usb: musb: Add and use inline function musb_otg_state_string
The musb_otg_state_string() simply calls usb_otg_state_string(). This will make it easier to get rid of the musb->xceiv dependency later. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20221026182657.146630-3-paul@crapouillou.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -610,13 +610,13 @@ static void musb_otg_timer_func(struct timer_list *t)
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case OTG_STATE_A_SUSPEND:
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case OTG_STATE_A_WAIT_BCON:
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musb_dbg(musb, "HNP: %s timeout",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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musb_platform_set_vbus(musb, 0);
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musb_set_state(musb, OTG_STATE_A_WAIT_VFALL);
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break;
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default:
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musb_dbg(musb, "HNP: Unhandled mode %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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spin_unlock_irqrestore(&musb->lock, flags);
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}
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@ -630,14 +630,12 @@ void musb_hnp_stop(struct musb *musb)
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void __iomem *mbase = musb->mregs;
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u8 reg;
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musb_dbg(musb, "HNP: stop from %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_dbg(musb, "HNP: stop from %s", musb_otg_state_string(musb));
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switch (musb_get_state(musb)) {
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case OTG_STATE_A_PERIPHERAL:
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musb_g_disconnect(musb);
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musb_dbg(musb, "HNP: back to %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_dbg(musb, "HNP: back to %s", musb_otg_state_string(musb));
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break;
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case OTG_STATE_B_HOST:
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musb_dbg(musb, "HNP: Disabling HR");
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@ -652,7 +650,7 @@ void musb_hnp_stop(struct musb *musb)
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break;
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default:
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musb_dbg(musb, "HNP: Stopping in unknown state %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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/*
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@ -667,8 +665,7 @@ static void musb_recover_from_babble(struct musb *musb);
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static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
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{
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musb_dbg(musb, "RESUME (%s)",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_dbg(musb, "RESUME (%s)", musb_otg_state_string(musb));
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if (devctl & MUSB_DEVCTL_HM) {
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switch (musb_get_state(musb)) {
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@ -693,7 +690,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
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default:
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WARNING("bogus %s RESUME (%s)\n",
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"host",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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} else {
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switch (musb_get_state(musb)) {
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@ -722,7 +719,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
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default:
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WARNING("bogus %s RESUME (%s)\n",
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"peripheral",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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}
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}
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@ -738,8 +735,7 @@ static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl)
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return IRQ_HANDLED;
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}
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musb_dbg(musb, "SESSION_REQUEST (%s)",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_dbg(musb, "SESSION_REQUEST (%s)", musb_otg_state_string(musb));
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/* IRQ arrives from ID pin sense or (later, if VBUS power
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* is removed) SRP. responses are time critical:
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@ -806,7 +802,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)
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dev_printk(ignore ? KERN_DEBUG : KERN_ERR, musb->controller,
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"VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n",
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usb_otg_state_string(musb->xceiv->otg->state),
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musb_otg_state_string(musb),
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devctl,
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({ char *s;
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switch (devctl & MUSB_DEVCTL_VBUS) {
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@ -831,7 +827,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)
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static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)
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{
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musb_dbg(musb, "SUSPEND (%s) devctl %02x",
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usb_otg_state_string(musb->xceiv->otg->state), devctl);
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musb_otg_state_string(musb), devctl);
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switch (musb_get_state(musb)) {
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case OTG_STATE_A_PERIPHERAL:
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@ -939,13 +935,13 @@ b_host:
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musb_host_poke_root_hub(musb);
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musb_dbg(musb, "CONNECT (%s) devctl %02x",
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usb_otg_state_string(musb->xceiv->otg->state), devctl);
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musb_otg_state_string(musb), devctl);
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}
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static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
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{
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musb_dbg(musb, "DISCONNECT (%s) as %s, devctl %02x",
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usb_otg_state_string(musb->xceiv->otg->state),
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musb_otg_state_string(musb),
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MUSB_MODE(musb), devctl);
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switch (musb_get_state(musb)) {
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@ -981,7 +977,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
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break;
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default:
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WARNING("unhandled DISCONNECT transition (%s)\n",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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break;
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}
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}
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@ -1004,8 +1000,7 @@ static void musb_handle_intr_reset(struct musb *musb)
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dev_err(musb->controller, "Babble\n");
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musb_recover_from_babble(musb);
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} else {
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musb_dbg(musb, "BUS RESET as %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_dbg(musb, "BUS RESET as %s", musb_otg_state_string(musb));
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switch (musb_get_state(musb)) {
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case OTG_STATE_A_SUSPEND:
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musb_g_reset(musb);
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@ -1013,7 +1008,7 @@ static void musb_handle_intr_reset(struct musb *musb)
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case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */
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/* never use invalid T(a_wait_bcon) */
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musb_dbg(musb, "HNP: in %s, %d msec timeout",
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usb_otg_state_string(musb->xceiv->otg->state),
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musb_otg_state_string(musb),
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TA_WAIT_BCON(musb));
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mod_timer(&musb->otg_timer, jiffies
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+ msecs_to_jiffies(TA_WAIT_BCON(musb)));
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@ -1024,7 +1019,7 @@ static void musb_handle_intr_reset(struct musb *musb)
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break;
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case OTG_STATE_B_WAIT_ACON:
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musb_dbg(musb, "HNP: RESET (%s), to b_peripheral",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
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musb_g_reset(musb);
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break;
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@ -1036,7 +1031,7 @@ static void musb_handle_intr_reset(struct musb *musb)
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break;
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default:
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musb_dbg(musb, "Unhandled BUS RESET as %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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}
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}
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@ -1863,7 +1858,7 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf)
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int ret;
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spin_lock_irqsave(&musb->lock, flags);
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ret = sprintf(buf, "%s\n", usb_otg_state_string(musb->xceiv->otg->state));
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ret = sprintf(buf, "%s\n", musb_otg_state_string(musb));
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spin_unlock_irqrestore(&musb->lock, flags);
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return ret;
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@ -603,6 +603,11 @@ static inline enum usb_otg_state musb_get_state(struct musb *musb)
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return musb->xceiv->otg->state;
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}
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static inline const char *musb_otg_state_string(struct musb *musb)
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{
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return usb_otg_state_string(musb_get_state(musb));
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}
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/*
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* gets the "dr_mode" property from DT and converts it into musb_mode
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* if the property is not found or not recognized returns MUSB_OTG
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@ -1564,7 +1564,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
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goto done;
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default:
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musb_dbg(musb, "Unhandled wake: %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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goto done;
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}
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@ -1940,7 +1940,7 @@ void musb_g_resume(struct musb *musb)
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break;
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default:
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WARNING("unhandled RESUME transition (%s)\n",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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}
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@ -1970,7 +1970,7 @@ void musb_g_suspend(struct musb *musb)
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* A_PERIPHERAL may need care too
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*/
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WARNING("unhandled SUSPEND transition (%s)",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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}
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@ -2004,7 +2004,7 @@ void musb_g_disconnect(struct musb *musb)
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switch (musb_get_state(musb)) {
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default:
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musb_dbg(musb, "Unhandled disconnect %s, setting a_idle",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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musb_set_state(musb, OTG_STATE_A_IDLE);
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MUSB_HST_MODE(musb);
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break;
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@ -2519,7 +2519,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd)
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if (musb->is_active) {
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WARNING("trying to suspend as %s while active\n",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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return -EBUSY;
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} else
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return 0;
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@ -102,7 +102,7 @@ int musb_port_suspend(struct musb *musb, bool do_suspend)
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break;
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default:
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musb_dbg(musb, "bogus rh suspend? %s",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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} else if (power & MUSB_POWER_SUSPENDM) {
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power &= ~MUSB_POWER_SUSPENDM;
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@ -221,7 +221,7 @@ void musb_root_disconnect(struct musb *musb)
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break;
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default:
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musb_dbg(musb, "host disconnect (%s)",
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usb_otg_state_string(musb->xceiv->otg->state));
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musb_otg_state_string(musb));
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}
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}
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EXPORT_SYMBOL_GPL(musb_root_disconnect);
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