From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sam Ravnborg Subject: [PATCH v4 08/20] backlight: remove the unused backlight_bl driver Date: Fri, 3 Jul 2020 20:45:34 +0200 Message-ID: <20200703184546.144664-9-sam@ravnborg.org> References: <20200703184546.144664-1-sam@ravnborg.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200703184546.144664-1-sam@ravnborg.org> Sender: linux-arm-msm-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org, Jingoo Han , Lee Jones , Daniel Thompson Cc: Andy Gross , Bartlomiej Zolnierkiewicz , Bjorn Andersson , Daniel Vetter , David Airlie , Emil Velikov , Jonathan Corbet , linux-arm-msm@vger.kernel.org, linux-pwm@vger.kernel.org, Maarten Lankhorst , Maxime Ripard , Michael Hennerich , patches@opensource.cirrus.com, Support Opensource , Thierry Reding , Thomas Zimmermann , Uwe Kleine-Konig , Peter Ujfalusi , Tomi Valkeinen List-Id: linux-pwm@vger.kernel.org The backlight_bl driver required initialization using struct generic_bl_info. As there are no more references to this struct there is no users left. So it is safe to delete the driver. Signed-off-by: Sam Ravnborg Reviewed-by: Daniel Thompson Reviewed-by: Emil Velikov Cc: Lee Jones Cc: Daniel Thompson Cc: Jingoo Han --- drivers/video/backlight/Kconfig | 8 -- drivers/video/backlight/Makefile | 1 - drivers/video/backlight/generic_bl.c | 110 --------------------------- include/linux/backlight.h | 9 --- 4 files changed, 128 deletions(-) delete mode 100644 drivers/video/backlight/generic_bl.c diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 7d22d7377606..14abfeee8868 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -173,14 +173,6 @@ config BACKLIGHT_EP93XX To compile this driver as a module, choose M here: the module will be called ep93xx_bl. -config BACKLIGHT_GENERIC - tristate "Generic (aka Sharp Corgi) Backlight Driver" - default y - help - Say y to enable the generic platform backlight driver previously - known as the Corgi backlight driver. If you have a Sharp Zaurus - SL-C7xx, SL-Cxx00 or SL-6000x say y. - config BACKLIGHT_IPAQ_MICRO tristate "iPAQ microcontroller backlight driver" depends on MFD_IPAQ_MICRO diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 0c1a1524627a..9b998cfdc56d 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -31,7 +31,6 @@ obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o obj-$(CONFIG_BACKLIGHT_EP93XX) += ep93xx_bl.o -obj-$(CONFIG_BACKLIGHT_GENERIC) += generic_bl.o obj-$(CONFIG_BACKLIGHT_GPIO) += gpio_backlight.o obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o obj-$(CONFIG_BACKLIGHT_HP700) += jornada720_bl.o diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c deleted file mode 100644 index 8fe63dbc8590..000000000000 --- a/drivers/video/backlight/generic_bl.c +++ /dev/null @@ -1,110 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Generic Backlight Driver - * - * Copyright (c) 2004-2008 Richard Purdie - */ - -#include -#include -#include -#include -#include -#include -#include - -static int genericbl_intensity; -static struct backlight_device *generic_backlight_device; -static struct generic_bl_info *bl_machinfo; - -static int genericbl_send_intensity(struct backlight_device *bd) -{ - int intensity = bd->props.brightness; - - if (bd->props.power != FB_BLANK_UNBLANK) - intensity = 0; - if (bd->props.state & BL_CORE_FBBLANK) - intensity = 0; - if (bd->props.state & BL_CORE_SUSPENDED) - intensity = 0; - - bl_machinfo->set_bl_intensity(intensity); - - genericbl_intensity = intensity; - - if (bl_machinfo->kick_battery) - bl_machinfo->kick_battery(); - - return 0; -} - -static int genericbl_get_intensity(struct backlight_device *bd) -{ - return genericbl_intensity; -} - -static const struct backlight_ops genericbl_ops = { - .options = BL_CORE_SUSPENDRESUME, - .get_brightness = genericbl_get_intensity, - .update_status = genericbl_send_intensity, -}; - -static int genericbl_probe(struct platform_device *pdev) -{ - struct backlight_properties props; - struct generic_bl_info *machinfo = dev_get_platdata(&pdev->dev); - const char *name = "generic-bl"; - struct backlight_device *bd; - - bl_machinfo = machinfo; - if (!machinfo->limit_mask) - machinfo->limit_mask = -1; - - if (machinfo->name) - name = machinfo->name; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = machinfo->max_intensity; - bd = devm_backlight_device_register(&pdev->dev, name, &pdev->dev, - NULL, &genericbl_ops, &props); - if (IS_ERR(bd)) - return PTR_ERR(bd); - - platform_set_drvdata(pdev, bd); - - bd->props.power = FB_BLANK_UNBLANK; - bd->props.brightness = machinfo->default_intensity; - backlight_update_status(bd); - - generic_backlight_device = bd; - - dev_info(&pdev->dev, "Generic Backlight Driver Initialized.\n"); - return 0; -} - -static int genericbl_remove(struct platform_device *pdev) -{ - struct backlight_device *bd = platform_get_drvdata(pdev); - - bd->props.power = 0; - bd->props.brightness = 0; - backlight_update_status(bd); - - dev_info(&pdev->dev, "Generic Backlight Driver Unloaded\n"); - return 0; -} - -static struct platform_driver genericbl_driver = { - .probe = genericbl_probe, - .remove = genericbl_remove, - .driver = { - .name = "generic-bl", - }, -}; - -module_platform_driver(genericbl_driver); - -MODULE_AUTHOR("Richard Purdie "); -MODULE_DESCRIPTION("Generic Backlight Driver"); -MODULE_LICENSE("GPL"); diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 0f425b32e6be..8f2005a6f8a9 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -454,15 +454,6 @@ static inline void * bl_get_data(struct backlight_device *bl_dev) return dev_get_drvdata(&bl_dev->dev); } -struct generic_bl_info { - const char *name; - int max_intensity; - int default_intensity; - int limit_mask; - void (*set_bl_intensity)(int intensity); - void (*kick_battery)(void); -}; - #ifdef CONFIG_OF struct backlight_device *of_find_backlight_by_node(struct device_node *node); #else -- 2.25.1