On 20/09/2013 00:01, Russell King :
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.
Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
---
drivers/usb/chipidea/ci_hdrc_imx.c | 5 +++--
drivers/usb/dwc3/dwc3-exynos.c | 5 +++--
drivers/usb/gadget/lpc32xx_udc.c | 4 +++-
drivers/usb/host/ehci-atmel.c | 5 +++--
For Atmel driver:
Acked-by: Nicolas Ferre <nicolas.fe...@atmel.com>
[..]
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 3b645ff..5831a88 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -92,8 +92,9 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev)
*/
if (!pdev->dev.dma_mask)
pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
- if (!pdev->dev.coherent_dma_mask)
- pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+ retval = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (retval)
+ goto fail_create_hcd;
hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
if (!hcd) {
[..]
Thanks,
--
Nicolas Ferre
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