diff options
| author | Kamil Debski <k.debski@samsung.com> | 2012-02-16 17:51:28 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-08 14:42:40 +0400 |
| commit | 11a37c709797cc56f48905e68a3099b79cf08850 (patch) | |
| tree | cf1a4a2f10e328f1cf670570f916af68725d6297 /drivers/media/video/s5p-g2d | |
| parent | 570d2a48b700948e2ee0cadb184942ce426ae577 (diff) | |
| download | linux-11a37c709797cc56f48905e68a3099b79cf08850.tar.xz | |
[media] s5p-g2d: Added support for clk_prepare
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-g2d')
| -rw-r--r-- | drivers/media/video/s5p-g2d/g2d.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/media/video/s5p-g2d/g2d.c b/drivers/media/video/s5p-g2d/g2d.c index febaa673d363..351080a217fe 100644 --- a/drivers/media/video/s5p-g2d/g2d.c +++ b/drivers/media/video/s5p-g2d/g2d.c @@ -693,18 +693,30 @@ static int g2d_probe(struct platform_device *pdev) goto unmap_regs; } + ret = clk_prepare(dev->clk); + if (ret) { + dev_err(&pdev->dev, "failed to prepare g2d clock\n"); + goto put_clk; + } + dev->gate = clk_get(&pdev->dev, "fimg2d"); if (IS_ERR_OR_NULL(dev->gate)) { dev_err(&pdev->dev, "failed to get g2d clock gate\n"); ret = -ENXIO; - goto put_clk; + goto unprep_clk; + } + + ret = clk_prepare(dev->gate); + if (ret) { + dev_err(&pdev->dev, "failed to prepare g2d clock gate\n"); + goto put_clk_gate; } res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) { dev_err(&pdev->dev, "failed to find IRQ\n"); ret = -ENXIO; - goto put_clk_gate; + goto unprep_clk_gate; } dev->irq = res->start; @@ -764,8 +776,12 @@ alloc_ctx_cleanup: vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); rel_irq: free_irq(dev->irq, dev); +unprep_clk_gate: + clk_unprepare(dev->gate); put_clk_gate: clk_put(dev->gate); +unprep_clk: + clk_unprepare(dev->clk); put_clk: clk_put(dev->clk); unmap_regs: @@ -787,7 +803,9 @@ static int g2d_remove(struct platform_device *pdev) v4l2_device_unregister(&dev->v4l2_dev); vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); free_irq(dev->irq, dev); + clk_unprepare(dev->gate); clk_put(dev->gate); + clk_unprepare(dev->clk); clk_put(dev->clk); iounmap(dev->regs); release_resource(dev->res_regs); |