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usb: phy: tegra: Remove unused functions 

tegra_ehci_phy_restore_start() and tegra_ehci_phy_restore_end()
last use was removed in 2013 by
commit a4faa54e3a ("USB: EHCI: tegra: remove all power management")

tegra_usb_phy_preresume() and tegra_usb_phy_postresume() last
use was removed in 2020 by
commit c3590c7656 ("usb: host: ehci-tegra: Remove the driver")
(Although that one makes me wonder how much of the rest of the file
is actually used)

Remove both sets.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250603203905.279307-1-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/1279/head
Dr. David Alan Gilbert 2025-06-03 21:39:05 +01:00 committed by Greg Kroah-Hartman
parent b26fa800c5
commit bc9a0c68f2
2 changed files with 0 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
drivers/usb/phy/phy-tegra-usb.c
View File

@ -711,58 +711,6 @@ static int utmi_phy_power_off(struct tegra_usb_phy *phy)
return utmip_pad_power_off(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) static int ulpi_phy_power_on(struct tegra_usb_phy *phy)
{ {
void __iomem *base = phy->regs; void __iomem *base = phy->regs;
@ -1123,43 +1071,6 @@ disable_clk:
return err; 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, static int read_utmi_param(struct platform_device *pdev, const char *param,
u8 *dest) u8 *dest)
{ {

9
include/linux/usb/tegra_usb_phy.h
View File

@ -80,13 +80,4 @@ struct tegra_usb_phy {
bool powered_on; bool powered_on;
}; };
void tegra_usb_phy_preresume(struct usb_phy *phy);
void tegra_usb_phy_postresume(struct usb_phy *phy);
void tegra_ehci_phy_restore_start(struct usb_phy *phy,
enum tegra_usb_phy_port_speed port_speed);
void tegra_ehci_phy_restore_end(struct usb_phy *phy);
#endif /* __TEGRA_USB_PHY_H */ #endif /* __TEGRA_USB_PHY_H */