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authorKishon Vijay Abraham I <kishon@ti.com>2013-03-07 18:51:43 +0530
committerFelipe Balbi <balbi@ti.com>2013-03-18 11:18:14 +0200
commitddff14f1ab9b55b73ba59126ef4a10966725fc9d (patch)
tree803dce8a9343fdc8ea426df5129d39cde9126bb8 /drivers/usb/dwc3
parentd4436c3a6e4ea3000b794eb61e0fc1db46d14175 (diff)
downloadlinux-linaro-stable-ddff14f1ab9b55b73ba59126ef4a10966725fc9d.tar.gz
usb: dwc3: set dma_mask for dwc3_omap device
*dma_mask* is not set for devices created from dt data. So filled dma_mask for dwc3_omap device here. And dwc3 core will copy the dma_mask from its parent. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/core.c4
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c3
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 66c05725daf3..c845e7087069 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -454,6 +454,10 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->regs_size = resource_size(res);
dwc->dev = dev;
+ dev->dma_mask = dev->parent->dma_mask;
+ dev->dma_parms = dev->parent->dma_parms;
+ dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
+
if (!strncmp("super", maximum_speed, 5))
dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
else if (!strncmp("high", maximum_speed, 4))
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 35b9673b84df..546f1fd84920 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -277,6 +277,8 @@ static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, 0x00);
}
+static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32);
+
static int dwc3_omap_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
@@ -330,6 +332,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
omap->dev = dev;
omap->irq = irq;
omap->base = base;
+ dev->dma_mask = &dwc3_omap_dma_mask;
/*
* REVISIT if we ever have two instances of the wrapper, we will be