From cd1bc934046a7edac3db25fb59327f14958dcd83 Mon Sep 17 00:00:00 2001 From: Benoit Goby Date: Fri, 3 Dec 2010 14:59:55 -0800 Subject: [PATCH] Revert "usb: host: tegra: Remove programing PTC bits based on bus speed." This reverts commit 91e80b79243c1b6341c1a8d6e8e5e872b837bfea. This is needed to resume usb from lp0 --- drivers/usb/host/ehci-tegra.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 5cdad2531ba1..b02eabb5a61d 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -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)); -- 2.34.1