From: Ezequiel Garcia Date: Sun, 24 Nov 2013 12:37:01 +0000 (-0300) Subject: spi: spi-gpio: Use 'cansleep' variants to access GPIO X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d9dda5a1917a01e6317f7bee81e7e6ed236d7e0a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git spi: spi-gpio: Use 'cansleep' variants to access GPIO The GPIO chip in use could be of any kind, and therefore might sleep when accesing the GPIO lines. Take account of this by using cansleep instead, which is the most generic case. Signed-off-by: Ezequiel Garcia Signed-off-by: Mark Brown --- diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index 3fb09f981980..7beeb29472ac 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -115,17 +115,17 @@ spi_to_pdata(const struct spi_device *spi) static inline void setsck(const struct spi_device *spi, int is_on) { - gpio_set_value(SPI_SCK_GPIO, is_on); + gpio_set_value_cansleep(SPI_SCK_GPIO, is_on); } static inline void setmosi(const struct spi_device *spi, int is_on) { - gpio_set_value(SPI_MOSI_GPIO, is_on); + gpio_set_value_cansleep(SPI_MOSI_GPIO, is_on); } static inline int getmiso(const struct spi_device *spi) { - return !!gpio_get_value(SPI_MISO_GPIO); + return !!gpio_get_value_cansleep(SPI_MISO_GPIO); } #undef pdata @@ -229,7 +229,7 @@ static void spi_gpio_chipselect(struct spi_device *spi, int is_active) if (cs != SPI_GPIO_NO_CHIPSELECT) { /* SPI is normally active-low */ - gpio_set_value(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active); + gpio_set_value_cansleep(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active); } }