usb: musb: factor some host-specific functions

In particular, this introduces musb_host_resume_root_hub()and
musb_host_poke_root_hub() which will be stubbed out later.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 7 insertions, 11 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index fc4d97e2bc3d..bd14fed44af1 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -483,7 +483,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
                                 musb->xceiv->state = OTG_STATE_A_HOST;
                                 musb->is_active = 1;
-                                usb_hcd_resume_root_hub(musb_to_hcd(musb));
+                                musb_host_resume_root_hub(musb);
                                 break;
                         case OTG_STATE_B_WAIT_ACON:
                                 musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
@@ -500,7 +500,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                         case OTG_STATE_A_SUSPEND:
                                 /* possibly DISCONNECT is upcoming */
                                 musb->xceiv->state = OTG_STATE_A_HOST;
-                                usb_hcd_resume_root_hub(musb_to_hcd(musb));
+                                musb_host_resume_root_hub(musb);
                                 break;
                         case OTG_STATE_B_WAIT_ACON:
                         case OTG_STATE_B_PERIPHERAL:
@@ -642,7 +642,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
                          * undesired detour through A_WAIT_BCON.
                          */
                         musb_hnp_stop(musb);
-                        usb_hcd_resume_root_hub(musb_to_hcd(musb));
+                        musb_host_resume_root_hub(musb);
                         musb_root_disconnect(musb);
                         musb_platform_try_idle(musb, jiffies
                                         + msecs_to_jiffies(musb->a_wait_bcon
@@ -732,17 +732,13 @@ b_host:
                         if ((devctl & MUSB_DEVCTL_VBUS)
                                         == (3 << MUSB_DEVCTL_VBUS_SHIFT)) {
                                 musb->xceiv->state = OTG_STATE_A_HOST;
-                                hcd->self.is_b_host = 0;
+                                if (hcd)
+                                        hcd->self.is_b_host = 0;
                         }
                         break;
                 }
 
-                /* poke the root hub */
-                MUSB_HST_MODE(musb);
-                if (hcd->status_urb)
-                        usb_hcd_poll_rh_status(hcd);
-                else
-                        usb_hcd_resume_root_hub(hcd);
+                musb_host_poke_root_hub(musb);
 
                 dev_dbg(musb->controller, "CONNECT (%s) devctl %02x\n",
                                 usb_otg_state_string(musb->xceiv->state), devctl);
@@ -757,7 +753,7 @@ b_host:
                 switch (musb->xceiv->state) {
                 case OTG_STATE_A_HOST:
                 case OTG_STATE_A_SUSPEND:
-                        usb_hcd_resume_root_hub(musb_to_hcd(musb));
+                        musb_host_resume_root_hub(musb);
                         musb_root_disconnect(musb);
                         if (musb->a_wait_bcon != 0)
                                 musb_platform_try_idle(musb, jiffies