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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-06-10 19:28:49 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-10-31 18:49:01 +0400
commit22d9d8e8316d7f69046c8805ce9aa8d9c43d4e5b (patch)
tree08dac036c1fdeb9c49940b3a7760860849eee65c /drivers/usb/host/ohci-nxp.c
parent93b11b2584ab6832cb279db731daa58442baac65 (diff)
downloadlinux-22d9d8e8316d7f69046c8805ce9aa8d9c43d4e5b.tar.xz
DMA-API: usb: use dma_set_coherent_mask()
The correct way for a driver to specify the coherent DMA mask is not to directly access the field in the struct device, but to use dma_set_coherent_mask(). Only arch and bus code should access this member directly. Convert all direct write accesses to using the correct API. Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/usb/host/ohci-nxp.c')
-rw-r--r--drivers/usb/host/ohci-nxp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c
index 7d7d507d54e8..5f82db409d65 100644
--- a/drivers/usb/host/ohci-nxp.c
+++ b/drivers/usb/host/ohci-nxp.c
@@ -226,8 +226,10 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
}
- pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+ ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (ret)
+ goto fail_disable;
dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (nxp)\n", hcd_name);
if (usb_disabled()) {