From patchwork Sun Dec 16 05:02:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Shiyan X-Patchwork-Id: 10732865 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EF7571399 for ; Mon, 17 Dec 2018 07:54:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E6B8F29601 for ; Mon, 17 Dec 2018 07:54:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DADE2299E3; Mon, 17 Dec 2018 07:54:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,FREEMAIL_FROM, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 55EFB29601 for ; Mon, 17 Dec 2018 07:54:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0B7EF6E2C8; Mon, 17 Dec 2018 07:54:43 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org X-Greylist: delayed 2496 seconds by postgrey-1.36 at gabe; Sun, 16 Dec 2018 05:02:58 UTC Received: from smtp58.i.mail.ru (smtp58.i.mail.ru [217.69.128.38]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8FDBE6EB29 for ; Sun, 16 Dec 2018 05:02:58 +0000 (UTC) Received: by smtp58.i.mail.ru with esmtpa (envelope-from ) id 1gYOZr-0004xV-J3; Sun, 16 Dec 2018 08:02:55 +0300 From: Alexander Shiyan To: linux-fbdev@vger.kernel.org Subject: [PATCH 1/2] video: lcd: Remove useless BACKLIGHT_LCD_SUPPORT kernel symbol Date: Sun, 16 Dec 2018 08:02:46 +0300 Message-Id: <20181216050247.30043-1-shc_work@mail.ru> X-Mailer: git-send-email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ailru-Sender: 139A7956A63CACCF2A18077BC60D24458C9642EE155107C6B600211B03AA6FCC3E7CFFCDDAF2340F6B3B2BD4812BFD4DC77752E0C033A69E93554C27080790AB3B25A7FBAAF806F0AE208404248635DF X-Mras: OK X-Mailman-Approved-At: Mon, 17 Dec 2018 07:52:24 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Daniel Thompson , Alexander Shiyan , Bartlomiej Zolnierkiewicz , Jingoo Han , dri-devel@lists.freedesktop.org, Thierry Reding , Lee Jones MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Symbol BACKLIGHT_LCD_SUPPORT affecting anything, except enabling the backlight & LCD Kconfig menu. The patch removes this symbol as useless and converts it into a menu. Signed-off-by: Alexander Shiyan --- arch/unicore32/Kconfig | 1 - drivers/gpu/drm/Kconfig | 2 -- drivers/gpu/drm/bridge/Kconfig | 1 - drivers/gpu/drm/fsl-dcu/Kconfig | 1 - drivers/gpu/drm/i915/Kconfig | 1 - drivers/gpu/drm/nouveau/Kconfig | 1 - drivers/gpu/drm/shmobile/Kconfig | 1 - drivers/gpu/drm/tilcdc/Kconfig | 1 - drivers/staging/olpc_dcon/Kconfig | 1 - drivers/usb/misc/Kconfig | 1 - drivers/video/backlight/Kconfig | 10 ++-------- drivers/video/fbdev/Kconfig | 5 ----- 12 files changed, 2 insertions(+), 24 deletions(-) diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index a4c0515..afeea3d 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -211,7 +211,6 @@ config I2C_EEPROM_AT24 config LCD_BACKLIGHT tristate "LCD Backlight support" - select BACKLIGHT_LCD_SUPPORT select BACKLIGHT_PWM endmenu diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 4385f00..ef442a7 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -198,7 +198,6 @@ config DRM_RADEON select POWER_SUPPLY select HWMON select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT select INTERVAL_TREE help Choose this option if you have an ATI Radeon graphics card. There @@ -219,7 +218,6 @@ config DRM_AMDGPU select POWER_SUPPLY select HWMON select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT select INTERVAL_TREE select CHASH help diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 9eeb8ef..0f724e2 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -75,7 +75,6 @@ config DRM_PARADE_PS8622 depends on OF select DRM_PANEL select DRM_KMS_HELPER - select BACKLIGHT_LCD_SUPPORT select BACKLIGHT_CLASS_DEVICE ---help--- Parade eDP-LVDS bridge chip driver. diff --git a/drivers/gpu/drm/fsl-dcu/Kconfig b/drivers/gpu/drm/fsl-dcu/Kconfig index 14a72c4..dc82588 100644 --- a/drivers/gpu/drm/fsl-dcu/Kconfig +++ b/drivers/gpu/drm/fsl-dcu/Kconfig @@ -2,7 +2,6 @@ config DRM_FSL_DCU tristate "DRM Support for Freescale DCU" depends on DRM && OF && ARM && COMMON_CLK select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER select DRM_PANEL diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index 33a458b..90d406e73 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -15,7 +15,6 @@ config DRM_I915 select IRQ_WORK # i915 depends on ACPI_VIDEO when ACPI is enabled # but for select to work, need to select ACPI_VIDEO's dependencies, ick - select BACKLIGHT_LCD_SUPPORT if ACPI select BACKLIGHT_CLASS_DEVICE if ACPI select INPUT if ACPI select ACPI_VIDEO if ACPI diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 4b75ad40..a0238bf 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -11,7 +11,6 @@ config DRM_NOUVEAU select MXM_WMI if ACPI && X86 select POWER_SUPPLY # Similar to i915, we need to select ACPI_VIDEO and it's dependencies - select BACKLIGHT_LCD_SUPPORT if ACPI && X86 select BACKLIGHT_CLASS_DEVICE if ACPI && X86 select INPUT if ACPI && X86 select THERMAL if ACPI && X86 diff --git a/drivers/gpu/drm/shmobile/Kconfig b/drivers/gpu/drm/shmobile/Kconfig index 61bbe8e..e2a6c82 100644 --- a/drivers/gpu/drm/shmobile/Kconfig +++ b/drivers/gpu/drm/shmobile/Kconfig @@ -4,7 +4,6 @@ config DRM_SHMOBILE depends on DRM && ARM depends on ARCH_SHMOBILE || COMPILE_TEST select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER select DRM_GEM_CMA_HELPER diff --git a/drivers/gpu/drm/tilcdc/Kconfig b/drivers/gpu/drm/tilcdc/Kconfig index 5259804..cb7df20 100644 --- a/drivers/gpu/drm/tilcdc/Kconfig +++ b/drivers/gpu/drm/tilcdc/Kconfig @@ -8,7 +8,6 @@ config DRM_TILCDC select DRM_PANEL_BRIDGE select VIDEOMODE_HELPERS select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT help Choose this option if you have an TI SoC with LCDC display controller, for example AM33xx in beagle-bone, DA8xx, or diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig index 192cc8d..c91a56f 100644 --- a/drivers/staging/olpc_dcon/Kconfig +++ b/drivers/staging/olpc_dcon/Kconfig @@ -2,7 +2,6 @@ config FB_OLPC_DCON tristate "One Laptop Per Child Display CONtroller support" depends on OLPC && FB depends on I2C - depends on BACKLIGHT_LCD_SUPPORT depends on (GPIO_CS5535 || GPIO_CS5535=n) select BACKLIGHT_CLASS_DEVICE help diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index 68d2f2c..a86a80b 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -141,7 +141,6 @@ config USB_FTDI_ELAN config USB_APPLEDISPLAY tristate "Apple Cinema Display support" - select BACKLIGHT_LCD_SUPPORT select BACKLIGHT_CLASS_DEVICE help Say Y here if you want to control the backlight of Apple Cinema diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 71ee978..3fdc18e 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -2,13 +2,7 @@ # Backlight & LCD drivers configuration # -menuconfig BACKLIGHT_LCD_SUPPORT - bool "Backlight & LCD device support" - help - Enable this to be able to choose the drivers for controlling the - backlight and the LCD panel on some platforms, for example on PDAs. - -if BACKLIGHT_LCD_SUPPORT +menu "Backlight & LCD device support" # # LCD @@ -466,4 +460,4 @@ config BACKLIGHT_RAVE_SP endif # BACKLIGHT_CLASS_DEVICE -endif # BACKLIGHT_LCD_SUPPORT +endmenu diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index e413f54..0037d5e 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -186,7 +186,6 @@ config FB_MACMODES config FB_BACKLIGHT bool depends on FB - select BACKLIGHT_LCD_SUPPORT select BACKLIGHT_CLASS_DEVICE config FB_MODE_HELPERS @@ -281,7 +280,6 @@ config FB_ARMCLCD select FB_CFB_IMAGEBLIT select FB_MODE_HELPERS if OF select VIDEOMODE_HELPERS if OF - select BACKLIGHT_LCD_SUPPORT if OF select BACKLIGHT_CLASS_DEVICE if OF help This framebuffer device driver is for the ARM PrimeCell PL110 @@ -315,7 +313,6 @@ config FB_ACORN config FB_CLPS711X tristate "CLPS711X LCD support" depends on FB && (ARCH_CLPS711X || COMPILE_TEST) - select BACKLIGHT_LCD_SUPPORT select FB_MODE_HELPERS select FB_SYS_FILLRECT select FB_SYS_COPYAREA @@ -343,7 +340,6 @@ config FB_SA1100 config FB_IMX tristate "Freescale i.MX1/21/25/27 LCD support" depends on FB && ARCH_MXC - select BACKLIGHT_LCD_SUPPORT select LCD_CLASS_DEVICE select FB_CFB_FILLRECT select FB_CFB_COPYAREA @@ -2191,7 +2187,6 @@ config FB_MX3 tristate "MX3 Framebuffer support" depends on FB && MX3_IPU select BACKLIGHT_CLASS_DEVICE - select BACKLIGHT_LCD_SUPPORT select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT From patchwork Sun Dec 16 05:02:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Shiyan X-Patchwork-Id: 10732843 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 050EA1399 for ; Mon, 17 Dec 2018 07:53:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EFCB9299DD for ; Mon, 17 Dec 2018 07:53:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E256F299E1; Mon, 17 Dec 2018 07:53:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,FREEMAIL_FROM, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 09842299DD for ; Mon, 17 Dec 2018 07:53:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 938DA6E2A7; Mon, 17 Dec 2018 07:52:58 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp58.i.mail.ru (smtp58.i.mail.ru [217.69.128.38]) by gabe.freedesktop.org (Postfix) with ESMTPS id C7F816EB29 for ; Sun, 16 Dec 2018 05:03:00 +0000 (UTC) Received: by smtp58.i.mail.ru with esmtpa (envelope-from ) id 1gYOZu-0004xV-Ex; Sun, 16 Dec 2018 08:02:58 +0300 From: Alexander Shiyan To: linux-fbdev@vger.kernel.org Subject: [PATCH 2/2] video: lcd: Remove useless BACKLIGHT_CLASS_DEVICE dependencies Date: Sun, 16 Dec 2018 08:02:47 +0300 Message-Id: <20181216050247.30043-2-shc_work@mail.ru> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20181216050247.30043-1-shc_work@mail.ru> References: <20181216050247.30043-1-shc_work@mail.ru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ailru-Sender: 139A7956A63CACCF2A18077BC60D24458C9642EE155107C685E19238D1C52317053BB975106163A16B3B2BD4812BFD4DC77752E0C033A69E93554C27080790AB3B25A7FBAAF806F0AE208404248635DF X-Mras: OK X-Mailman-Approved-At: Mon, 17 Dec 2018 07:52:24 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pwm@vger.kernel.org, Daniel Thompson , Alexander Shiyan , Bartlomiej Zolnierkiewicz , Jingoo Han , dri-devel@lists.freedesktop.org, Thierry Reding , Lee Jones MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch removes dependencies on BACKLIGHT_CLASS_DEVICE for items that are already placed under #ifdef BACKLIGHT_CLASS_DEVICE. Signed-off-by: Alexander Shiyan Acked-by: Daniel Thompson --- drivers/video/backlight/Kconfig | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 3fdc18e..3ed1d90 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -193,7 +193,6 @@ config BACKLIGHT_IPAQ_MICRO config BACKLIGHT_LM3533 tristate "Backlight Driver for LM3533" - depends on BACKLIGHT_CLASS_DEVICE depends on MFD_LM3533 help Say Y to enable the backlight driver for National Semiconductor / TI @@ -317,7 +316,7 @@ config BACKLIGHT_ADP5520 config BACKLIGHT_ADP8860 tristate "Backlight Driver for ADP8860/ADP8861/ADP8863 using WLED" - depends on BACKLIGHT_CLASS_DEVICE && I2C + depends on I2C select NEW_LEDS select LEDS_CLASS help @@ -329,7 +328,7 @@ config BACKLIGHT_ADP8860 config BACKLIGHT_ADP8870 tristate "Backlight Driver for ADP8870 using WLED" - depends on BACKLIGHT_CLASS_DEVICE && I2C + depends on I2C select NEW_LEDS select LEDS_CLASS help @@ -347,28 +346,28 @@ config BACKLIGHT_88PM860X config BACKLIGHT_PCF50633 tristate "Backlight driver for NXP PCF50633 MFD" - depends on BACKLIGHT_CLASS_DEVICE && MFD_PCF50633 + depends on MFD_PCF50633 help If you have a backlight driven by a NXP PCF50633 MFD, say Y here to enable its driver. config BACKLIGHT_AAT2870 tristate "AnalogicTech AAT2870 Backlight" - depends on BACKLIGHT_CLASS_DEVICE && MFD_AAT2870_CORE + depends on MFD_AAT2870_CORE help If you have a AnalogicTech AAT2870 say Y to enable the backlight driver. config BACKLIGHT_LM3630A tristate "Backlight Driver for LM3630A" - depends on BACKLIGHT_CLASS_DEVICE && I2C && PWM + depends on I2C && PWM select REGMAP_I2C help This supports TI LM3630A Backlight Driver config BACKLIGHT_LM3639 tristate "Backlight Driver for LM3639" - depends on BACKLIGHT_CLASS_DEVICE && I2C + depends on I2C select REGMAP_I2C select NEW_LEDS select LEDS_CLASS @@ -377,20 +376,20 @@ config BACKLIGHT_LM3639 config BACKLIGHT_LP855X tristate "Backlight driver for TI LP855X" - depends on BACKLIGHT_CLASS_DEVICE && I2C && PWM + depends on I2C && PWM help This supports TI LP8550, LP8551, LP8552, LP8553, LP8555, LP8556 and LP8557 backlight driver. config BACKLIGHT_LP8788 tristate "Backlight driver for TI LP8788 MFD" - depends on BACKLIGHT_CLASS_DEVICE && MFD_LP8788 && PWM + depends on MFD_LP8788 && PWM help This supports TI LP8788 backlight driver. config BACKLIGHT_OT200 tristate "Backlight driver for ot200 visualisation device" - depends on BACKLIGHT_CLASS_DEVICE && CS5535_MFGPT && GPIO_CS5535 + depends on CS5535_MFGPT && GPIO_CS5535 help To compile this driver as a module, choose M here: the module will be called ot200_bl. @@ -404,7 +403,7 @@ config BACKLIGHT_PANDORA config BACKLIGHT_SKY81452 tristate "Backlight driver for SKY81452" - depends on BACKLIGHT_CLASS_DEVICE && MFD_SKY81452 + depends on MFD_SKY81452 help If you have a Skyworks SKY81452, say Y to enable the backlight driver. @@ -414,14 +413,14 @@ config BACKLIGHT_SKY81452 config BACKLIGHT_TPS65217 tristate "TPS65217 Backlight" - depends on BACKLIGHT_CLASS_DEVICE && MFD_TPS65217 + depends on MFD_TPS65217 help If you have a Texas Instruments TPS65217 say Y to enable the backlight driver. config BACKLIGHT_AS3711 tristate "AS3711 Backlight" - depends on BACKLIGHT_CLASS_DEVICE && MFD_AS3711 + depends on MFD_AS3711 help If you have an Austrian Microsystems AS3711 say Y to enable the backlight driver.