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authorMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 11:49:56 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-11-28 11:49:56 +0000
commit9ee4be4156b1a507f199e750ba2c13ffb6ea9b42 (patch)
treec92cb39ad1f0be559390c2a995d9aad2b0300b14 /drivers/spi/spi-pl022.c
parent005d610f2abc550172726b997f5cfe683769cc1c (diff)
parentd4d6373c1109b11c8118340be97ae31b8f94d66a (diff)
Merge remote-tracking branch 'regulator/for-linus' into regulator-next
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 f103e470cb6..5559b229919 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);