3.11-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <jhovold@xxxxxxxxx>
commit 9d3fde86b15303decea632c929fbf1f3ae4501f2 upstream.
Move probe out of __init section and don't use platform_driver_probe
which cannot be used with deferred probing.
Since commit e9354576 ("gpiolib: Defer failed gpio requests by default")
this driver might return -EPROBE_DEFER if a gpio_request fails.
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Cc: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@xxxxxxxxxxxx>
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/atmel-pwm-bl.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -118,7 +118,7 @@ static const struct backlight_ops atmel_
.update_status = atmel_pwm_bl_set_intensity,
};
-static int __init atmel_pwm_bl_probe(struct platform_device *pdev)
+static int atmel_pwm_bl_probe(struct platform_device *pdev)
{
struct backlight_properties props;
const struct atmel_pwm_bl_platform_data *pdata;
@@ -202,7 +202,7 @@ err_free_mem:
return retval;
}
-static int __exit atmel_pwm_bl_remove(struct platform_device *pdev)
+static int atmel_pwm_bl_remove(struct platform_device *pdev)
{
struct atmel_pwm_bl *pwmbl = platform_get_drvdata(pdev);
@@ -220,10 +220,11 @@ static struct platform_driver atmel_pwm_
.name = "atmel-pwm-bl",
},
/* REVISIT add suspend() and resume() */
- .remove = __exit_p(atmel_pwm_bl_remove),
+ .probe = atmel_pwm_bl_probe,
+ .remove = atmel_pwm_bl_remove,
};
-module_platform_driver_probe(atmel_pwm_bl_driver, atmel_pwm_bl_probe);
+module_platform_driver(atmel_pwm_bl_driver);
MODULE_AUTHOR("Hans-Christian egtvedt <hans-christian.egtvedt@xxxxxxxxx>");
MODULE_DESCRIPTION("Atmel PWM backlight driver");
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