openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

media: cedrus: Get rid of interrupt bottom-half 

Now that the mem2mem framework guarantees that .device_run
won't be called from interrupt context, it is safe to call
v4l2_m2m_job_finish directly in the top-half.

So this means the bottom-half is no longer needed and we
can get rid of it.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Ezequiel Garcia 2018-10-18 14:02:24 -04:00 committed by Mauro Carvalho Chehab
parent cbd9463da1
commit 949f29f607
1 changed files with 5 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/staging/media/sunxi/cedrus/cedrus_hw.c
View File

@ -98,23 +98,6 @@ void cedrus_dst_format_set(struct cedrus_dev *dev,
}
}
static irqreturn_t cedrus_bh(int irq, void *data)
{
struct cedrus_dev *dev = data;
struct cedrus_ctx *ctx;
ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev);
if (!ctx) {
v4l2_err(&dev->v4l2_dev,
"Instance released before the end of transaction\n");
return IRQ_HANDLED;
}
v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
return IRQ_HANDLED;
}
static irqreturn_t cedrus_irq(int irq, void *data)
{
struct cedrus_dev *dev = data;
@ -165,7 +148,9 @@ static irqreturn_t cedrus_irq(int irq, void *data)
spin_unlock_irqrestore(&dev->irq_lock, flags);
return IRQ_WAKE_THREAD;
v4l2_m2m_job_finish(ctx->dev->m2m_dev, ctx->fh.m2m_ctx);
return IRQ_HANDLED;
}
int cedrus_hw_probe(struct cedrus_dev *dev)
@ -187,9 +172,8 @@ int cedrus_hw_probe(struct cedrus_dev *dev)
return irq_dec;
}
ret = devm_request_threaded_irq(dev->dev, irq_dec, cedrus_irq,
cedrus_bh, 0, dev_name(dev->dev),
dev);
ret = devm_request_irq(dev->dev, irq_dec, cedrus_irq,
0, dev_name(dev->dev), dev);
if (ret) {
v4l2_err(&dev->v4l2_dev, "Failed to request IRQ\n");