diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-gpio.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index eca9d52ecf65..9eb82150666e 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -410,6 +410,12 @@ static int spi_gpio_probe(struct platform_device *pdev) bb = &spi_gpio->bitbang; bb->master = master; + /* + * There is some additional business, apart from driving the CS GPIO + * line, that we need to do on selection. This makes the local + * callback for chipselect always get called. + */ + master->flags |= SPI_MASTER_GPIO_SS; bb->chipselect = spi_gpio_chipselect; bb->set_line_direction = spi_gpio_set_direction; |