media: coda: add lockdep asserts (7edd18b6) · Commits · 戴 / test

coda_command_sync, coda_hw_reset, and __coda_start_decoding all expect to be called under the coda_mutex device lock. Signed-off-by:

drivers/media/platform/coda/coda-bit.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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");