diff options
| author |   Vladimir Barinov <vladimir.barinov@cogentembedded.com> | 2017-05-16 23:37:25 +0300 |
|---|---|---|
| committer | Vladimir Barinov <vladimir.barinov@cogentembedded.com> | 2017-05-17 10:43:29 +0300 |
| commit | 6de4102e912132ff6fbe2d88393517c337473d29 (patch) | |
| tree | 0c0c7ff0ebaa918f0259b6243aab0b1d63ec79c3 /meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch | |
Initial commit for ADAS boards support in 2.19.0
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch new file mode 100644 index 0000000..e802f68 --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0003-spi-spi-gpio-fix-CPOL-mode.patch @@ -0,0 +1,42 @@ +From db37427756bc9e42723f58067a3f387a2861fbbb Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Sun, 29 May 2016 23:18:49 +0300 +Subject: [PATCH] spi: spi-gpio: fix CPOL mode + +This fixes the SPI SPOL mode, since the cs_gpios is already used +in generic code spi.c + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/spi/spi-gpio.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c +index 1c34c93..428417d 100644 +--- a/drivers/spi/spi-gpio.c ++++ b/drivers/spi/spi-gpio.c +@@ -218,10 +218,6 @@ static void spi_gpio_chipselect(struct spi_device *spi, int is_active) + struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi); + unsigned long cs = spi_gpio->cs_gpios[spi->chip_select]; + +- /* set initial clock polarity */ +- if (is_active) +- setsck(spi, spi->mode & SPI_CPOL); +- + if (cs != SPI_GPIO_NO_CHIPSELECT) { + /* SPI is normally active-low */ + gpio_set_value_cansleep(cs, (spi->mode & SPI_CS_HIGH) ? is_active : !is_active); +@@ -257,6 +253,10 @@ static int spi_gpio_setup(struct spi_device *spi) + !(spi->mode & SPI_CS_HIGH)); + } + } ++ ++ /* set initial clock polarity */ ++ setsck(spi, spi->mode & SPI_CPOL); ++ + if (!status) { + /* in case it was initialized from static board data */ + spi_gpio->cs_gpios[spi->chip_select] = cs; +-- +1.9.1 + |