ARM: omap2: remove unused USB code

Some musb related code is no longer in use after commit 4d62dbda8561
("ARM: OMAP3: Remove legacy support for am3517-evm") and can be removed.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 87 deletions

diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c
index 6f6a6a66c981..21c6e7929d37 100644
--- a/arch/arm/mach-omap2/omap_phy_internal.c
+++ b/arch/arm/mach-omap2/omap_phy_internal.c
@@ -19,7 +19,6 @@
 
 #include "soc.h"
 #include "control.h"
-#include "usb.h"
 
 #define CONTROL_DEV_CONF		0x300
 #define PHY_PD				0x1
@@ -52,89 +51,3 @@ static int __init omap4430_phy_power_down(void)
 	return 0;
 }
 omap_early_initcall(omap4430_phy_power_down);
-
-void am35x_musb_reset(void)
-{
-	u32	regval;
-
-	/* Reset the musb interface */
-	regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
-
-	regval |= AM35XX_USBOTGSS_SW_RST;
-	omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
-
-	regval &= ~AM35XX_USBOTGSS_SW_RST;
-	omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET);
-
-	regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
-}
-
-void am35x_musb_phy_power(u8 on)
-{
-	unsigned long timeout = jiffies + msecs_to_jiffies(100);
-	u32 devconf2;
-
-	if (on) {
-		/*
-		 * Start the on-chip PHY and its PLL.
-		 */
-		devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
-
-		devconf2 &= ~(CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN);
-		devconf2 |= CONF2_PHY_PLLON;
-
-		omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
-
-		pr_info("Waiting for PHY clock good...\n");
-		while (!(omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2)
-				& CONF2_PHYCLKGD)) {
-			cpu_relax();
-
-			if (time_after(jiffies, timeout)) {
-				pr_err("musb PHY clock good timed out\n");
-				break;
-			}
-		}
-	} else {
-		/*
-		 * Power down the on-chip PHY.
-		 */
-		devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
-
-		devconf2 &= ~CONF2_PHY_PLLON;
-		devconf2 |=  CONF2_PHYPWRDN | CONF2_OTGPWRDN;
-		omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
-	}
-}
-
-void am35x_musb_clear_irq(void)
-{
-	u32 regval;
-
-	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
-	regval |= AM35XX_USBOTGSS_INT_CLR;
-	omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR);
-	regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
-}
-
-void am35x_set_mode(u8 musb_mode)
-{
-	u32 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
-
-	devconf2 &= ~CONF2_OTGMODE;
-	switch (musb_mode) {
-	case MUSB_HOST:		/* Force VBUS valid, ID = 0 */
-		devconf2 |= CONF2_FORCE_HOST;
-		break;
-	case MUSB_PERIPHERAL:	/* Force VBUS valid, ID = 1 */
-		devconf2 |= CONF2_FORCE_DEVICE;
-		break;
-	case MUSB_OTG:		/* Don't override the VBUS/ID comparators */
-		devconf2 |= CONF2_NO_OVERRIDE;
-		break;
-	default:
-		pr_info("Unsupported mode %u\n", musb_mode);
-	}
-
-	omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
-}