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| author | Andrzej Hajda <a.hajda@samsung.com> | 2013-07-19 10:39:53 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-24 07:53:25 (GMT) |
| commit | a5b5f3bec2bdc9a61b8f8190a3b3c32c64f19525 (patch) | |
| tree | 2afb7dcfd32839eebe28e989ad7190c284cd5aeb /drivers/media/platform | |
| parent | 915b034f81da8e2b6ebcfde8540d2d4ea5d6c133 (diff) | |
| download | linux-fsl-qoriq-a5b5f3bec2bdc9a61b8f8190a3b3c32c64f19525.tar.xz | |
[media] exynos4-is: Ensure the FIMC gate clock is disabled at driver remove()
The patch fixes following warning:
[ 9664.460000] WARNING: CPU: 0 PID: 2880 at drivers/clk/clk.c:695 __clk_unprepare+0x8c/0xa4()
[ 9664.470000] Modules linked in: m5mols s5k5baf s5p_fimc(-) ipv6 s5p_csis v4l2_mem2mem videobuf2_dma_contig videobuf2_memops exynos4_is_common videobuf2_core [last unloaded: m5mols]
[ 9664.485000] CPU: 0 PID: 2880 Comm: rmmod Tainted: G W 3.11.0-rc1-00070-ga94e22f-dirty #1558
[ 9664.495000] [<c0014aec>] (unwind_backtrace+0x0/0xf8) from [<c0011574>] (show_stack+0x10/0x14)
[ 9664.505000] [<c0011574>] (show_stack+0x10/0x14) from [<c038b248>] (dump_stack+0x6c/0xac)
[ 9664.510000] [<c038b248>] (dump_stack+0x6c/0xac) from [<c001d824>] (warn_slowpath_common+0x64/0x88)
[ 9664.520000] [<c001d824>] (warn_slowpath_common+0x64/0x88) from [<c001d864>] (warn_slowpath_null+0x1c/0x24)
[ 9664.530000] [<c001d864>] (warn_slowpath_null+0x1c/0x24) from [<c02f0b9c>] (__clk_unprepare+0x8c/0xa4)
[ 9664.540000] [<c02f0b9c>] (__clk_unprepare+0x8c/0xa4) from [<c02f0bc8>] (clk_unprepare+0x14/0x1c)
[ 9664.550000] [<c02f0bc8>] (clk_unprepare+0x14/0x1c) from [<bf191344>] (fimc_clk_put+0x3c/0x5c [s5p_fimc])
[ 9664.560000] [<bf191344>] (fimc_clk_put+0x3c/0x5c [s5p_fimc]) from [<bf1913c0>] (fimc_remove+0x5c/0x90 [s5p_fimc])
[ 9664.570000] [<bf1913c0>] (fimc_remove+0x5c/0x90 [s5p_fimc]) from [<c0219ca0>] (platform_drv_remove+0x18/0x1c)
[ 9664.580000] [<c0219ca0>] (platform_drv_remove+0x18/0x1c) from [<c021856c>] (__device_release_driver+0x70/0xcc)
[ 9664.590000] [<c021856c>] (__device_release_driver+0x70/0xcc) from [<c0218d54>] (driver_detach+0xac/0xb0)
[ 9664.595000] [<c0218d54>] (driver_detach+0xac/0xb0) from [<c021839c>] (bus_remove_driver+0x7c/0xc0)
[ 9664.605000] [<c021839c>] (bus_remove_driver+0x7c/0xc0) from [<c00659d8>] (SyS_delete_module+0x11c/0x204)
[ 9664.615000] [<c00659d8>] (SyS_delete_module+0x11c/0x204) from [<c000e360>] (ret_fast_syscall+0x0/0x30)
[ 9664.625000] ---[ end trace 662c092cce432c8d ]---
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/exynos4-is/fimc-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-core.c b/drivers/media/platform/exynos4-is/fimc-core.c index 6489c51..3d66d88 100644 --- a/drivers/media/platform/exynos4-is/fimc-core.c +++ b/drivers/media/platform/exynos4-is/fimc-core.c @@ -1110,6 +1110,8 @@ static int fimc_remove(struct platform_device *pdev) struct fimc_dev *fimc = platform_get_drvdata(pdev); pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + clk_disable(fimc->clock[CLK_GATE]); pm_runtime_set_suspended(&pdev->dev); fimc_unregister_capture_subdev(fimc); |