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path: root/drivers/spi/spi-atmel.c
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Diffstat (limited to 'drivers/spi/spi-atmel.c')
-rw-r--r--drivers/spi/spi-atmel.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index d3affa6afe7e..9fb00ac3ac2e 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -296,6 +296,7 @@ struct atmel_spi {
int irq;
struct clk *clk;
struct platform_device *pdev;
+ unsigned long spi_clk;
struct spi_transfer *current_transfer;
int current_remaining_bytes;
@@ -865,7 +866,7 @@ static int atmel_spi_set_xfer_speed(struct atmel_spi *as,
unsigned long bus_hz;
/* v1 chips start out at half the peripheral bus speed. */
- bus_hz = clk_get_rate(as->clk);
+ bus_hz = as->spi_clk;
if (!atmel_spi_is_v2(as))
bus_hz /= 2;
@@ -1634,6 +1635,9 @@ static int atmel_spi_probe(struct platform_device *pdev)
ret = clk_prepare_enable(clk);
if (ret)
goto out_free_irq;
+
+ as->spi_clk = clk_get_rate(clk);
+
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
if (as->caps.has_wdrbt) {