diff options
Diffstat (limited to 'target/linux/generic/pending-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch')
| -rw-r--r-- | target/linux/generic/pending-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch b/target/linux/generic/pending-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch new file mode 100644 index 0000000000..e11e7148d9 --- /dev/null +++ b/target/linux/generic/pending-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch @@ -0,0 +1,20 @@ +From: Felix Fietkau <nbd@nbd.name> +Subject: spi: use gpio_set_value_cansleep for setting chipselect GPIO + +Sleeping is safe inside spi_transfer_one_message, and some GPIO chips +need to sleep for setting values + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/spi/spi.c ++++ b/drivers/spi/spi.c +@@ -698,7 +698,7 @@ static void spi_set_cs(struct spi_device + enable = !enable; + + if (gpio_is_valid(spi->cs_gpio)) +- gpio_set_value(spi->cs_gpio, !enable); ++ gpio_set_value_cansleep(spi->cs_gpio, !enable); + else if (spi->master->set_cs) + spi->master->set_cs(spi, !enable); + } |