From patchwork Sun Apr 14 16:35:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629074 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9884A134CC6; Sun, 14 Apr 2024 16:36:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713112589; cv=none; b=KDVRG3EDZHyXLJzkxK2Z2PM6enIpVVqgYuyuuNVGEqK0jZMBFv3xu1D8hy7O+/55HMGPZNoFfvJPXkgluZAGjA/a7zN53KR/ghjt0t4WOC3qqQHEcyNyIECP18eLtHdFk3u5pYitcE2wgavGa86fJevq6rV+uD7qxuSNW5BO9gk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713112589; c=relaxed/simple; bh=z5qAb/aZb4HJjU1nY0q3WFWS8153iumjRfnCENwhTpU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OAuZzTUOnQiPMd5Aqx08nUVOVEU6UEPvvTjtDPf9aRhQG+q/Q2TWLdRbUfrE7juMyr1RLCQfoExcy+VZM5KXmrEY/EQqg7HoXOL0F607e9rNIQPVESSD4eNdibCvINYBkEZ5/uDoq1TzxPqLh0bEO3hssgjWWxjX0917n7brK6E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kKfVuIO1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kKfVuIO1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5E44C2BD10; Sun, 14 Apr 2024 16:36:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112589; bh=z5qAb/aZb4HJjU1nY0q3WFWS8153iumjRfnCENwhTpU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kKfVuIO1xTF9DBQQsqJ+6JFm4fxOw4LuXEUKEKd6tnfwwpnuRomxK+B9pljOtcD4v YouAYjf7moCi0CFFtrhb3alKwZwkbtZuG7Wx6wqy0TPxIgJmH/nWApc+HNtUr/L7Dm DGfuIEFxJy6TZHNc3KQ7WSgt7dC45P3ICGVdbeyeUhtSZhchR1cTxPHD/iZaRN4TqG 2UBEyPTWQJzYMAIZ5Gx+ZsPeIo4WdMs6AdoAGA/OjqUWUSnpH++t24Q8QjqL2jy2eI ftR1iiKx0JKuZMxHz9rIFaHdHCwq1CklG3WwNnCn3sacQ/3MtLyVf4GvyWcNg1KbjT qvx4Kayf1OkOQ== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:35:59 +0200 Subject: [PATCH 01/18] backlight: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-1-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2432; i=krzk@kernel.org; h=from:subject:message-id; bh=z5qAb/aZb4HJjU1nY0q3WFWS8153iumjRfnCENwhTpU=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmHAXz9nDuruVnQoZBQ+0fvh2Ilb98JS2983g+e dDhNnweDlKJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZhwF8wAKCRDBN2bmhouD 1zUHD/9QO+vhmEA35mCEGjhMycJkhHR2vbsqoQiS9B393cyyor52W46seZkdDRv18gL3cbFaDq2 GCW5CEXQE9OJa0LEsHI7ykKwU3SqAfxAxKCN0YhqB5slN79oYKV6KRlmhG8nWYjYcXFV1oPHiI9 BJhILiYxFy6vem5nw57qJrey+rFLPDTFHkHEQkOzxwzd1unlOXoRcfoytgRIKAWu9rVk41JsCtJ 7KxGDdzDvu58gU1auOAVNqsi8YWioXvHM19X6iz6H01pcLhyLh2WGqX+yj57jExX6ZD++m5WiTM 2hekdsNXZFjUdKYwuCRBzFtXUNE9KTFrwBThUGXnqzOm5FGTRRGWm6FwdE11Me9AKw8BMP2/o8h YFIYnVZfsXpKKRBKHJQcxnNNMitFUTMCTPOo09tw7DR2AyD2Fe4uOeXwydRKcy7gq2F+elUUk9g OJzlWh6xG3J3JudxnCnlhoUm1KJuaC2EtnDvNAwrexCvb6vM30L57uJJ+FkG7VVQqh6ateR6Imb +ZDLnIWcXbCvG2yzKPCJaxult4EwJcoaGxtqter5TE2qQwH9fzTnL2ZvT2Ys7S5WpH2jxzyzGi9 mJhk+x5ZEBYBSTkV8K+fcR892HowQF0f4HBC+KM9bRlaDZaymgrH6pVnmKj5BDTzXV+tvOY4wYD 7R7nFE7ZkRksu7g== X-Developer-Key: i=krzk@kernel.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' passed in lcd_device_register() is not modified by core backlight code, so it can be made const for code safety. This allows drivers to also define the structure as const. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/lcd.c | 4 ++-- include/linux/lcd.h | 6 +++--- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index ba4771cbd781..ceec90ca758b 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -191,7 +191,7 @@ static const struct class lcd_class = { * or a pointer to the newly allocated device. */ struct lcd_device *lcd_device_register(const char *name, struct device *parent, - void *devdata, struct lcd_ops *ops) + void *devdata, const struct lcd_ops *ops) { struct lcd_device *new_ld; int rc; @@ -279,7 +279,7 @@ static int devm_lcd_device_match(struct device *dev, void *res, void *data) */ struct lcd_device *devm_lcd_device_register(struct device *dev, const char *name, struct device *parent, - void *devdata, struct lcd_ops *ops) + void *devdata, const struct lcd_ops *ops) { struct lcd_device **ptr, *lcd; diff --git a/include/linux/lcd.h b/include/linux/lcd.h index 238fb1dfed98..68703a51dc53 100644 --- a/include/linux/lcd.h +++ b/include/linux/lcd.h @@ -61,7 +61,7 @@ struct lcd_device { points to something in the body of that driver, it is also invalid. */ struct mutex ops_lock; /* If this is NULL, the backing module is unloaded */ - struct lcd_ops *ops; + const struct lcd_ops *ops; /* Serialise access to set_power method */ struct mutex update_lock; /* The framebuffer notifier block */ @@ -102,10 +102,10 @@ static inline void lcd_set_power(struct lcd_device *ld, int power) } extern struct lcd_device *lcd_device_register(const char *name, - struct device *parent, void *devdata, struct lcd_ops *ops); + struct device *parent, void *devdata, const struct lcd_ops *ops); extern struct lcd_device *devm_lcd_device_register(struct device *dev, const char *name, struct device *parent, - void *devdata, struct lcd_ops *ops); + void *devdata, const struct lcd_ops *ops); extern void lcd_device_unregister(struct lcd_device *ld); extern void devm_lcd_device_unregister(struct device *dev, struct lcd_device *ld); From patchwork Sun Apr 14 16:36:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629075 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7708D433AE; Sun, 14 Apr 2024 16:36:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713112595; cv=none; b=nv4GpBcRxOw9HKqX6hCPhuBQUuPrQsyypvwet5v1wDzFkV1sdMQdrgbxBY5Wa5yDrp/OArbgPwOrglT9eLvcT1eEUQmO0m8tt9GErkY10o37St16BAGrILa0MXDWTyafoS3dlbNPEKkbioPOy/d8l19YcWFjGH7FHCQ/0q8q06o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/ams369fg06.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c index 522dd81110b8..57ec205d2bd2 100644 --- a/drivers/video/backlight/ams369fg06.c +++ b/drivers/video/backlight/ams369fg06.c @@ -427,7 +427,7 @@ static int ams369fg06_set_brightness(struct backlight_device *bd) return ret; } -static struct lcd_ops ams369fg06_lcd_ops = { +static const struct lcd_ops ams369fg06_lcd_ops = { .get_power = ams369fg06_get_power, .set_power = ams369fg06_set_power, }; From patchwork Sun Apr 14 16:36:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629076 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B467113665A; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TbTGLCjj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7325C072AA; Sun, 14 Apr 2024 16:36:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112600; bh=gNtUfvCnP/vl7s5KxA50YOmfMZHPc2iETBnBx689Xlk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=TbTGLCjjbbtXtfADwb55S9EaehmpaoPrlTjFT+954V5u9bdJ/h6DS2YNuHE+L4HJy O26tuJJ7TpiWFegurP8jp2NoDibbPLNpXYcFTVNLOWIzO0CWBXIPgCc1QEr52oo3CL 3nrKPNTygVyi7kJI78oi62UgoOGda91Gj9JYBZ2pLZCFsA4M6XDfeNPr7s6JcYZdQl Cu+/aJkFNwJ8REl28ddt6v6bzg9UrA20Rs+N6DSkrtq8GSWBUa0zqLuS+XjMiev9hG Y/SMtxrfda5RDX7vSMICilsyB1x9SPrqTM/M4z75BJzWRJTTw8FehH7ngKxSItFonP pN1dSHYCR89Ow== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:36:01 +0200 Subject: [PATCH 03/18] backlight: corgi_lcd: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-3-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/corgi_lcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index dd765098ad98..aad1680c9075 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -380,7 +380,7 @@ static int corgi_lcd_get_power(struct lcd_device *ld) return lcd->power; } -static struct lcd_ops corgi_lcd_ops = { +static const struct lcd_ops corgi_lcd_ops = { .get_power = corgi_lcd_get_power, .set_power = corgi_lcd_set_power, .set_mode = corgi_lcd_set_mode, From patchwork Sun Apr 14 16:36:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629077 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FA0F135406; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/hx8357.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/hx8357.c b/drivers/video/backlight/hx8357.c index 339d9128fbde..cdd7b7686723 100644 --- a/drivers/video/backlight/hx8357.c +++ b/drivers/video/backlight/hx8357.c @@ -559,7 +559,7 @@ static int hx8357_get_power(struct lcd_device *lcdev) return lcd->state; } -static struct lcd_ops hx8357_ops = { +static const struct lcd_ops hx8357_ops = { .set_power = hx8357_set_power, .get_power = hx8357_get_power, }; From patchwork Sun Apr 14 16:36:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629078 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CEE3135A46; Sun, 14 Apr 2024 16:36:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713112610; cv=none; b=uF7RMWsdEKc+g7d4/CMziFYGsHZrQPULZcE86ay+///70hpkuoH8xAsR7GsWlMHQ/mfxyNQaKPvtr852gxXKyvy2Kzgjmf1LsZEXaflXgOb2OqRb15SOx+qqiZGBY5LNi/ePWD1OFN/rq3b/hPjYKhUppV6HpDRCySxn3j5wqEs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713112610; c=relaxed/simple; bh=hnKa56uMP1uBuqcYlrLCoROyDjHVEOMKzsZF5kAUvag=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IVCnhUzd2Z9wYjnbfivnzJeGO/ZO0yFqK87tdNEUH5ao7i0iorMHsQTRyeM4cbVpcJhuR76WTw8AVK6VFbUcc2NaR107b741H+BxEUTsOeS2rAj30fthNCjBrrhFDDBa2Ia+9oNjyhfDf9H6bJPMKo4vxKoRC4v30CmRQVW5mpc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EK5HXlNs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EK5HXlNs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 445A3C2BD10; Sun, 14 Apr 2024 16:36:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112610; bh=hnKa56uMP1uBuqcYlrLCoROyDjHVEOMKzsZF5kAUvag=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=EK5HXlNsWOmG45NXxmpqfEyacm9qOKTm+qh4cjvBjAjuwL56zzZB953sTj0xGM+mr wK1+i83da3/zSyqHOF36apUEV9dcctQ34H5lgvXYZ57u86M2CiTBZJcHXs++xAY1mK bVrMpvgp1i/QrcqycvCYDxxa84P+9+gghc4ncfC9E3bInYoJqXjJcbkMGWIxl2TOmH 4pwDaTtI5FmlbauYgmrL8wT7c8bX3ZfWcggNwC9XL+P7rh+0oeNCghaTWCz3GqcR4f DE22/rgK7p57sdJEdHG2kVBCEsyCUcGqTPgjcbKRrFUGfPeKpgOxXZ9V/K6aoWNchS ++g69M6gW+g/g== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:36:03 +0200 Subject: [PATCH 05/18] backlight: ili922x: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-5-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=749; i=krzk@kernel.org; h=from:subject:message-id; bh=hnKa56uMP1uBuqcYlrLCoROyDjHVEOMKzsZF5kAUvag=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBmHAX3qsL8Hzg65pI/n33WGw1cOHusS9qLWrvz2 9ysY0cPEgaJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZhwF9wAKCRDBN2bmhouD 153UD/46OO0GE9u+PnAEwY2y//MxFK/BvQjDKIdN5VeJAxZsJBdtVmM7ek4ABnR9x/8q76Xk2fc CEj8VRjGDVJlljjwgajs9mNYJf7ny7+/RR+HDlcdCJu8QsoFIPcci1SR6QOgDXd2Mjg2AVlEfMM 36fuYootU1898/VrCemeiu/BG1eNfk5OHCpQMDaXLSIdkYb576YfHrKcBsrKfDuJirG/gbuXO0P aucq6fITr+Cro/vn7Yluir5g0rE75cNzpZgzaefkADukmZTR/XqcrD57cIsOvjchneaxGmuzDxr pKgIr4j2KFBXovrz6aoII9pjENXjr1LJ5OAhAkWZw4aeNhme0euPqJbf9X6E0JjSpdSpl4e3+ku PMk12pFjqyC2fNwude2R47V/YqXx8l+a2Ie7QmUDWNZTP5kl5S8H8BNZsgb4MlHBW7cr7ccRDen DFCxXQDetnr1lF8vZDZc/oeRfcmBijltAlpPccnyMnyTeGNy+CJJ0fKn78dArOUai5QqUuAwKMF MmTi92oynvX5UTLwvBMb4GIuTkWGvTZpxS24k8N8V6+PB9Xl+ACz1ZuiXR9OHp8QGRDYfDQlrmU v9PIeNQTPxUUpYkJK6rPfHLk893dCLP06sDEx+ROtOzZpG05SML31DQBFAcJ8UI51ClNVr/d9yT p3dT5FwBG/kXSPQ== X-Developer-Key: i=krzk@kernel.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/ili922x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c index c8e0e655dc86..7683e209ad6b 100644 --- a/drivers/video/backlight/ili922x.c +++ b/drivers/video/backlight/ili922x.c @@ -472,7 +472,7 @@ static int ili922x_get_power(struct lcd_device *ld) return ili->power; } -static struct lcd_ops ili922x_ops = { +static const struct lcd_ops ili922x_ops = { .get_power = ili922x_get_power, .set_power = ili922x_set_power, }; From patchwork Sun Apr 14 16:36:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629079 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B617135A47; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="vJns8/57" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 815F0C32783; Sun, 14 Apr 2024 16:36:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112614; bh=FAuYOIrTLgKRaRcSRARSU7zwjltAT4O+9HdDJwuD8ag=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=vJns8/57ERxdLuquGGs0ZVc2oUuWC2VralonWNd8YTD/YSVwkzSxsOTfINZj89z1Z /Qscc/gpKeaqB5ZdK614E1pgQZk0p/hu5FQd82puJyxY9qiX0sM8Wfl6vzhnz7cO8t BVoYeHeMeFQwC9GtHROIOGGxhcEZj/KkCEXKPljOagTpfxYZghk+cGNYOI6+wNVVCq tGKkw3pI58jtcC+A6nbn/ksup4vqfnxbuam5Ye+UCIbMP/6+lm+Ux9wom7gr5WW4Vc prJuv/SNZ3B4gy+KahcEmdggcRzy+9U+e+507dmVkWDichrh2s1nMP+sRzv/bYYiO1 yrimmWk+jVJ4Q== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:36:04 +0200 Subject: [PATCH 06/18] backlight: ili9320: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-6-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/ili9320.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/ili9320.c b/drivers/video/backlight/ili9320.c index 2acd2708f8ca..3e318d1891b6 100644 --- a/drivers/video/backlight/ili9320.c +++ b/drivers/video/backlight/ili9320.c @@ -161,7 +161,7 @@ static int ili9320_get_power(struct lcd_device *ld) return lcd->power; } -static struct lcd_ops ili9320_ops = { +static const struct lcd_ops ili9320_ops = { .get_power = ili9320_get_power, .set_power = ili9320_set_power, }; From patchwork Sun Apr 14 16:36:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629080 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 17E2F134CEF; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/jornada720_lcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/jornada720_lcd.c b/drivers/video/backlight/jornada720_lcd.c index 6796a7c2db25..5c64fa61e810 100644 --- a/drivers/video/backlight/jornada720_lcd.c +++ b/drivers/video/backlight/jornada720_lcd.c @@ -81,7 +81,7 @@ static int jornada_lcd_set_power(struct lcd_device *ld, int power) return 0; } -static struct lcd_ops jornada_lcd_props = { +static const struct lcd_ops jornada_lcd_props = { .get_contrast = jornada_lcd_get_contrast, .set_contrast = jornada_lcd_set_contrast, .get_power = jornada_lcd_get_power, From patchwork Sun Apr 14 16:36:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629081 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EB8371353E1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/l4f00242t03.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c index bd5137ee203b..dd0874f8c7ff 100644 --- a/drivers/video/backlight/l4f00242t03.c +++ b/drivers/video/backlight/l4f00242t03.c @@ -158,7 +158,7 @@ static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) return 0; } -static struct lcd_ops l4f_ops = { +static const struct lcd_ops l4f_ops = { .set_power = l4f00242t03_lcd_power_set, .get_power = l4f00242t03_lcd_power_get, }; From patchwork Sun Apr 14 16:36:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629082 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B726135A73; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/lms283gf05.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c index 36856962ed83..a65490e83d3d 100644 --- a/drivers/video/backlight/lms283gf05.c +++ b/drivers/video/backlight/lms283gf05.c @@ -139,7 +139,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power) return 0; } -static struct lcd_ops lms_ops = { +static const struct lcd_ops lms_ops = { .set_power = lms283gf05_power_set, .get_power = NULL, }; From patchwork Sun Apr 14 16:36:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629083 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2BFEC135A73; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/lms501kf03.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c index 5c46df8022bf..8aebe0af3391 100644 --- a/drivers/video/backlight/lms501kf03.c +++ b/drivers/video/backlight/lms501kf03.c @@ -304,7 +304,7 @@ static int lms501kf03_set_power(struct lcd_device *ld, int power) return lms501kf03_power(lcd, power); } -static struct lcd_ops lms501kf03_lcd_ops = { +static const struct lcd_ops lms501kf03_lcd_ops = { .get_power = lms501kf03_get_power, .set_power = lms501kf03_set_power, }; From patchwork Sun Apr 14 16:36:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629084 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D643136659; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/ltv350qv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index d54f501e4285..cdc4c087f230 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -217,7 +217,7 @@ static int ltv350qv_get_power(struct lcd_device *ld) return lcd->power; } -static struct lcd_ops ltv_ops = { +static const struct lcd_ops ltv_ops = { .get_power = ltv350qv_get_power, .set_power = ltv350qv_set_power, }; From patchwork Sun Apr 14 16:36:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629085 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1CB413665C; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/otm3225a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/otm3225a.c b/drivers/video/backlight/otm3225a.c index 4568020abf3c..efe52fa08b07 100644 --- a/drivers/video/backlight/otm3225a.c +++ b/drivers/video/backlight/otm3225a.c @@ -205,7 +205,7 @@ static int otm3225a_get_power(struct lcd_device *ld) return dd->power; } -static struct lcd_ops otm3225a_ops = { +static const struct lcd_ops otm3225a_ops = { .set_power = otm3225a_set_power, .get_power = otm3225a_get_power, }; From patchwork Sun Apr 14 16:36:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629086 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6804013665C; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/platform_lcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c index dc37494baf42..76872f5c34c5 100644 --- a/drivers/video/backlight/platform_lcd.c +++ b/drivers/video/backlight/platform_lcd.c @@ -62,7 +62,7 @@ static int platform_lcd_match(struct lcd_device *lcd, struct fb_info *info) return plcd->us->parent == info->device; } -static struct lcd_ops platform_lcd_ops = { +static const struct lcd_ops platform_lcd_ops = { .get_power = platform_lcd_get_power, .set_power = platform_lcd_set_power, .check_fb = platform_lcd_match, From patchwork Sun Apr 14 16:36:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629087 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACA0F13665C; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/tdo24m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index fc6fbaf85594..c413b3c68e95 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -322,7 +322,7 @@ static int tdo24m_set_mode(struct lcd_device *ld, struct fb_videomode *m) return lcd->adj_mode(lcd, mode); } -static struct lcd_ops tdo24m_ops = { +static const struct lcd_ops tdo24m_ops = { .get_power = tdo24m_get_power, .set_power = tdo24m_set_power, .set_mode = tdo24m_set_mode, From patchwork Sun Apr 14 16:36:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629088 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54C90136985; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Bruno Prémont --- Depends on the first patch in the series. --- drivers/hid/hid-picolcd_lcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/hid-picolcd_lcd.c b/drivers/hid/hid-picolcd_lcd.c index 0c4b76de8ae5..061a33ba7b1d 100644 --- a/drivers/hid/hid-picolcd_lcd.c +++ b/drivers/hid/hid-picolcd_lcd.c @@ -46,7 +46,7 @@ static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb) return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); } -static struct lcd_ops picolcd_lcdops = { +static const struct lcd_ops picolcd_lcdops = { .get_contrast = picolcd_get_contrast, .set_contrast = picolcd_set_contrast, .check_fb = picolcd_check_lcd_fb, From patchwork Sun Apr 14 16:36:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629089 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EF34136995; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="r1jXpuZM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC323C072AA; Sun, 14 Apr 2024 16:37:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112666; bh=I/kH75ChwTKatovUO+cVD/yXMeGrtVUzne0bWF7Bero=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=r1jXpuZM094AG4sLOkIkdIPIfXrPsKTLcgdJoi8qm2StTaYtrKmCpdVsMJvkwlFoM o5dFORCCyU2rb5LiXYwmbg9jPOR85fYhc13iZiLX1ifEiH8qIyVWWuQ104KRHb5+tA T9X7AXJ6/heUNOaRwWJ76ShoY5sXfGhIMX1ihiLJwBw+mWKbRtGInLR3we6Xmmf/SZ QZDTebzTfbLlZT++j5EqvHXlb19dq5gbPSLs6evIV79EeAXgQPPGza2yraquEO83cJ QGuvGLKqoyvbBflAV+ob+MncvLq3IxCLpE5CcLGKjeIofur7VYiKkB3B5mepf5IlBR kW/CvRKep1H/Q== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:36:14 +0200 Subject: [PATCH 16/18] fbdev: clps711x: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-16-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski --- Depends on the first patch in the series. --- drivers/video/fbdev/clps711x-fb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c index dcfd1fbbc7e1..6171a98a48fd 100644 --- a/drivers/video/fbdev/clps711x-fb.c +++ b/drivers/video/fbdev/clps711x-fb.c @@ -197,7 +197,7 @@ static int clps711x_lcd_set_power(struct lcd_device *lcddev, int blank) return 0; } -static struct lcd_ops clps711x_lcd_ops = { +static const struct lcd_ops clps711x_lcd_ops = { .check_fb = clps711x_lcd_check_fb, .get_power = clps711x_lcd_get_power, .set_power = clps711x_lcd_set_power, From patchwork Sun Apr 14 16:36:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629090 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3E00135418; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski --- Depends on the first patch in the series. --- drivers/video/fbdev/imxfb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index a4dbc72f93c3..4ebfe9b9df60 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -857,7 +857,7 @@ static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power) return 0; } -static struct lcd_ops imxfb_lcd_ops = { +static const struct lcd_ops imxfb_lcd_ops = { .check_fb = imxfb_lcd_check_fb, .get_contrast = imxfb_lcd_get_contrast, .set_contrast = imxfb_lcd_set_contrast, From patchwork Sun Apr 14 16:36:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 13629091 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 579DA1369AB; 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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZWKsnU0z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9138AC32783; Sun, 14 Apr 2024 16:37:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713112677; bh=jfkmf/5bR8Pn7Nt417Wdx1kiNblxSBy4jfnOmUNCNk0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ZWKsnU0z0X7LJIBSdWsfkWglKQ3Y6hQ6N4u703hB8loVzvK8vdBlvkGEZkmicggra zYi9k87HU/wUadpTGg4E5y9Hvlgl7vM6EgTc0MUURqljKIUvvrTZhIh8XparKquTwA VROCAMiyqE8RpBzLa8SQXX1l+3NCdOZKpJ6ruUnQ/uGsrcUI2qnldMVYGwHmS7WzUJ sipz3lKodrK0erPw9YDeh11Yk+Xcz7i6iuw5PdTabH7jqkwFuLwqBnPaypSlStXB++ KXderH27S1d466W+7onSZhdQgB90hhkqlbjau6UtEmtW/qGrAh/kgh7GmlrvNwwkoL sq1ApYKneLFNA== From: Krzysztof Kozlowski Date: Sun, 14 Apr 2024 18:36:16 +0200 Subject: [PATCH 18/18] fbdev: omap: lcd_ams_delta: Constify lcd_ops Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240414-video-backlight-lcd-ops-v1-18-9b37fcbf546a@kernel.org> References: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> In-Reply-To: <20240414-video-backlight-lcd-ops-v1-0-9b37fcbf546a@kernel.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller , =?utf-8?q?Bruno_Pr=C3=A9mont?= , Jiri Kosina , Benjamin Tissoires , Alexander Shiyan , Sascha Hauer , Pengutronix Kernel Team , Shawn Guo , Fabio Estevam Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-omap@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B 'struct lcd_ops' is not modified by core backlight code, so it can be made const for increased code safety. Signed-off-by: Krzysztof Kozlowski --- Depends on the first patch in the series. --- drivers/video/fbdev/omap/lcd_ams_delta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/fbdev/omap/lcd_ams_delta.c b/drivers/video/fbdev/omap/lcd_ams_delta.c index 6f860c814d2c..97e2b71b64d7 100644 --- a/drivers/video/fbdev/omap/lcd_ams_delta.c +++ b/drivers/video/fbdev/omap/lcd_ams_delta.c @@ -76,7 +76,7 @@ static int ams_delta_lcd_get_contrast(struct lcd_device *dev) return ams_delta_lcd & AMS_DELTA_MAX_CONTRAST; } -static struct lcd_ops ams_delta_lcd_ops = { +static const struct lcd_ops ams_delta_lcd_ops = { .get_power = ams_delta_lcd_get_power, .set_power = ams_delta_lcd_set_power, .get_contrast = ams_delta_lcd_get_contrast,