diff options
author | Anton Arapov <anton@redhat.com> | 2012-08-07 11:21:50 +0200 |
---|---|---|
committer | Anton Arapov <anton@redhat.com> | 2012-08-07 12:52:25 +0200 |
commit | 1d44b6f3fcf6058fb7c960b7558766967e8028f7 (patch) | |
tree | 53d88547c973ba048d233091a3f91f3173ad01df /arch/arm/mach-tegra/usb_phy.c | |
parent | d91eda5d7b0383e6a0c83e0146ff141ff3b1355b (diff) | |
download | kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.gz kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.tar.xz kernel-uprobes-1d44b6f3fcf6058fb7c960b7558766967e8028f7.zip |
fedora kernel: 222b075b3ff0d9e88aa9353e3c80667756ed7361v3.5.0-4
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-tegra/usb_phy.c')
-rw-r--r-- | arch/arm/mach-tegra/usb_phy.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c index c5b2ac04e2a..54e353c8e30 100644 --- a/arch/arm/mach-tegra/usb_phy.c +++ b/arch/arm/mach-tegra/usb_phy.c @@ -26,6 +26,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/gpio.h> +#include <linux/of_gpio.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <asm/mach-types.h> @@ -654,8 +655,8 @@ static void ulpi_phy_power_off(struct tegra_usb_phy *phy) clk_disable(phy->clk); } -struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, - void *config, enum tegra_usb_phy_mode phy_mode) +struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance, + void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode) { struct tegra_usb_phy *phy; struct tegra_ulpi_config *ulpi_config; @@ -711,7 +712,16 @@ struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs, err = -ENXIO; goto err1; } - tegra_gpio_enable(ulpi_config->reset_gpio); + if (!gpio_is_valid(ulpi_config->reset_gpio)) + ulpi_config->reset_gpio = + of_get_named_gpio(dev->of_node, + "nvidia,phy-reset-gpio", 0); + if (!gpio_is_valid(ulpi_config->reset_gpio)) { + pr_err("%s: invalid reset gpio: %d\n", __func__, + ulpi_config->reset_gpio); + err = -EINVAL; + goto err1; + } gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b"); gpio_direction_output(ulpi_config->reset_gpio, 0); phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0); |