mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-25 05:04:09 +08:00
spi: bitbang: Make spi_bitbang_stop() return void
spi_bitbang_stop() never fails, so make it return void. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
parent
38dbfb59d1
commit
d9721ae149
@ -467,11 +467,9 @@ EXPORT_SYMBOL_GPL(spi_bitbang_start);
|
||||
/**
|
||||
* spi_bitbang_stop - stops the task providing spi communication
|
||||
*/
|
||||
int spi_bitbang_stop(struct spi_bitbang *bitbang)
|
||||
void spi_bitbang_stop(struct spi_bitbang *bitbang)
|
||||
{
|
||||
spi_unregister_master(bitbang->master);
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(spi_bitbang_stop);
|
||||
|
||||
|
@ -309,7 +309,6 @@ done:
|
||||
static void butterfly_detach(struct parport *p)
|
||||
{
|
||||
struct butterfly *pp;
|
||||
int status;
|
||||
|
||||
/* FIXME this global is ugly ... but, how to quickly get from
|
||||
* the parport to the "struct butterfly" associated with it?
|
||||
@ -321,7 +320,7 @@ static void butterfly_detach(struct parport *p)
|
||||
butterfly = NULL;
|
||||
|
||||
/* stop() unregisters child devices too */
|
||||
status = spi_bitbang_stop(&pp->bitbang);
|
||||
spi_bitbang_stop(&pp->bitbang);
|
||||
|
||||
/* turn off VCC */
|
||||
parport_write_data(pp->port, 0);
|
||||
|
@ -503,13 +503,12 @@ static int spi_gpio_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct spi_gpio *spi_gpio;
|
||||
struct spi_gpio_platform_data *pdata;
|
||||
int status;
|
||||
|
||||
spi_gpio = platform_get_drvdata(pdev);
|
||||
pdata = dev_get_platdata(&pdev->dev);
|
||||
|
||||
/* stop() unregisters child devices too */
|
||||
status = spi_bitbang_stop(&spi_gpio->bitbang);
|
||||
spi_bitbang_stop(&spi_gpio->bitbang);
|
||||
|
||||
if (SPI_MISO_GPIO != SPI_GPIO_NO_MISO)
|
||||
gpio_free(SPI_MISO_GPIO);
|
||||
@ -518,7 +517,7 @@ static int spi_gpio_remove(struct platform_device *pdev)
|
||||
gpio_free(SPI_SCK_GPIO);
|
||||
spi_master_put(spi_gpio->bitbang.master);
|
||||
|
||||
return status;
|
||||
return 0;
|
||||
}
|
||||
|
||||
MODULE_ALIAS("platform:" DRIVER_NAME);
|
||||
|
@ -539,14 +539,13 @@ static int uwire_probe(struct platform_device *pdev)
|
||||
static int uwire_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct uwire_spi *uwire = platform_get_drvdata(pdev);
|
||||
int status;
|
||||
|
||||
// FIXME remove all child devices, somewhere ...
|
||||
|
||||
status = spi_bitbang_stop(&uwire->bitbang);
|
||||
spi_bitbang_stop(&uwire->bitbang);
|
||||
uwire_off(uwire);
|
||||
iounmap(uwire_base);
|
||||
return status;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* work with hotplug and coldplug */
|
||||
|
@ -42,6 +42,6 @@ extern int spi_bitbang_setup_transfer(struct spi_device *spi,
|
||||
|
||||
/* start or stop queue processing */
|
||||
extern int spi_bitbang_start(struct spi_bitbang *spi);
|
||||
extern int spi_bitbang_stop(struct spi_bitbang *spi);
|
||||
extern void spi_bitbang_stop(struct spi_bitbang *spi);
|
||||
|
||||
#endif /* __SPI_BITBANG_H */
|
||||
|
Loading…
Reference in New Issue
Block a user