[PATCH v15 20/56] media: dvb-frontends: rtl2832: Stop direct calls to queue num_buffers field
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-11-09 16:38:08
Also in:
linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml
Subsystem:
media input infrastructure (v4l/dvb), rtl2832 media driver, rtl2832_sdr media driver, 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 future. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Andrzej Pietrasiewicz <redacted> CC: Antti Palosaari <redacted> --- drivers/media/dvb-frontends/rtl2832_sdr.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 02c619e51641..023db6e793f8 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c@@ -439,12 +439,13 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq, { struct rtl2832_sdr_dev *dev = vb2_get_drv_priv(vq); struct platform_device *pdev = dev->pdev; + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(&pdev->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); dev_dbg(&pdev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]);
--
2.39.2
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