1696411277; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pG2gl1Og7LZ39abQBQtAJEObltVt2vZiEmqulJUEwx0=; b=E1bSYM+YgriST5/FzYAHhFXO688CvDptWlXlPCScyJFb/4CFeOwk5GTz sOFRMrJks/FMtpGPgavji1xaVBuY89kEkUBZET81S2qlxhNEsjxprklru 0bdDF4zcVhPUJno7IpuHgmqyYe6d0EjGhNsBrP2sICMT7fO69oK/I9RSk OwKYN7fohaYM3E88fbevnllmNmTg9lYcUcR1IL4c3RlWQ5d89HBWaBuUI 7k+tEFqiDT1g3LrRZ+VHlCavKZ/lftuAxRw2toI2DLa5JHIHB8Flr1FjU 8E2dhJmwSAOl0iZkU6zPFmKhx3lxP+hyJty8NGtzvQbZrJ7iBEh0rPy56 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="301585206" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="301585206" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2022 02:21:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="799050983" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="799050983" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 04 Oct 2022 02:21:12 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 990DE118; Tue, 4 Oct 2022 12:21:31 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v3 2/5] device property: Constify fwnode connection match APIs Date: Tue, 4 Oct 2022 12:21:26 +0300 Message-Id: <20221004092129.19412-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> References: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The fwnode and device parameters are not altered in the fwnode connection match APIs, constify them. Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- drivers/base/property.c | 8 ++++---- drivers/usb/roles/class.c | 2 +- drivers/usb/typec/mux.c | 8 ++++---- drivers/usb/typec/retimer.c | 2 +- include/linux/property.h | 8 ++++---- 5 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index d77302d28566..58b8158add5c 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1213,7 +1213,7 @@ const void *device_get_match_data(const struct device *dev) } EXPORT_SYMBOL_GPL(device_get_match_data); -static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode, +static unsigned int fwnode_graph_devcon_matches(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match, void **matches, @@ -1247,7 +1247,7 @@ static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode, return count; } -static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode, +static unsigned int fwnode_devcon_matches(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match, void **matches, @@ -1289,7 +1289,7 @@ static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode, * device node. @match will be used to convert the connection description to * data the caller is expecting to be returned. */ -void *fwnode_connection_find_match(struct fwnode_handle *fwnode, +void *fwnode_connection_find_match(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match) { @@ -1326,7 +1326,7 @@ EXPORT_SYMBOL_GPL(fwnode_connection_find_match); * * Return: Number of matches resolved, or negative errno. */ -int fwnode_connection_find_matches(struct fwnode_handle *fwnode, +int fwnode_connection_find_matches(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match, void **matches, unsigned int matches_len) diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c index dfaed7eee94f..a3575a5a18ce 100644 --- a/drivers/usb/roles/class.c +++ b/drivers/usb/roles/class.c @@ -87,7 +87,7 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw) } EXPORT_SYMBOL_GPL(usb_role_switch_get_role); -static void *usb_role_switch_match(struct fwnode_handle *fwnode, const char *id, +static void *usb_role_switch_match(const struct fwnode_handle *fwnode, const char *id, void *data) { struct device *dev; diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index 464330776cd6..f81ea26ab389 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -32,8 +32,8 @@ static int switch_fwnode_match(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } -static void *typec_switch_match(struct fwnode_handle *fwnode, const char *id, - void *data) +static void *typec_switch_match(const struct fwnode_handle *fwnode, + const char *id, void *data) { struct device *dev; @@ -262,8 +262,8 @@ static int mux_fwnode_match(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } -static void *typec_mux_match(struct fwnode_handle *fwnode, const char *id, - void *data) +static void *typec_mux_match(const struct fwnode_handle *fwnode, + const char *id, void *data) { const struct typec_altmode_desc *desc = data; struct device *dev; diff --git a/drivers/usb/typec/retimer.c b/drivers/usb/typec/retimer.c index 2003731f1bee..8edfdc709a28 100644 --- a/drivers/usb/typec/retimer.c +++ b/drivers/usb/typec/retimer.c @@ -34,7 +34,7 @@ static int retimer_fwnode_match(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode && dev_name_ends_with(dev, "-retimer"); } -static void *typec_retimer_match(struct fwnode_handle *fwnode, const char *id, void *data) +static void *typec_retimer_match(const struct fwnode_handle *fwnode, const char *id, void *data) { struct device *dev; diff --git a/include/linux/property.h b/include/linux/property.h index 587b5b666b5b..8d82775a901a 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -442,21 +442,21 @@ unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode, int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); -typedef void *(*devcon_match_fn_t)(struct fwnode_handle *fwnode, const char *id, +typedef void *(*devcon_match_fn_t)(const struct fwnode_handle *fwnode, const char *id, void *data); -void *fwnode_connection_find_match(struct fwnode_handle *fwnode, +void *fwnode_connection_find_match(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match); -static inline void *device_connection_find_match(struct device *dev, +static inline void *device_connection_find_match(const struct device *dev, const char *con_id, void *data, devcon_match_fn_t match) { return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match); } -int fwnode_connection_find_matches(struct fwnode_handle *fwnode, +int fwnode_connection_find_matches(const struct fwnode_handle *fwnode, const char *con_id, void *data, devcon_match_fn_t match, void **matches, unsigned int matches_len); From patchwork Tue Oct 4 09:21:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 612524 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D5EE2C433F5 for ; Tue, 4 Oct 2022 09:23:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229913AbiJDJW7 (ORCPT ); Tue, 4 Oct 2022 05:22:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230268AbiJDJWL (ORCPT ); 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04 Oct 2022 02:21:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="799050982" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="799050982" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 04 Oct 2022 02:21:12 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id A455C235; Tue, 4 Oct 2022 12:21:31 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v3 3/5] device property: Constify parameter in fwnode_graph_is_endpoint() Date: Tue, 4 Oct 2022 12:21:27 +0300 Message-Id: <20221004092129.19412-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> References: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Constify parameter in fwnode_graph_is_endpoint() since it doesn't alter anything related to it. Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- include/linux/property.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/property.h b/include/linux/property.h index 8d82775a901a..7abb1792044f 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -410,7 +410,7 @@ struct fwnode_handle *fwnode_graph_get_remote_port( struct fwnode_handle *fwnode_graph_get_remote_endpoint( const struct fwnode_handle *fwnode); -static inline bool fwnode_graph_is_endpoint(struct fwnode_handle *fwnode) +static inline bool fwnode_graph_is_endpoint(const struct fwnode_handle *fwnode) { return fwnode_property_present(fwnode, "remote-endpoint"); } From patchwork Tue Oct 4 09:21:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 612807 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2DB7C43219 for ; Tue, 4 Oct 2022 09:22:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231183AbiJDJW5 (ORCPT ); Tue, 4 Oct 2022 05:22:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230339AbiJDJWM (ORCPT ); Tue, 4 Oct 2022 05:22:12 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C56B963BF; Tue, 4 Oct 2022 02:21:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664875285; x=1696411285; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=G+cTEb7aOvdjj7yKk7zhbA1vqLcKqe3UPdbwPDBL00w=; b=c4pj46HvPtZ+l10bc8N5tX5HNAkcAiIJPynAaCgN0f7bL2wf8/zRdc20 SvOED0e1Mk/d4f0x7b2RazGi7s1SC+CWjJn2Reqz73tecLrvWxtUxieXD XR/ixQMgM9Hu8rVFULWLd3DaaXtCzztv4E1AXCmJcNbeaHRyh5gdRJZNo y+w641OJ8mg974I4kFE5MLeujLWhI+VIpiTa6RdVKgZPz2Zrcb6gcEMUL LEf1enD/B88ngrhN35XxnR4d2AwV93/k1J/+Xs2f5cYXonnMo7fVJCS4m 0kIY38y2sP5oKmgp45qwik4XgT+Qf4qcIAgRStIFYPO59XzVpjn+SBU2v Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="301585211" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="301585211" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2022 02:21:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10489"; a="799050984" X-IronPort-AV: E=Sophos;i="5.93,367,1654585200"; d="scan'208";a="799050984" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 04 Oct 2022 02:21:12 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id AFB7A265; Tue, 4 Oct 2022 12:21:31 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v3 4/5] device property: Constify device child node APIs Date: Tue, 4 Oct 2022 12:21:28 +0300 Message-Id: <20221004092129.19412-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> References: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The device parameter is not altered in the device child node APIs, constify them. Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- drivers/base/property.c | 6 +++--- include/linux/property.h | 12 ++++++------ 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index 58b8158add5c..d3ea5f82978f 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -763,7 +763,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_next_available_child_node); * @dev: Device to find the next child node for. * @child: Handle to one of the device's child nodes or a null handle. */ -struct fwnode_handle *device_get_next_child_node(struct device *dev, +struct fwnode_handle *device_get_next_child_node(const struct device *dev, struct fwnode_handle *child) { const struct fwnode_handle *fwnode = dev_fwnode(dev); @@ -800,7 +800,7 @@ EXPORT_SYMBOL_GPL(fwnode_get_named_child_node); * @dev: Device to find the named child node for. * @childname: String to match child node name against. */ -struct fwnode_handle *device_get_named_child_node(struct device *dev, +struct fwnode_handle *device_get_named_child_node(const struct device *dev, const char *childname) { return fwnode_get_named_child_node(dev_fwnode(dev), childname); @@ -859,7 +859,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available); * device_get_child_node_count - return the number of child nodes for device * @dev: Device to cound the child nodes for */ -unsigned int device_get_child_node_count(struct device *dev) +unsigned int device_get_child_node_count(const struct device *dev) { struct fwnode_handle *child; unsigned int count = 0; diff --git a/include/linux/property.h b/include/linux/property.h index 7abb1792044f..472689e53ade 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -114,16 +114,16 @@ struct fwnode_handle *fwnode_get_next_available_child_node( for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\ child = fwnode_get_next_available_child_node(fwnode, child)) -struct fwnode_handle *device_get_next_child_node( - struct device *dev, struct fwnode_handle *child); +struct fwnode_handle *device_get_next_child_node(const struct device *dev, + struct fwnode_handle *child); #define device_for_each_child_node(dev, child) \ for (child = device_get_next_child_node(dev, NULL); child; \ child = device_get_next_child_node(dev, child)) -struct fwnode_handle *fwnode_get_named_child_node( - const struct fwnode_handle *fwnode, const char *childname); -struct fwnode_handle *device_get_named_child_node(struct device *dev, +struct fwnode_handle *fwnode_get_named_child_node(const struct fwnode_handle *fwnode, + const char *childname); +struct fwnode_handle *device_get_named_child_node(const struct device *dev, const char *childname); struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); @@ -132,7 +132,7 @@ void fwnode_handle_put(struct fwnode_handle *fwnode); int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name); -unsigned int device_get_child_node_count(struct device *dev); +unsigned int device_get_child_node_count(const struct device *dev); static inline bool device_property_read_bool(struct device *dev, const char *propname) From patchwork Tue Oct 4 09:21:29 2022 Content-Type: text/plain; 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04 Oct 2022 02:21:16 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id B5AF0101; Tue, 4 Oct 2022 12:21:31 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Bjorn Andersson , Prashant Malani , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Daniel Scally , "Rafael J. Wysocki" Subject: [PATCH v3 5/5] device property: Constify parameter in device_dma_supported() and device_get_dma_attr() Date: Tue, 4 Oct 2022 12:21:29 +0300 Message-Id: <20221004092129.19412-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> References: <20221004092129.19412-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Constify parameter in device_dma_supported() and device_get_dma_attr() since they don't alter anything related to it. Signed-off-by: Andy Shevchenko Acked-by: Heikki Krogerus Reviewed-by: Sakari Ailus --- drivers/base/property.c | 4 ++-- include/linux/property.h | 5 ++--- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/base/property.c b/drivers/base/property.c index d3ea5f82978f..68f61d3e3857 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -871,13 +871,13 @@ unsigned int device_get_child_node_count(const struct device *dev) } EXPORT_SYMBOL_GPL(device_get_child_node_count); -bool device_dma_supported(struct device *dev) +bool device_dma_supported(const struct device *dev) { return fwnode_call_bool_op(dev_fwnode(dev), device_dma_supported); } EXPORT_SYMBOL_GPL(device_dma_supported); -enum dev_dma_attr device_get_dma_attr(struct device *dev) +enum dev_dma_attr device_get_dma_attr(const struct device *dev) { if (!fwnode_has_op(dev_fwnode(dev), device_get_dma_attr)) return DEV_DMA_NOT_SUPPORTED; diff --git a/include/linux/property.h b/include/linux/property.h index 472689e53ade..83674f968a8f 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -388,9 +388,8 @@ property_entries_dup(const struct property_entry *properties); void property_entries_free(const struct property_entry *properties); -bool device_dma_supported(struct device *dev); - -enum dev_dma_attr device_get_dma_attr(struct device *dev); +bool device_dma_supported(const struct device *dev); +enum dev_dma_attr device_get_dma_attr(const struct device *dev); const void *device_get_match_data(const struct device *dev);