diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 08:41:50 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 08:41:50 +0200 |
| commit | 18974369cfe23acf16d0fb79e0d1fba7a9a95ec0 (patch) | |
| tree | 22367984dbd4c79e9635035e268c428444c40e76 /drivers/spi | |
| parent | 7e0a6fd5a4723c79cc46c9541e343092302e0e5b (diff) | |
| parent | 196a57c2749119be4732cc2b2adb8aafcb4fcb14 (diff) | |
Merge branch 'clk' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'clk' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
ARM: 7131/1: clkdev: Add Common Macro for clk_lookup
clk: spi-pl022: convert to clk_prepare()/clk_unprepare()
clk: timer-sp: convert to clk_prepare()/clk_unprepare()
clk: sa1111: convert to clk_prepare()/clk_unprepare()
clk: mmci: convert to clk_prepare()/clk_unprepare()
clk: amba-pl011: convert to clk_prepare()/clk_unprepare()
clk: amba-pl010: convert to clk_prepare()/clk_unprepare()
clk: amba-clcd: convert to clk_prepare()/clk_unprepare()
clk: amba bus: convert to clk_prepare()/clk_unprepare()
clk: provide prepare/unprepare functions
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 3520cf955b95..1ab2fa0d37fd 100644 --- 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); |