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arch/arm/plat-mxc/ehci.c: fix errors/typos
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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>
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Arnaud Patard (Rtp) authored and Sascha Hauer committed Jan 3, 2011
1 parent 0d95b75 commit 08406f5
Showing 1 changed file with 18 additions and 8 deletions.
26 changes: 18 additions & 8 deletions arch/arm/plat-mxc/ehci.c
Original file line number Diff line number Diff line change
Expand Up @@ -278,27 +278,37 @@ 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);
if (flags & MXC_EHCI_WAKEUP_ENABLED)
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*/
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