Merge branch 'master' into for-next

Sync up with Linus' tree to be able to apply Cesar's patch
against newer version of the code.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 21 insertions, 1 deletions

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index a68ff53124dc..c14ebc975ba4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -50,6 +50,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/of.h>
 
+#include <linux/usb/otg.h>
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 
@@ -99,6 +100,7 @@ void dwc3_put_device_id(int id)
 
 	ret = test_bit(id, dwc3_devs);
 	WARN(!ret, "dwc3: ID %d not in use\n", id);
+	smp_mb__before_clear_bit();
 	clear_bit(id, dwc3_devs);
 }
 EXPORT_SYMBOL_GPL(dwc3_put_device_id);
@@ -136,6 +138,8 @@ static void dwc3_core_soft_reset(struct dwc3 *dwc)
 	reg |= DWC3_GUSB2PHYCFG_PHYSOFTRST;
 	dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
 
+	usb_phy_init(dwc->usb2_phy);
+	usb_phy_init(dwc->usb3_phy);
 	mdelay(100);
 
 	/* Clear USB3 PHY reset */
@@ -405,6 +409,10 @@ static void dwc3_core_exit(struct dwc3 *dwc)
 {
 	dwc3_event_buffers_cleanup(dwc);
 	dwc3_free_event_buffers(dwc);
+
+	usb_phy_shutdown(dwc->usb2_phy);
+	usb_phy_shutdown(dwc->usb3_phy);
+
 }
 
 #define DWC3_ALIGN_MASK		(16 - 1)
@@ -464,12 +472,24 @@ static int __devinit dwc3_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	regs = devm_ioremap(dev, res->start, resource_size(res));
+	regs = devm_ioremap_nocache(dev, res->start, resource_size(res));
 	if (!regs) {
 		dev_err(dev, "ioremap failed\n");
 		return -ENOMEM;
 	}
 
+	dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
+	if (IS_ERR_OR_NULL(dwc->usb2_phy)) {
+		dev_err(dev, "no usb2 phy configured\n");
+		return -EPROBE_DEFER;
+	}
+
+	dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3);
+	if (IS_ERR_OR_NULL(dwc->usb3_phy)) {
+		dev_err(dev, "no usb3 phy configured\n");
+		return -EPROBE_DEFER;
+	}
+
 	spin_lock_init(&dwc->lock);
 	platform_set_drvdata(pdev, dwc);