diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 14:13:33 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 14:13:33 (GMT) |
commit | e372dc6c62bf0246a07f3291a26c562cc8659fbd (patch) | |
tree | c7039c1d1005b80e427761ba768d7697ae4a0b72 /drivers/media/video/mx2_camera.c | |
parent | 5d4121c04b3577e37e389b3553d442f44bb346d7 (diff) | |
parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) | |
download | linux-fsl-qoriq-e372dc6c62bf0246a07f3291a26c562cc8659fbd.tar.xz |
Merge 3.6-rc3 into tty-next
This picks up all of the different fixes in Linus's tree that we also need here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media/video/mx2_camera.c')
-rw-r--r-- | drivers/media/video/mx2_camera.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 637bde8..ac17540 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -272,7 +272,7 @@ struct mx2_camera_dev { struct device *dev; struct soc_camera_host soc_host; struct soc_camera_device *icd; - struct clk *clk_csi, *clk_emma; + struct clk *clk_csi, *clk_emma_ahb, *clk_emma_ipg; unsigned int irq_csi, irq_emma; void __iomem *base_csi, *base_emma; @@ -407,7 +407,7 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) { unsigned long flags; - clk_disable(pcdev->clk_csi); + clk_disable_unprepare(pcdev->clk_csi); writel(0, pcdev->base_csi + CSICR1); if (cpu_is_mx27()) { writel(0, pcdev->base_emma + PRP_CNTL); @@ -435,7 +435,7 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) if (pcdev->icd) return -EBUSY; - ret = clk_enable(pcdev->clk_csi); + ret = clk_prepare_enable(pcdev->clk_csi); if (ret < 0) return ret; @@ -1633,23 +1633,34 @@ static int __devinit mx27_camera_emma_init(struct mx2_camera_dev *pcdev) goto exit_iounmap; } - pcdev->clk_emma = clk_get(NULL, "emma"); - if (IS_ERR(pcdev->clk_emma)) { - err = PTR_ERR(pcdev->clk_emma); + pcdev->clk_emma_ipg = clk_get(pcdev->dev, "emma-ipg"); + if (IS_ERR(pcdev->clk_emma_ipg)) { + err = PTR_ERR(pcdev->clk_emma_ipg); goto exit_free_irq; } - clk_enable(pcdev->clk_emma); + clk_prepare_enable(pcdev->clk_emma_ipg); + + pcdev->clk_emma_ahb = clk_get(pcdev->dev, "emma-ahb"); + if (IS_ERR(pcdev->clk_emma_ahb)) { + err = PTR_ERR(pcdev->clk_emma_ahb); + goto exit_clk_emma_ipg_put; + } + + clk_prepare_enable(pcdev->clk_emma_ahb); err = mx27_camera_emma_prp_reset(pcdev); if (err) - goto exit_clk_emma_put; + goto exit_clk_emma_ahb_put; return err; -exit_clk_emma_put: - clk_disable(pcdev->clk_emma); - clk_put(pcdev->clk_emma); +exit_clk_emma_ahb_put: + clk_disable_unprepare(pcdev->clk_emma_ahb); + clk_put(pcdev->clk_emma_ahb); +exit_clk_emma_ipg_put: + clk_disable_unprepare(pcdev->clk_emma_ipg); + clk_put(pcdev->clk_emma_ipg); exit_free_irq: free_irq(pcdev->irq_emma, pcdev); exit_iounmap: @@ -1685,7 +1696,7 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) goto exit; } - pcdev->clk_csi = clk_get(&pdev->dev, NULL); + pcdev->clk_csi = clk_get(&pdev->dev, "ahb"); if (IS_ERR(pcdev->clk_csi)) { dev_err(&pdev->dev, "Could not get csi clock\n"); err = PTR_ERR(pcdev->clk_csi); @@ -1785,8 +1796,10 @@ exit_free_emma: eallocctx: if (cpu_is_mx27()) { free_irq(pcdev->irq_emma, pcdev); - clk_disable(pcdev->clk_emma); - clk_put(pcdev->clk_emma); + clk_disable_unprepare(pcdev->clk_emma_ipg); + clk_put(pcdev->clk_emma_ipg); + clk_disable_unprepare(pcdev->clk_emma_ahb); + clk_put(pcdev->clk_emma_ahb); iounmap(pcdev->base_emma); release_mem_region(pcdev->res_emma->start, resource_size(pcdev->res_emma)); } @@ -1825,8 +1838,10 @@ static int __devexit mx2_camera_remove(struct platform_device *pdev) iounmap(pcdev->base_csi); if (cpu_is_mx27()) { - clk_disable(pcdev->clk_emma); - clk_put(pcdev->clk_emma); + clk_disable_unprepare(pcdev->clk_emma_ipg); + clk_put(pcdev->clk_emma_ipg); + clk_disable_unprepare(pcdev->clk_emma_ahb); + clk_put(pcdev->clk_emma_ahb); iounmap(pcdev->base_emma); res = pcdev->res_emma; release_mem_region(res->start, resource_size(res)); |