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video: backlight: ili9320: Make ili9320_remove() return void

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Up to now ili9320_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.

Also the return value of spi remove callbacks is ignored anyway.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211019120927.3822792-1-u.kleine-koenig@pengutronix.de
This commit is contained in:
Uwe Kleine-König 2021-10-19 14:09:27 +02:00 committed by Lee Jones
parent 563edf85ce
commit 3976e974df
3 changed files with 5 additions and 4 deletions
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3
drivers/video/backlight/ili9320.c
View File

@ -251,10 +251,9 @@ int ili9320_probe_spi(struct spi_device *spi,
}
EXPORT_SYMBOL_GPL(ili9320_probe_spi);
int ili9320_remove(struct ili9320 *ili)
void ili9320_remove(struct ili9320 *ili)
{
ili9320_power(ili, FB_BLANK_POWERDOWN);
return 0;
}
EXPORT_SYMBOL_GPL(ili9320_remove);

2
drivers/video/backlight/ili9320.h
View File

@ -68,7 +68,7 @@ extern int ili9320_write_regs(struct ili9320 *ili,
extern int ili9320_probe_spi(struct spi_device *spi,
struct ili9320_client *cli);
extern int ili9320_remove(struct ili9320 *lcd);
extern void ili9320_remove(struct ili9320 *lcd);
extern void ili9320_shutdown(struct ili9320 *lcd);
/* PM */

4
drivers/video/backlight/vgg2432a4.c
View File

@ -235,7 +235,9 @@ static int vgg2432a4_probe(struct spi_device *spi)
static int vgg2432a4_remove(struct spi_device *spi)
{
return ili9320_remove(spi_get_drvdata(spi));
ili9320_remove(spi_get_drvdata(spi));
return 0;
}
static void vgg2432a4_shutdown(struct spi_device *spi)