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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 02:41:50 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 02:41:50 -0400 |
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) | |||
2187 | dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n"); | 2187 | dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n"); |
2188 | goto err_no_clk; | 2188 | goto err_no_clk; |
2189 | } | 2189 | } |
2190 | |||
2191 | status = clk_prepare(pl022->clk); | ||
2192 | if (status) { | ||
2193 | dev_err(&adev->dev, "could not prepare SSP/SPI bus clock\n"); | ||
2194 | goto err_clk_prep; | ||
2195 | } | ||
2196 | |||
2190 | /* Disable SSP */ | 2197 | /* Disable SSP */ |
2191 | writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)), | 2198 | writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)), |
2192 | SSP_CR1(pl022->virtbase)); | 2199 | SSP_CR1(pl022->virtbase)); |
@@ -2238,6 +2245,8 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id) | |||
2238 | pl022_dma_remove(pl022); | 2245 | pl022_dma_remove(pl022); |
2239 | free_irq(adev->irq[0], pl022); | 2246 | free_irq(adev->irq[0], pl022); |
2240 | err_no_irq: | 2247 | err_no_irq: |
2248 | clk_unprepare(pl022->clk); | ||
2249 | err_clk_prep: | ||
2241 | clk_put(pl022->clk); | 2250 | clk_put(pl022->clk); |
2242 | err_no_clk: | 2251 | err_no_clk: |
2243 | iounmap(pl022->virtbase); | 2252 | iounmap(pl022->virtbase); |
@@ -2271,6 +2280,7 @@ pl022_remove(struct amba_device *adev) | |||
2271 | pl022_dma_remove(pl022); | 2280 | pl022_dma_remove(pl022); |
2272 | free_irq(adev->irq[0], pl022); | 2281 | free_irq(adev->irq[0], pl022); |
2273 | clk_disable(pl022->clk); | 2282 | clk_disable(pl022->clk); |
2283 | clk_unprepare(pl022->clk); | ||
2274 | clk_put(pl022->clk); | 2284 | clk_put(pl022->clk); |
2275 | iounmap(pl022->virtbase); | 2285 | iounmap(pl022->virtbase); |
2276 | amba_release_regions(adev); | 2286 | amba_release_regions(adev); |