From patchwork Mon Nov 20 14:41:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 747001 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ce5ZtRMy" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD2A9D79; Mon, 20 Nov 2023 06:47:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700491620; x=1732027620; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UX0z46Bl1SWmYK4CEEW7ztVya3qhw3HeENPzwwS/4SQ=; b=ce5ZtRMy0xL5eyTFBPyhkBctDmjTnMmzRDHid4W68oH+zNvkr9wYCDFh 9snBePGcao5Vg0xofpSKj8HE/eu0A8U0PFXjoRXxnpDg+ZDhwJn1mZ7YG pS0f+qu93kDwvYWhszDgL1orZfInBF0N3GVtWiTYqk5OoOzhHBfpdsCP1 n6AnZbcAFv9MZniGQi0vaQHXPPeq/UrqHxUXhhhUPZrvygiMbNL9kzyc2 /pktXjR92cnjGTSYiuBaM998shcWioMQkpjPxwNBTNDmSEuL0sxejPNQb netx4JBdrbsco5eKEinWbeGTg5VMKQBqa/mQrDShVY6b2Jy0TbV0HgwWF A==; X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="455956521" X-IronPort-AV: E=Sophos;i="6.04,214,1695711600"; d="scan'208";a="455956521" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2023 06:46:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="801193211" X-IronPort-AV: E=Sophos;i="6.04,214,1695711600"; d="scan'208";a="801193211" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 20 Nov 2023 06:46:53 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id EB4C666B; Mon, 20 Nov 2023 16:46:44 +0200 (EET) From: Andy Shevchenko To: Mario Limonciello , Jarkko Nikula , Herbert Xu , Andy Shevchenko , Wolfram Sang , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mika Westerberg , Jan Dabros , Andi Shyti , Philipp Zabel Subject: [PATCH v4 17/24] i2c: designware: Remove ->disable() callback Date: Mon, 20 Nov 2023 16:41:59 +0200 Message-ID: <20231120144641.1660574-18-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20231120144641.1660574-1-andriy.shevchenko@linux.intel.com> References: <20231120144641.1660574-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Commit 90312351fd1e ("i2c: designware: MASTER mode as separated driver") introduced ->disable() callback but there is no real use for it. Both i2c-designware-master.c and i2c-designware-slave.c set it to the same i2c_dw_disable() and scope is inside the same kernel module. That said, replace the callback by explicitly calling the i2c_dw_disable(). Signed-off-by: Andy Shevchenko --- drivers/i2c/busses/i2c-designware-common.c | 1 + drivers/i2c/busses/i2c-designware-core.h | 2 -- drivers/i2c/busses/i2c-designware-master.c | 1 - drivers/i2c/busses/i2c-designware-pcidrv.c | 5 +++-- drivers/i2c/busses/i2c-designware-platdrv.c | 4 ++-- drivers/i2c/busses/i2c-designware-slave.c | 3 +-- 6 files changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c index 89b8fa492e26..5b1a597cb5dd 100644 --- a/drivers/i2c/busses/i2c-designware-common.c +++ b/drivers/i2c/busses/i2c-designware-common.c @@ -711,6 +711,7 @@ void i2c_dw_disable(struct dw_i2c_dev *dev) i2c_dw_release_lock(dev); } +EXPORT_SYMBOL_GPL(i2c_dw_disable); MODULE_DESCRIPTION("Synopsys DesignWare I2C bus adapter core"); MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 22477143bb98..52667d670363 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -238,7 +238,6 @@ struct i2c_dw_semaphore_callbacks; * @semaphore_idx: Index of table with semaphore type attached to the bus. It's * -1 if there is no semaphore. * @shared_with_punit: true if this bus is shared with the SoCs PUNIT - * @disable: function to disable the controller * @init: function to initialize the I2C hardware * @set_sda_hold_time: callback to retrieve IP specific SDA hold timing * @mode: operation mode - DW_IC_MASTER or DW_IC_SLAVE @@ -295,7 +294,6 @@ struct dw_i2c_dev { void (*release_lock)(void); const struct i2c_dw_semaphore_callbacks *semaphore_cb; bool shared_with_punit; - void (*disable)(struct dw_i2c_dev *dev); int (*init)(struct dw_i2c_dev *dev); int (*set_sda_hold_time)(struct dw_i2c_dev *dev); int mode; diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c index 0b6576d7f811..bd3c8db521de 100644 --- a/drivers/i2c/busses/i2c-designware-master.c +++ b/drivers/i2c/busses/i2c-designware-master.c @@ -990,7 +990,6 @@ int i2c_dw_probe_master(struct dw_i2c_dev *dev) init_completion(&dev->cmd_complete); dev->init = i2c_dw_init_master; - dev->disable = i2c_dw_disable; ret = i2c_dw_init_regmap(dev); if (ret) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index a40acc3d9288..20571812d150 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -198,7 +198,7 @@ static int __maybe_unused i2c_dw_pci_runtime_suspend(struct device *dev) { struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); - i_dev->disable(i_dev); + i2c_dw_disable(i_dev); return 0; } @@ -339,7 +339,8 @@ static void i2c_dw_pci_remove(struct pci_dev *pdev) { struct dw_i2c_dev *dev = pci_get_drvdata(pdev); - dev->disable(dev); + i2c_dw_disable(dev); + pm_runtime_forbid(&pdev->dev); pm_runtime_get_noresume(&pdev->dev); diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 6b1a26afc278..9b249d27841d 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -343,7 +343,7 @@ static void dw_i2c_plat_remove(struct platform_device *pdev) i2c_del_adapter(&dev->adapter); - dev->disable(dev); + i2c_dw_disable(dev); pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_sync(&pdev->dev); @@ -367,7 +367,7 @@ static int dw_i2c_plat_runtime_suspend(struct device *dev) if (i_dev->shared_with_punit) return 0; - i_dev->disable(i_dev); + i2c_dw_disable(i_dev); i2c_dw_prepare_clk(i_dev, false); return 0; diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c index 70d183fa3bff..5abd5ec41954 100644 --- a/drivers/i2c/busses/i2c-designware-slave.c +++ b/drivers/i2c/busses/i2c-designware-slave.c @@ -90,7 +90,7 @@ static int i2c_dw_unreg_slave(struct i2c_client *slave) struct dw_i2c_dev *dev = i2c_get_adapdata(slave->adapter); regmap_write(dev->map, DW_IC_INTR_MASK, 0); - dev->disable(dev); + i2c_dw_disable(dev); synchronize_irq(dev->irq); dev->slave = NULL; pm_runtime_put(dev->dev); @@ -237,7 +237,6 @@ int i2c_dw_probe_slave(struct dw_i2c_dev *dev) int ret; dev->init = i2c_dw_init_slave; - dev->disable = i2c_dw_disable; ret = i2c_dw_init_regmap(dev); if (ret)