| Message ID | 20231031163104.112469-42-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze: > Use vb2_get_num_buffers() to avoid using queue num_buffers field directly. > This allows us to change how the number of buffers is computed in the > future. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> > CC: Antti Palosaari <crope@iki.fi> > --- > drivers/media/usb/hackrf/hackrf.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c > index 3e535be2c520..9c0ecd5f056c 100644 > --- a/drivers/media/usb/hackrf/hackrf.c > +++ b/drivers/media/usb/hackrf/hackrf.c > @@ -753,12 +753,13 @@ static int hackrf_queue_setup(struct vb2_queue *vq, > unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) > { > struct hackrf_dev *dev = vb2_get_drv_priv(vq); > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > > dev_dbg(dev->dev, "nbuffers=%d\n", *nbuffers); > > /* Need at least 8 buffers */ > - if (vq->num_buffers + *nbuffers < 8) > - *nbuffers = 8 - vq->num_buffers; > + if (q_num_bufs + *nbuffers < 8) > + *nbuffers = 8 - q_num_bufs; > *nplanes = 1; > sizes[0] = PAGE_ALIGN(dev->buffersize); >
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index 3e535be2c520..9c0ecd5f056c 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -753,12 +753,13 @@ static int hackrf_queue_setup(struct vb2_queue *vq, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct hackrf_dev *dev = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(dev->dev, "nbuffers=%d\n", *nbuffers); /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers = 8 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 8) + *nbuffers = 8 - q_num_bufs; *nplanes = 1; sizes[0] = PAGE_ALIGN(dev->buffersize);
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly. This allows us to change how the number of buffers is computed in the future. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> CC: Antti Palosaari <crope@iki.fi> --- drivers/media/usb/hackrf/hackrf.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)