[PATCH v12 39/56] media: usb: Stop direct calls to queue num_buffers field
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-10-17 14:50:55
Also in:
linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml
Subsystem:
airspy media driver, media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
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 futur. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- drivers/media/usb/airspy/airspy.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index 462eb8423506..e24e655fb1db 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c@@ -482,12 +482,13 @@ static int airspy_queue_setup(struct vb2_queue *vq, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct airspy *s = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(s->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(s->buffersize);
--
2.39.2
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel