redonkable/alistair23-linux
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media: coda: add lockdep asserts

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coda_command_sync, coda_hw_reset, and __coda_start_decoding
all expect to be called under the coda_mutex device lock.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Philipp Zabel 2019-04-12 11:51:33 -04:00 committed by Mauro Carvalho Chehab
parent 8a8621ba01
commit 7edd18b64a
1 changed files with 6 additions and 0 deletions
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6
drivers/media/platform/coda/coda-bit.c
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@ -102,6 +102,8 @@ static int coda_command_sync(struct coda_ctx *ctx, int cmd)
struct coda_dev *dev = ctx->dev;
int ret;
lockdep_assert_held(&dev->coda_mutex);
coda_command_async(ctx, cmd);
ret = coda_wait_timeout(dev);
trace_coda_bit_done(ctx);
@ -116,6 +118,8 @@ int coda_hw_reset(struct coda_ctx *ctx)
unsigned int idx;
int ret;
lockdep_assert_held(&dev->coda_mutex);
if (!dev->rstc)
return -ENOENT;
@ -1676,6 +1680,8 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
u32 val;
int ret;
lockdep_assert_held(&dev->coda_mutex);
coda_dbg(1, ctx, "Video Data Order Adapter: %s\n",
ctx->use_vdoa ? "Enabled" : "Disabled");