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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2016-05-30 20:53:10 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-01 10:41:32 +0300
commitac851bf14b40efde78c1c346d4ff0a8f0e2b83ce (patch)
tree770b9d7305ebb317a108c3afc271a83f079e650a /drivers/gpu/drm/sti/sti_mixer.c
parentbd884b74bb29204e8c4d8af4a9d9dc70368c81d1 (diff)
downloadlinux-ac851bf14b40efde78c1c346d4ff0a8f0e2b83ce.tar.xz
drm: sti: remove useless call to dev->struct_mutex
No need to protect debugfs functions with dev->struct_mutex Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1464630800-30786-19-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/sti/sti_mixer.c')
-rw-r--r--drivers/gpu/drm/sti/sti_mixer.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index aed7801b51f7..6f86f2b2b6a5 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -151,12 +151,6 @@ static int mixer_dbg_show(struct seq_file *s, void *arg)
{
struct drm_info_node *node = s->private;
struct sti_mixer *mixer = (struct sti_mixer *)node->info_ent->data;
- struct drm_device *dev = node->minor->dev;
- int ret;
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- return ret;
seq_printf(s, "%s: (vaddr = 0x%p)",
sti_mixer_to_str(mixer), mixer->regs);
@@ -176,7 +170,6 @@ static int mixer_dbg_show(struct seq_file *s, void *arg)
mixer_dbg_mxn(s, mixer->regs + GAM_MIXER_MX0);
seq_puts(s, "\n");
- mutex_unlock(&dev->struct_mutex);
return 0;
}