diff mbox series

[RFT/RFC,40/49] staging: media: zoran: device support only 32bit DMA address

Message ID 1600683624-5863-41-git-send-email-clabbe@baylibre.com (mailing list archive)
State New, archived
Headers show
Series staging: media: bring back zoran driver | expand

Commit Message

Corentin LABBE Sept. 21, 2020, 10:20 a.m. UTC 
The zoran device only supports 32bit DMA address.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
 drivers/staging/media/zoran/zoran_card.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c
index 864196e7acae..ab16a70a7451 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -1101,6 +1101,12 @@  static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	int card_num;
 	const char *codec_name, *vfe_name;
 	unsigned int nr;
+	int err;
+
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+	if (err)
+		return -ENODEV;
+	vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
 
 	nr = zoran_num++;
 	if (nr >= BUZ_MAX) {