diff options
| author | Wan Jiabing <wanjiabing@vivo.com> | 2022-05-16 15:13:30 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-06-20 11:30:30 +0200 |
| commit | 97185c4585678af316873d4e9725af9dc3796d9e (patch) | |
| tree | 8afd06235facf0458bfc9005429529d751c0cb31 /drivers/media/platform | |
| parent | media: usbtv: Add PAL-Nc standard (diff) | |
| download | linux-97185c4585678af316873d4e9725af9dc3796d9e.tar.xz linux-97185c4585678af316873d4e9725af9dc3796d9e.zip | |
media: st-delta: Remove unneeded NULL check in delta-v4l2
clk_prepare_enable() already checks NULL by using !clk.
clk_disable_unprepare() already checks NULL by using IS_ERR_OR_NULL.
Remove unneeded NULL checks before them.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/st/sti/delta/delta-v4l2.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/media/platform/st/sti/delta/delta-v4l2.c b/drivers/media/platform/st/sti/delta/delta-v4l2.c index 420ad4d8df5d..03eaee6d15da 100644 --- a/drivers/media/platform/st/sti/delta/delta-v4l2.c +++ b/drivers/media/platform/st/sti/delta/delta-v4l2.c @@ -1669,14 +1669,12 @@ static int delta_open(struct file *file) set_default_params(ctx); /* enable ST231 clocks */ - if (delta->clk_st231) - if (clk_prepare_enable(delta->clk_st231)) - dev_warn(delta->dev, "failed to enable st231 clk\n"); + if (clk_prepare_enable(delta->clk_st231)) + dev_warn(delta->dev, "failed to enable st231 clk\n"); /* enable FLASH_PROMIP clock */ - if (delta->clk_flash_promip) - if (clk_prepare_enable(delta->clk_flash_promip)) - dev_warn(delta->dev, "failed to enable delta promip clk\n"); + if (clk_prepare_enable(delta->clk_flash_promip)) + dev_warn(delta->dev, "failed to enable delta promip clk\n"); mutex_unlock(&delta->lock); @@ -1717,12 +1715,10 @@ static int delta_release(struct file *file) v4l2_fh_exit(&ctx->fh); /* disable ST231 clocks */ - if (delta->clk_st231) - clk_disable_unprepare(delta->clk_st231); + clk_disable_unprepare(delta->clk_st231); /* disable FLASH_PROMIP clock */ - if (delta->clk_flash_promip) - clk_disable_unprepare(delta->clk_flash_promip); + clk_disable_unprepare(delta->clk_flash_promip); dev_dbg(delta->dev, "%s decoder instance released\n", ctx->name); @@ -1926,8 +1922,7 @@ static int delta_runtime_suspend(struct device *dev) { struct delta_dev *delta = dev_get_drvdata(dev); - if (delta->clk_delta) - clk_disable_unprepare(delta->clk_delta); + clk_disable_unprepare(delta->clk_delta); return 0; } @@ -1936,9 +1931,8 @@ static int delta_runtime_resume(struct device *dev) { struct delta_dev *delta = dev_get_drvdata(dev); - if (delta->clk_delta) - if (clk_prepare_enable(delta->clk_delta)) - dev_warn(dev, "failed to prepare/enable delta clk\n"); + if (clk_prepare_enable(delta->clk_delta)) + dev_warn(dev, "failed to prepare/enable delta clk\n"); return 0; } |