Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
drivers/spi/atmel_spi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 793933e..08cb416 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -371,6 +371,7 @@ err:
static int atmel_spi_probe(struct device_d *dev)
{
int ret = 0;
+ int i;
struct spi_master *master;
struct atmel_spi *as;
struct at91_spi_platform_data *pdata = dev->platform_data;
@@ -399,6 +400,12 @@ static int atmel_spi_probe(struct device_d *dev)
as->cs_pins = pdata->chipselect;
as->regs = dev_request_mem_region(dev, 0);
+ for (i = 0; i <= master->num_chipselect; i++) {
+ ret = gpio_request(as->cs_pins[i], dev_name(dev));
+ if (ret)
+ goto out_gpio;
+ }
+
/* Initialize the hardware */
clk_enable(as->clk);
spi_writel(as, CR, SPI_BIT(SWRST));
@@ -418,6 +425,7 @@ static int atmel_spi_probe(struct device_d *dev)
out_reset_hw:
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
+out_gpio:
clk_disable(as->clk);
clk_put(as->clk);
out_free:
--
1.7.10.4
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