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authorBenjamin Gaignard <benjamin.gaignard@linaro.org>2016-05-30 19:53:10 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-01 09:41:32 +0200
commitac851bf14b40efde78c1c346d4ff0a8f0e2b83ce (patch)
tree770b9d7305ebb317a108c3afc271a83f079e650a /drivers/gpu/drm/sti/sti_dvo.c
parentbd884b74bb29204e8c4d8af4a9d9dc70368c81d1 (diff)
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_dvo.c')
-rw-r--r--drivers/gpu/drm/sti/sti_dvo.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
index 25f76632002c..d439128e6309 100644
--- a/drivers/gpu/drm/sti/sti_dvo.c
+++ b/drivers/gpu/drm/sti/sti_dvo.c
@@ -177,12 +177,6 @@ static int dvo_dbg_show(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct sti_dvo *dvo = (struct sti_dvo *)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, "DVO: (vaddr = 0x%p)", dvo->regs);
DBGFS_DUMP(DVO_AWG_DIGSYNC_CTRL);
@@ -193,7 +187,6 @@ static int dvo_dbg_show(struct seq_file *s, void *data)
dvo_dbg_awg_microcode(s, dvo->regs + DVO_DIGSYNC_INSTR_I);
seq_puts(s, "\n");
- mutex_unlock(&dev->struct_mutex);
return 0;
}