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path: root/drivers/usb/phy/phy-tegra-usb.c
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Diffstat (limited to 'drivers/usb/phy/phy-tegra-usb.c')
-rw-r--r--drivers/usb/phy/phy-tegra-usb.c97
1 files changed, 3 insertions, 94 deletions
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index f0240107edb1..fb9031628d39 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -16,7 +16,7 @@
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/resource.h>
#include <linux/slab.h>
@@ -711,58 +711,6 @@ static int utmi_phy_power_off(struct tegra_usb_phy *phy)
return utmip_pad_power_off(phy);
}
-static void utmi_phy_preresume(struct tegra_usb_phy *phy)
-{
- void __iomem *base = phy->regs;
- u32 val;
-
- val = readl_relaxed(base + UTMIP_TX_CFG0);
- val |= UTMIP_HS_DISCON_DISABLE;
- writel_relaxed(val, base + UTMIP_TX_CFG0);
-}
-
-static void utmi_phy_postresume(struct tegra_usb_phy *phy)
-{
- void __iomem *base = phy->regs;
- u32 val;
-
- val = readl_relaxed(base + UTMIP_TX_CFG0);
- val &= ~UTMIP_HS_DISCON_DISABLE;
- writel_relaxed(val, base + UTMIP_TX_CFG0);
-}
-
-static void utmi_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
- void __iomem *base = phy->regs;
- u32 val;
-
- val = readl_relaxed(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
- if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW)
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_K;
- else
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_J;
- writel_relaxed(val, base + UTMIP_MISC_CFG0);
- usleep_range(1, 10);
-
- val = readl_relaxed(base + UTMIP_MISC_CFG0);
- val |= UTMIP_DPDM_OBSERVE;
- writel_relaxed(val, base + UTMIP_MISC_CFG0);
- usleep_range(10, 100);
-}
-
-static void utmi_phy_restore_end(struct tegra_usb_phy *phy)
-{
- void __iomem *base = phy->regs;
- u32 val;
-
- val = readl_relaxed(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE;
- writel_relaxed(val, base + UTMIP_MISC_CFG0);
- usleep_range(10, 100);
-}
-
static int ulpi_phy_power_on(struct tegra_usb_phy *phy)
{
void __iomem *base = phy->regs;
@@ -1123,43 +1071,6 @@ disable_clk:
return err;
}
-void tegra_usb_phy_preresume(struct usb_phy *u_phy)
-{
- struct tegra_usb_phy *phy = to_tegra_usb_phy(u_phy);
-
- if (!phy->is_ulpi_phy)
- utmi_phy_preresume(phy);
-}
-EXPORT_SYMBOL_GPL(tegra_usb_phy_preresume);
-
-void tegra_usb_phy_postresume(struct usb_phy *u_phy)
-{
- struct tegra_usb_phy *phy = to_tegra_usb_phy(u_phy);
-
- if (!phy->is_ulpi_phy)
- utmi_phy_postresume(phy);
-}
-EXPORT_SYMBOL_GPL(tegra_usb_phy_postresume);
-
-void tegra_ehci_phy_restore_start(struct usb_phy *u_phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
- struct tegra_usb_phy *phy = to_tegra_usb_phy(u_phy);
-
- if (!phy->is_ulpi_phy)
- utmi_phy_restore_start(phy, port_speed);
-}
-EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_start);
-
-void tegra_ehci_phy_restore_end(struct usb_phy *u_phy)
-{
- struct tegra_usb_phy *phy = to_tegra_usb_phy(u_phy);
-
- if (!phy->is_ulpi_phy)
- utmi_phy_restore_end(phy);
-}
-EXPORT_SYMBOL_GPL(tegra_ehci_phy_restore_end);
-
static int read_utmi_param(struct platform_device *pdev, const char *param,
u8 *dest)
{
@@ -1375,7 +1286,7 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
tegra_phy->is_legacy_phy =
of_property_read_bool(np, "nvidia,has-legacy-mode");
- if (of_find_property(np, "dr_mode", NULL))
+ if (of_property_present(np, "dr_mode"))
tegra_phy->mode = usb_get_dr_mode(&pdev->dev);
else
tegra_phy->mode = USB_DR_MODE_HOST;
@@ -1486,13 +1397,11 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
return usb_add_phy_dev(&tegra_phy->u_phy);
}
-static int tegra_usb_phy_remove(struct platform_device *pdev)
+static void tegra_usb_phy_remove(struct platform_device *pdev)
{
struct tegra_usb_phy *tegra_phy = platform_get_drvdata(pdev);
usb_remove_phy(&tegra_phy->u_phy);
-
- return 0;
}
static struct platform_driver tegra_usb_phy_driver = {