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authorKamil Debski <k.debski@samsung.com>2012-02-16 10:51:28 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-08 07:42:40 -0300
commit11a37c709797cc56f48905e68a3099b79cf08850 (patch)
treecf1a4a2f10e328f1cf670570f916af68725d6297 /drivers/media/video/s5p-g2d
parent570d2a48b700948e2ee0cadb184942ce426ae577 (diff)
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[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.c22
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 febaa67..351080a 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);