diff options
Diffstat (limited to 'arch/arm/mach-tegra/usb_phy.c')
| -rw-r--r-- | arch/arm/mach-tegra/usb_phy.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c index a9d3dac8aea1..0dc14abc3fa4 100644 --- a/arch/arm/mach-tegra/usb_phy.c +++ b/arch/arm/mach-tegra/usb_phy.c @@ -1225,49 +1225,6 @@ err0: return ERR_PTR(err); } -static void pulse_writel(int bit, void __iomem *addr) -{ - int val; - - val = readl(addr); - writel(val | bit, addr); - udelay(10); - writel(val & (~bit), addr); -} - -int tegra_usb_set_phy_clock(struct tegra_usb_phy *phy, char clock_on) -{ - int ret = 0; - int val; - void __iomem *base = phy->regs; - - BUG_ON(phy == NULL); - - if (clock_on) { - pulse_writel(USB_SUSP_CLR, base + USB_SUSP_CTRL); - } else { - switch(phy->instance) { - case 0: - pulse_writel(USB_SUSP_SET, base + USB_SUSP_CTRL); - break; - case 1: - case 2: - val = readl(base + USB_PORTSC1); - writel(val | USB_PORTSC1_PHCD, base + USB_PORTSC1); - break; - default: - pr_err("unknow USB instance: %d\n", phy->instance); - } - } - - ret = utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, - clock_on ? USB_PHY_CLK_VALID : 0); - if (ret) - pr_err("failed turn %s EHCI port PHY clock\n", - clock_on ? "on" : "off"); - return ret; -} - int tegra_usb_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd) { if (!phy->regulator_on) { |