Hello.
On 07-10-2012 3:09, Tony Prisk wrote:
Device-tree probed devices don't get a dev.dma_mask set. This patch
sets a default 32bit mask on platforms using devicetree.
Without this patch, arch-vt8500 cannot detect uhci attached devices.
Signed-off-by: Tony Prisk<li...@prisktech.co.nz>
---
drivers/usb/host/uhci-platform.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index e478049..5359960 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
[...]
@@ -82,7 +91,7 @@ static int __devinit uhci_hcd_platform_probe(struct
platform_device *pdev)
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_err("%s: request_mem_region failed\n", __func__);
- ret = -EBUSY;
+ ret = -EBUSY;static u64 platform_uhci_dma_mask =
DMA_BIT_MASK(32);
Er?
WBR, Sergei
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