1 files changed, 23 insertions, 39 deletions

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 60924ce0849..a2f44385935 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -61,17 +61,17 @@ static void musb_do_idle(unsigned long _musb)
 
         devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
 
-        switch (musb->xceiv.state) {
+        switch (musb->xceiv->state) {
         case OTG_STATE_A_WAIT_BCON:
                 devctl &= ~MUSB_DEVCTL_SESSION;
                 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
 
                 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
                 if (devctl & MUSB_DEVCTL_BDEVICE) {
-                        musb->xceiv.state = OTG_STATE_B_IDLE;
+                        musb->xceiv->state = OTG_STATE_B_IDLE;
                         MUSB_DEV_MODE(musb);
                 } else {
-                        musb->xceiv.state = OTG_STATE_A_IDLE;
+                        musb->xceiv->state = OTG_STATE_A_IDLE;
                         MUSB_HST_MODE(musb);
                 }
                 break;
@@ -89,7 +89,7 @@ static void musb_do_idle(unsigned long _musb)
                         musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
                         usb_hcd_poll_rh_status(musb_to_hcd(musb));
                         /* NOTE: it might really be A_WAIT_BCON ... */
-                        musb->xceiv.state = OTG_STATE_A_HOST;
+                        musb->xceiv->state = OTG_STATE_A_HOST;
                 }
                 break;
 #endif
@@ -97,9 +97,9 @@ static void musb_do_idle(unsigned long _musb)
         case OTG_STATE_A_HOST:
                 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
                 if (devctl &  MUSB_DEVCTL_BDEVICE)
-                        musb->xceiv.state = OTG_STATE_B_IDLE;
+                        musb->xceiv->state = OTG_STATE_B_IDLE;
                 else
-                        musb->xceiv.state = OTG_STATE_A_WAIT_BCON;
+                        musb->xceiv->state = OTG_STATE_A_WAIT_BCON;
 #endif
         default:
                 break;
@@ -118,7 +118,7 @@ void musb_platform_try_idle(struct musb *musb, unsigned long timeout)
 
         /* Never idle if active, or when VBUS timeout is not set as host */
         if (musb->is_active || ((musb->a_wait_bcon == 0)
-                        && (musb->xceiv.state == OTG_STATE_A_WAIT_BCON))) {
+                        && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) {
                 DBG(4, "%s active, deleting timer\n", otg_state_string(musb));
                 del_timer(&musb_idle_timer);
                 last_timer = jiffies;
@@ -163,8 +163,8 @@ static void omap_set_vbus(struct musb *musb, int is_on)
 
         if (is_on) {
                 musb->is_active = 1;
-                musb->xceiv.default_a = 1;
-                musb->xceiv.state = OTG_STATE_A_WAIT_VRISE;
+                musb->xceiv->default_a = 1;
+                musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
                 devctl |= MUSB_DEVCTL_SESSION;
 
                 MUSB_HST_MODE(musb);
@@ -175,8 +175,8 @@ static void omap_set_vbus(struct musb *musb, int is_on)
                  * jumping right to B_IDLE...
                  */
 
-                musb->xceiv.default_a = 0;
-                musb->xceiv.state = OTG_STATE_B_IDLE;
+                musb->xceiv->default_a = 0;
+                musb->xceiv->state = OTG_STATE_B_IDLE;
                 devctl &= ~MUSB_DEVCTL_SESSION;
 
                 MUSB_DEV_MODE(musb);
@@ -188,10 +188,6 @@ static void omap_set_vbus(struct musb *musb, int is_on)
                 otg_state_string(musb),
                 musb_readb(musb->mregs, MUSB_DEVCTL));
 }
-static int omap_set_power(struct otg_transceiver *x, unsigned mA)
-{
-        return 0;
-}
 
 static int musb_platform_resume(struct musb *musb);
 
@@ -202,24 +198,6 @@ int musb_platform_set_mode(struct musb *musb, u8 musb_mode)
         devctl |= MUSB_DEVCTL_SESSION;
         musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
 
-        switch (musb_mode) {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-        case MUSB_HOST:
-                otg_set_host(&musb->xceiv, musb->xceiv.host);
-                break;
-#endif
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-        case MUSB_PERIPHERAL:
-                otg_set_peripheral(&musb->xceiv, musb->xceiv.gadget);
-                break;
-#endif
-#ifdef CONFIG_USB_MUSB_OTG
-        case MUSB_OTG:
-                break;
-#endif
-        default:
-                return -EINVAL;
-        }
         return 0;
 }
 
@@ -231,6 +209,16 @@ int __init musb_platform_init(struct musb *musb)
         omap_cfg_reg(AE5_2430_USB0HS_STP);
 #endif
 
+        /* We require some kind of external transceiver, hooked
+         * up through ULPI.  TWL4030-family PMICs include one,
+         * which needs a driver, drivers aren't always needed.
+         */
+        musb->xceiv = otg_get_transceiver();
+        if (!musb->xceiv) {
+                pr_err("HS USB OTG: no transceiver configured\n");
+                return -ENODEV;
+        }
+
         musb_platform_resume(musb);
 
         l = omap_readl(OTG_SYSCONFIG);
@@ -257,8 +245,6 @@ int __init musb_platform_init(struct musb *musb)
 
         if (is_host_enabled(musb))
                 musb->board_set_vbus = omap_set_vbus;
-        if (is_peripheral_enabled(musb))
-                musb->xceiv.set_power = omap_set_power;
         musb->a_wait_bcon = MUSB_TIMEOUT_A_WAIT_BCON;
 
         setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
@@ -282,8 +268,7 @@ int musb_platform_suspend(struct musb *musb)
         l |= ENABLEWAKEUP;      /* enable wakeup */
         omap_writel(l, OTG_SYSCONFIG);
 
-        if (musb->xceiv.set_suspend)
-                musb->xceiv.set_suspend(&musb->xceiv, 1);
+        otg_set_suspend(musb->xceiv, 1);
 
         if (musb->set_clock)
                 musb->set_clock(musb->clock, 0);
@@ -300,8 +285,7 @@ static int musb_platform_resume(struct musb *musb)
         if (!musb->clock)
                 return 0;
 
-        if (musb->xceiv.set_suspend)
-                musb->xceiv.set_suspend(&musb->xceiv, 0);
+        otg_set_suspend(musb->xceiv, 0);
 
         if (musb->set_clock)
                 musb->set_clock(musb->clock, 1);