diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2013-01-18 20:52:38 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-02-06 15:41:17 +0400 |
| commit | 8cd5d42ac6d75143ab4bf44a15f76245a7f6c884 (patch) | |
| tree | faf5be99ab17302ded0757a75bfa40c84ee1e3f0 | |
| parent | 05c79d0d1d0d44c2195d63d1e7c62e358eadeadf (diff) | |
| download | linux-8cd5d42ac6d75143ab4bf44a15f76245a7f6c884.tar.xz | |
[media] s5p-csis: Fix clock handling on error path in probe()
Move e_clkput label after the clk_disable() call so a not acquired clock
is not attempted to be disabled. This fixes runtime warnings like:
s5p-mipi-csis 11880000.csis: failed to get clock: sclk_csis
------------[ cut here ]------------
WARNING: at drivers/clk/clk.c:478 clk_disable+0x24/0x34()
Modules linked in:
[<c001603c>] (unwind_backtrace+0x0/0x13c) from [<c0022060>] (warn_slowpath_common+0x54/0x64)
[<c0022060>] (warn_slowpath_common+0x54/0x64) from [<c002208c>] (warn_slowpath_null+0x1c/0x24)
[<c002208c>] (warn_slowpath_null+0x1c/0x24) from [<c033f868>] (clk_disable+0x24/0x34)
[<c033f868>] (clk_disable+0x24/0x34) from [<c02feff8>] (s5pcsis_probe+0x25c/0x4c8)
[<c02feff8>] (s5pcsis_probe+0x25c/0x4c8) from [<c0268e34>] (platform_drv_probe+0x18/0x1c)
[<c0268e34>] (platform_drv_probe+0x18/0x1c) from [<c0267700>] (driver_probe_device+0xa4/0x368)
[<c0267700>] (driver_probe_device+0xa4/0x368) from [<c0267a50>] (__driver_attach+0x8c/0x90)
[<c0267a50>] (__driver_attach+0x8c/0x90) from [<c0265c94>] (bus_for_each_dev+0x60/0x8c)
[<c0265c94>] (bus_for_each_dev+0x60/0x8c) from [<c02665e8>] (bus_add_driver+0x20c/0x2d4)
[<c02665e8>] (bus_add_driver+0x20c/0x2d4) from [<c0268064>] (driver_register+0x78/0x194)
[<c0268064>] (driver_register+0x78/0x194) from [<c0008668>] (do_one_initcall+0x34/0x188)
[<c0008668>] (do_one_initcall+0x34/0x188) from [<c03de57c>] (kernel_init+0x180/0x2f0)
[<c03de57c>] (kernel_init+0x180/0x2f0) from [<c000f0d8>] (ret_from_fork+0x14/0x3c)
---[ end trace 0c5a55345c42530b ]---
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/platform/s5p-fimc/mipi-csis.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/platform/s5p-fimc/mipi-csis.c b/drivers/media/platform/s5p-fimc/mipi-csis.c index 1cc6501c213f..981863d05aaa 100644 --- a/drivers/media/platform/s5p-fimc/mipi-csis.c +++ b/drivers/media/platform/s5p-fimc/mipi-csis.c @@ -771,7 +771,7 @@ static int s5pcsis_probe(struct platform_device *pdev) 0, dev_name(&pdev->dev), state); if (ret) { dev_err(&pdev->dev, "Interrupt request failed\n"); - goto e_clkput; + goto e_clkdis; } v4l2_subdev_init(&state->sd, &s5pcsis_subdev_ops); @@ -789,7 +789,7 @@ static int s5pcsis_probe(struct platform_device *pdev) ret = media_entity_init(&state->sd.entity, CSIS_PADS_NUM, state->pads, 0); if (ret < 0) - goto e_clkput; + goto e_clkdis; /* This allows to retrieve the platform device id by the host driver */ v4l2_set_subdevdata(&state->sd, pdev); @@ -802,8 +802,9 @@ static int s5pcsis_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); return 0; -e_clkput: +e_clkdis: clk_disable(state->clock[CSIS_CLK_MUX]); +e_clkput: s5pcsis_clk_put(state); return ret; } |