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Revert "usb: host: tegra: Remove programing PTC bits based on bus speed."

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This reverts commit 91e80b7924.

This is needed to resume usb from lp0
This commit is contained in:
Benoit Goby
2010-12-03 14:59:55 -08:00
parent b01b6774ca
commit cd1bc93404
1 changed files with 12 additions and 0 deletions
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12
drivers/usb/host/ehci-tegra.c
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@@ -286,6 +286,18 @@ static int tegra_usb_resume(struct usb_hcd *hcd)
writel(val, &hw->port_status[0]);
udelay(10);
/* Program the field PTC in PORTSC based on the saved speed mode */
val = readl(&hw->port_status[0]);
val &= ~(TEGRA_USB_PORTSC1_PTC(~0));
if (context->port_speed == TEGRA_USB_PHY_PORT_HIGH)
val |= TEGRA_USB_PORTSC1_PTC(5);
else if (context->port_speed == TEGRA_USB_PHY_PORT_SPEED_FULL)
val |= TEGRA_USB_PORTSC1_PTC(6);
else if (context->port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW)
val |= TEGRA_USB_PORTSC1_PTC(7);
writel(val, &hw->port_status[0]);
udelay(10);
/* Disable test mode by setting PTC field to NORMAL_OP */
val = readl(&hw->port_status[0]);
val &= ~(TEGRA_USB_PORTSC1_PTC(~0));