[PATCH 3.16 174/217] usb: dwc3: keystone: drop dma_mask configuration

From: Ben Hutchings
Date: Tue Apr 26 2016 - 19:14:15 EST


3.16.35-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Grygorii Strashko <grygorii.strashko@xxxxxx>

commit adf9a3ab90eb44e57f9dbf757acd897838b5ec21 upstream.

The Keystone 2 supports DT-boot only, as result dma_mask will be
always configured properly from DT -
of_platform_device_create_pdata()->of_dma_configure(). More over,
dwc3-keystone.c can be built as module and in this case it's unsafe to
assign local variable as dma_mask.

Hence, remove dma_mask configuration code.

Cc: Murali Karicheri <m-karicheri2@xxxxxx>
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-keystone.c | 5 -----
1 file changed, 5 deletions(-)

--- a/drivers/usb/dwc3/dwc3-keystone.c
+++ b/drivers/usb/dwc3/dwc3-keystone.c
@@ -39,8 +39,6 @@
#define USBSS_IRQ_COREIRQ_EN BIT(0)
#define USBSS_IRQ_COREIRQ_CLR BIT(0)

-static u64 kdwc3_dma_mask;
-
struct dwc3_keystone {
struct device *dev;
struct clk *clk;
@@ -113,9 +111,6 @@ static int kdwc3_probe(struct platform_d
if (IS_ERR(kdwc->usbss))
return PTR_ERR(kdwc->usbss);

- kdwc3_dma_mask = dma_get_mask(dev);
- dev->dma_mask = &kdwc3_dma_mask;
-
kdwc->clk = devm_clk_get(kdwc->dev, "usb");

error = clk_prepare_enable(kdwc->clk);