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From: Philipp Zabel <p.zabel@pengutronix.de>
To: linux-media@vger.kernel.org
Cc: kernel@pengutronix.de
Subject: [PATCH 11/13] media: coda: add lockdep asserts
Date: Fri, 12 Apr 2019 17:51:33 +0200	[thread overview]
Message-ID: <20190412155135.13907-11-p.zabel@pengutronix.de> (raw)
In-Reply-To: <20190412155135.13907-1-p.zabel@pengutronix.de>

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>
---
 drivers/media/platform/coda/coda-bit.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index d774a5aaa422..2b73e023b191 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -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");
 
-- 
2.20.1


  parent reply	other threads:[~2019-04-12 15:51 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-12 15:51 [PATCH 01/13] media: coda: move register debugging to coda_debug level 3 Philipp Zabel
2019-04-12 15:51 ` [PATCH 02/13] media: coda: move job ready message to coda_debug level 2 Philipp Zabel
2019-04-12 15:51 ` [PATCH 03/13] media: coda: add coda_frame_type_char helper Philipp Zabel
2019-04-12 15:51 ` [PATCH 04/13] media: coda: improve decoder job finished debug message Philipp Zabel
2019-04-12 15:51 ` [PATCH 05/13] media: coda: demote s_ctrl debug messages to level 2 Philipp Zabel
2019-04-12 15:51 ` [PATCH 06/13] media: coda: add menu strings to s_ctrl debug output Philipp Zabel
2019-04-12 15:51 ` [PATCH 07/13] media: coda: update profile and level controls after sequence initialization Philipp Zabel
2019-04-12 15:51 ` [PATCH 08/13] media: coda: add decoder MPEG-4 profile and level controls Philipp Zabel
2019-05-21 11:29   ` Mauro Carvalho Chehab
2019-05-22  9:09     ` [PATCH v2] " Philipp Zabel
2019-05-27 12:19       ` [PATCH v3] " Philipp Zabel
2019-04-12 15:51 ` [PATCH 09/13] media: v4l2-ctrl: add MPEG-2 " Philipp Zabel
2019-04-24  9:29   ` Hans Verkuil
2019-04-24 10:43   ` [PATCH v2] " Philipp Zabel
2019-04-12 15:51 ` [PATCH 10/13] media: coda: add decoder " Philipp Zabel
2019-05-27 12:20   ` [PATCH v2] " Philipp Zabel
2019-04-12 15:51 ` Philipp Zabel [this message]
2019-04-12 15:51 ` [PATCH 12/13] media: coda: use v4l2_m2m_buf_copy_metadata Philipp Zabel
2019-04-12 15:51 ` [PATCH 13/13] media: coda: fix unset field and fail on invalid field in buf_prepare Philipp Zabel
2019-04-25 18:55   ` Ezequiel Garcia

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