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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
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