backlight: generic_bl: Remove this driver as it is unused

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 <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 95c546c..87f9fc2 100644 (file)
--- 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 2072d21..13463b9 100644 (file)
--- 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 (file)
index 8fe63db..0000000
--- 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 <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/fb.h>
-#include <linux/backlight.h>
-
-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 <rpurdie@rpsys.net>");
-MODULE_DESCRIPTION("Generic Backlight Driver");
-MODULE_LICENSE("GPL");

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 1d56b34..d0f01dc 100644 (file)
--- 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