[PATCH v2 12/13] wil6210: set dma mask to reflect device capability
From: Maya Erez <hidden>
Date: 2017-01-12 13:15:23
Subsystem:
atheros ath generic utilities, the rest, wilocity wil6210 wireless driver · Maintainers:
Jeff Johnson, Linus Torvalds
From: Hamad Kadmany <redacted> 11ad device supports 48 bit addresses, reflect that by setting the dma mask accordingly. Signed-off-by: Hamad Kadmany <redacted> Signed-off-by: Maya Erez <redacted> --- drivers/net/wireless/ath/wil6210/pcie_bus.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index e891068..3a63e98 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c@@ -205,6 +205,19 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) return -ENODEV; } + /* device supports 48bit addresses */ + rc = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48)); + if (rc) { + dev_err(dev, "dma_set_mask_and_coherent(48) failed: %d\n", rc); + rc = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(dev, + "dma_set_mask_and_coherent(32) failed: %d\n", + rc); + return rc; + } + } + wil = wil_if_alloc(dev); if (IS_ERR(wil)) { rc = (int)PTR_ERR(wil);
--
1.9.1