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clk: spi-pl022: convert to clk_prepare()/clk_unprepare()
[pandora-kernel.git]
/
drivers
/
spi
/
spi-pl022.c
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;
}
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));
/* 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:
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);
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);
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);
clk_put(pl022->clk);
iounmap(pl022->virtbase);
amba_release_regions(adev);