From: hugues.fruchet@st.com (Hugues Fruchet)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] media: stm32-dcmi: return buffer in error state on dma error
Date: Mon, 11 Jun 2018 11:50:25 +0200 [thread overview]
Message-ID: <1528710627-8566-3-git-send-email-hugues.fruchet@st.com> (raw)
In-Reply-To: <1528710627-8566-1-git-send-email-hugues.fruchet@st.com>
Return buffer to V4L2 in error state if DMA error occurs.
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
---
drivers/media/platform/stm32/stm32-dcmi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index a3fbfac..6ccf195 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -262,6 +262,9 @@ static void dcmi_dma_callback(void *param)
break;
case DMA_ERROR:
dev_err(dcmi->dev, "%s: Received DMA_ERROR\n", __func__);
+
+ /* Return buffer to V4L2 in error state */
+ dcmi_buffer_done(dcmi, buf, 0, -EIO);
break;
case DMA_COMPLETE:
dev_dbg(dcmi->dev, "%s: Received DMA_COMPLETE\n", __func__);
--
1.9.1
next prev parent reply other threads:[~2018-06-11 9:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-11 9:50 [PATCH 0/4] Revisit and fix DCMI buffers handling Hugues Fruchet
2018-06-11 9:50 ` [PATCH 1/4] media: stm32-dcmi: do not fall into error on buffer starvation Hugues Fruchet
2018-06-11 9:50 ` Hugues Fruchet [this message]
2018-06-11 9:50 ` [PATCH 3/4] media: stm32-dcmi: clarify state logic " Hugues Fruchet
2018-06-11 9:50 ` [PATCH 4/4] media: stm32-dcmi: revisit buffer list management Hugues Fruchet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1528710627-8566-3-git-send-email-hugues.fruchet@st.com \
--to=hugues.fruchet@st.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox