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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-20 14:34:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-20 14:34:58 -0800 |
| commit | bb893d15b564f7711b60e0bc12966d049980582d (patch) | |
| tree | a8606472dc0594451f0e2afffc612e96e973613c /drivers/spi | |
| parent | 2d360fcbd851b7f9f8c23b1c30b2f3c060fa43e6 (diff) | |
| parent | e5489847d6fc0ff176048b6e1cf5034507bf703a (diff) | |
| download | lwn-bb893d15b564f7711b60e0bc12966d049980582d.tar.gz lwn-bb893d15b564f7711b60e0bc12966d049980582d.zip | |
Merge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
ARM: wire up process_vm_writev and process_vm_readv syscalls
ARM: 7160/1: setup: avoid overflowing {elf,arch}_name from proc_info_list
ARM: 7158/1: add new MFP implement for NUC900
ARM: 7157/1: fix a building WARNING for nuc900
ARM: 7156/1: l2x0: fix compile error on !CONFIG_USE_OF
ARM: 7155/1: arch.h: Declare 'pt_regs' locally
ARM: 7154/1: mach-bcmring: fix build error in dma.c
ARM: 7153/1: mach-bcmring: fix build error in core.c
ARM: 7152/1: distclean: Remove generated .dtb files
ARM: 7150/1: Allow kernel unaligned accesses on ARMv6+ processors
ARM: 7149/1: spi/pl022: Enable clock in probe
Revert "ARM: 7098/1: kdump: copy kernel relocation code at the kexec prepare stage"
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-pl022.c | 8 |
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); |