media: zoran: device support only 32bit DMA address

The zoran device only supports 32bit DMA address. Signed-off-by: Corentin Labbe <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
jangid · Oct 1, 2020 · d4ae368 · d4ae368
1 parent b8fb0a4
commit d4ae368
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c
@@ -1111,6 +1111,12 @@ 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) {