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[13/15] staging: vt6655: always set 32 bit dma mask

Message ID 1437589007-5479-13-git-send-email-tvboxspy@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Kalle Valo
Headers show

Commit Message

Malcolm Priestley July 22, 2015, 6:16 p.m. UTC 
The device is limited to 32 bit address space.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
---
 drivers/staging/vt6655/device_main.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index c82bf48..c97353b 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1747,6 +1747,12 @@  vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent)
 		return -ENODEV;
 	}
 
+	if (dma_set_mask(&pcid->dev, DMA_BIT_MASK(32))) {
+		dev_err(&pcid->dev, ": Failed to set dma 32 bit mask\n");
+		device_free_info(priv);
+		return -ENODEV;
+	}
+
 	INIT_WORK(&priv->interrupt_work, vnt_interrupt_work);
 
 	/* do reset */