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path: root/drivers/usb/musb/musb_core.c
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Diffstat (limited to 'drivers/usb/musb/musb_core.c')
-rw-r--r--drivers/usb/musb/musb_core.c65
1 files changed, 25 insertions, 40 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index f10ff00ca09..9a280872c2b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -333,26 +333,6 @@ void musb_load_testpacket(struct musb *musb)
/*-------------------------------------------------------------------------*/
-const char *otg_state_string(struct musb *musb)
-{
- switch (musb->xceiv->state) {
- case OTG_STATE_A_IDLE: return "a_idle";
- case OTG_STATE_A_WAIT_VRISE: return "a_wait_vrise";
- case OTG_STATE_A_WAIT_BCON: return "a_wait_bcon";
- case OTG_STATE_A_HOST: return "a_host";
- case OTG_STATE_A_SUSPEND: return "a_suspend";
- case OTG_STATE_A_PERIPHERAL: return "a_peripheral";
- case OTG_STATE_A_WAIT_VFALL: return "a_wait_vfall";
- case OTG_STATE_A_VBUS_ERR: return "a_vbus_err";
- case OTG_STATE_B_IDLE: return "b_idle";
- case OTG_STATE_B_SRP_INIT: return "b_srp_init";
- case OTG_STATE_B_PERIPHERAL: return "b_peripheral";
- case OTG_STATE_B_WAIT_ACON: return "b_wait_acon";
- case OTG_STATE_B_HOST: return "b_host";
- default: return "UNDEFINED";
- }
-}
-
#ifdef CONFIG_USB_MUSB_OTG
/*
@@ -373,12 +353,14 @@ void musb_otg_timer_func(unsigned long data)
break;
case OTG_STATE_A_SUSPEND:
case OTG_STATE_A_WAIT_BCON:
- DBG(1, "HNP: %s timeout\n", otg_state_string(musb));
+ DBG(1, "HNP: %s timeout\n",
+ otg_state_string(musb->xceiv->state));
musb_platform_set_vbus(musb, 0);
musb->xceiv->state = OTG_STATE_A_WAIT_VFALL;
break;
default:
- DBG(1, "HNP: Unhandled mode %s\n", otg_state_string(musb));
+ DBG(1, "HNP: Unhandled mode %s\n",
+ otg_state_string(musb->xceiv->state));
}
musb->ignore_disconnect = 0;
spin_unlock_irqrestore(&musb->lock, flags);
@@ -393,12 +375,13 @@ void musb_hnp_stop(struct musb *musb)
void __iomem *mbase = musb->mregs;
u8 reg;
- DBG(1, "HNP: stop from %s\n", otg_state_string(musb));
+ DBG(1, "HNP: stop from %s\n", otg_state_string(musb->xceiv->state));
switch (musb->xceiv->state) {
case OTG_STATE_A_PERIPHERAL:
musb_g_disconnect(musb);
- DBG(1, "HNP: back to %s\n", otg_state_string(musb));
+ DBG(1, "HNP: back to %s\n",
+ otg_state_string(musb->xceiv->state));
break;
case OTG_STATE_B_HOST:
DBG(1, "HNP: Disabling HR\n");
@@ -412,7 +395,7 @@ void musb_hnp_stop(struct musb *musb)
break;
default:
DBG(1, "HNP: Stopping in unknown state %s\n",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
}
/*
@@ -451,7 +434,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
*/
if (int_usb & MUSB_INTR_RESUME) {
handled = IRQ_HANDLED;
- DBG(3, "RESUME (%s)\n", otg_state_string(musb));
+ DBG(3, "RESUME (%s)\n", otg_state_string(musb->xceiv->state));
if (devctl & MUSB_DEVCTL_HM) {
#ifdef CONFIG_USB_MUSB_HDRC_HCD
@@ -492,7 +475,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
default:
WARNING("bogus %s RESUME (%s)\n",
"host",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
}
#endif
} else {
@@ -526,7 +509,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
default:
WARNING("bogus %s RESUME (%s)\n",
"peripheral",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
}
}
}
@@ -542,7 +525,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
return IRQ_HANDLED;
}
- DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));
+ DBG(1, "SESSION_REQUEST (%s)\n",
+ otg_state_string(musb->xceiv->state));
/* IRQ arrives from ID pin sense or (later, if VBUS power
* is removed) SRP. responses are time critical:
@@ -607,7 +591,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
}
DBG(1, "VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n",
- otg_state_string(musb),
+ otg_state_string(musb->xceiv->state),
devctl,
({ char *s;
switch (devctl & MUSB_DEVCTL_VBUS) {
@@ -633,7 +617,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
#endif
if (int_usb & MUSB_INTR_SUSPEND) {
DBG(1, "SUSPEND (%s) devctl %02x power %02x\n",
- otg_state_string(musb), devctl, power);
+ otg_state_string(musb->xceiv->state), devctl, power);
handled = IRQ_HANDLED;
switch (musb->xceiv->state) {
@@ -758,13 +742,13 @@ b_host:
usb_hcd_resume_root_hub(hcd);
DBG(1, "CONNECT (%s) devctl %02x\n",
- otg_state_string(musb), devctl);
+ otg_state_string(musb->xceiv->state), devctl);
}
#endif /* CONFIG_USB_MUSB_HDRC_HCD */
if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n",
- otg_state_string(musb),
+ otg_state_string(musb->xceiv->state),
MUSB_MODE(musb), devctl);
handled = IRQ_HANDLED;
@@ -807,7 +791,7 @@ b_host:
#endif /* GADGET */
default:
WARNING("unhandled DISCONNECT transition (%s)\n",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
break;
}
}
@@ -832,7 +816,8 @@ b_host:
musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
}
} else if (is_peripheral_capable()) {
- DBG(1, "BUS RESET as %s\n", otg_state_string(musb));
+ DBG(1, "BUS RESET as %s\n",
+ otg_state_string(musb->xceiv->state));
switch (musb->xceiv->state) {
#ifdef CONFIG_USB_OTG
case OTG_STATE_A_SUSPEND:
@@ -846,8 +831,8 @@ b_host:
case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */
/* never use invalid T(a_wait_bcon) */
DBG(1, "HNP: in %s, %d msec timeout\n",
- otg_state_string(musb),
- TA_WAIT_BCON(musb));
+ otg_state_string(musb->xceiv->state),
+ TA_WAIT_BCON(musb));
mod_timer(&musb->otg_timer, jiffies
+ msecs_to_jiffies(TA_WAIT_BCON(musb)));
break;
@@ -858,7 +843,7 @@ b_host:
break;
case OTG_STATE_B_WAIT_ACON:
DBG(1, "HNP: RESET (%s), to b_peripheral\n",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
musb_g_reset(musb);
break;
@@ -871,7 +856,7 @@ b_host:
break;
default:
DBG(1, "Unhandled BUS RESET as %s\n",
- otg_state_string(musb));
+ otg_state_string(musb->xceiv->state));
}
}
}
@@ -1713,7 +1698,7 @@ musb_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
int ret = -EINVAL;
spin_lock_irqsave(&musb->lock, flags);
- ret = sprintf(buf, "%s\n", otg_state_string(musb));
+ ret = sprintf(buf, "%s\n", otg_state_string(musb->xceiv->state));
spin_unlock_irqrestore(&musb->lock, flags);
return ret;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-21 00:00:23 +0000