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authorPekka Enberg <penberg@kernel.org>2012-01-11 21:11:29 +0200
committerPekka Enberg <penberg@kernel.org>2012-01-11 21:11:29 +0200
commit5878cf431ca7233a56819ca6970153ac0b129599 (patch)
treee5d21d04a0b468d2dabbe3a3824f23b5537fc6a7 /drivers/spi/spi-pl022.c
parent74ee4ef1f901fbb014bdcdc9171d126490ce2b62 (diff)
parentb13683d1cc14d1dd30b8e20f3ebea3f814ad029f (diff)
downloadlinux-5878cf431ca7233a56819ca6970153ac0b129599.tar.gz
Merge branch 'slab/urgent' into slab/for-linus
Diffstat (limited to 'drivers/spi/spi-pl022.c')
-rw-r--r--drivers/spi/spi-pl022.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index f103e470cb63..5559b2299198 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2184,6 +2184,12 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
goto err_clk_prep;
}
+ status = clk_enable(pl022->clk);
+ if (status) {
+ dev_err(&adev->dev, "could not enable SSP/SPI bus clock\n");
+ goto err_no_clk_en;
+ }
+
/* Disable SSP */
writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)),
SSP_CR1(pl022->virtbase));
@@ -2237,6 +2243,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
free_irq(adev->irq[0], pl022);
err_no_irq:
+ clk_disable(pl022->clk);
+ err_no_clk_en:
clk_unprepare(pl022->clk);
err_clk_prep:
clk_put(pl022->clk);