diff options
| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.zip mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch b/target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch new file mode 100644 index 0000000..4cdce0e --- /dev/null +++ b/target/linux/generic/patches-4.9/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch @@ -0,0 +1,21 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Fri, 30 Dec 2016 14:53:45 +0100 +Subject: [PATCH] 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); + } |