diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-atmel.c | 6 |
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) { |