]> git.karo-electronics.de Git - linux-beck.git/commitdiff
arch/arm/plat-mxc/ehci.c: fix errors/typos
authorArnaud Patard (Rtp) <arnaud.patard@rtp-net.org>
Mon, 20 Dec 2010 15:48:56 +0000 (16:48 +0100)
committerSascha Hauer <s.hauer@pengutronix.de>
Mon, 3 Jan 2011 09:19:48 +0000 (10:19 +0100)
This patch is fixing some issues :

- MXC_OTG_UCTRL_OPM_BIT is for USBCTRL register and not PHYCTRL register.
- the MXC_EHCI_WAKEUP_ENABLED check was only clearing the bits so never allows
  to set them.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
arch/arm/plat-mxc/ehci.c

index d59f5feb3c548b466713495de4aa2b14a9c1053e..a45660301b08981ac2ee3b430a66fdbc8d5d1bec 100644 (file)
@@ -278,10 +278,13 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
                        if (flags & MXC_EHCI_INTERNAL_PHY) {
                                v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
 
-                               if (flags & MXC_EHCI_POWER_PINS_ENABLED)
-                                       v |= (MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is not used */
-                               else
-                                       v &= ~(MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is used */
+                               if (flags & MXC_EHCI_POWER_PINS_ENABLED) {
+                                       /* OC/USBPWR is not used */
+                                       v |= MXC_OTG_PHYCTRL_OC_DIS_BIT;
+                               } else {
+                                       /* OC/USBPWR is used */
+                                       v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT;
+                               }
                                __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
 
                                v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
@@ -289,16 +292,23 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
                                        v |= MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup enable */
                                else
                                        v &= ~MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup disable */
+                               if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+                                       v |= MXC_OTG_UCTRL_OPM_BIT;
+                               else
+                                       v &= ~MXC_OTG_UCTRL_OPM_BIT;
                                __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
                        }
                        break;
                case 1: /* Host 1 */
                        /*Host ULPI */
                        v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
-                       if (flags & MXC_EHCI_WAKEUP_ENABLED)
-                               v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
-                       else
-                               v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
+                       if (flags & MXC_EHCI_WAKEUP_ENABLED) {
+                               /* HOST1 wakeup/ULPI intr enable */
+                               v |= (MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);
+                       } else {
+                               /* HOST1 wakeup/ULPI intr disable */
+                               v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);
+                       }
 
                        if (flags & MXC_EHCI_POWER_PINS_ENABLED)
                                v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/