clk: spi-pl022: convert to clk_prepare()/clk_unprepare()

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 3520cf9..1ab2fa0 100644 (file)
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2187,6 +2187,13 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
                dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n");
                goto err_no_clk;
        }
+
+       status = clk_prepare(pl022->clk);
+       if (status) {
+               dev_err(&adev->dev, "could not prepare SSP/SPI bus clock\n");
+               goto  err_clk_prep;
+       }
+
        /* Disable SSP */
        writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
               SSP_CR1(pl022->virtbase));
@@ -2238,6 +2245,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
        pl022_dma_remove(pl022);
        free_irq(adev->irq[0], pl022);
  err_no_irq:
+       clk_unprepare(pl022->clk);
+ err_clk_prep:
        clk_put(pl022->clk);
  err_no_clk:
        iounmap(pl022->virtbase);
@@ -2271,6 +2280,7 @@ pl022_remove(struct amba_device *adev)
        pl022_dma_remove(pl022);
        free_irq(adev->irq[0], pl022);
        clk_disable(pl022->clk);
+       clk_unprepare(pl022->clk);
        clk_put(pl022->clk);
        iounmap(pl022->virtbase);
        amba_release_regions(adev);