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Message-Id: <20221026182657.146630-3-paul@crapouillou.net>
Date: Wed, 26 Oct 2022 19:26:52 +0100
From: Paul Cercueil <paul@...pouillou.net>
To: Bin Liu <b-liu@...com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Felipe Balbi <balbi@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
linux-mips@...r.kernel.org, od@...ndingux.net,
Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v2 2/7] 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@...pouillou.net>
---
drivers/usb/musb/musb_core.c | 43 +++++++++++++++------------------
drivers/usb/musb/musb_core.h | 5 ++++
drivers/usb/musb/musb_gadget.c | 8 +++---
drivers/usb/musb/musb_host.c | 2 +-
drivers/usb/musb/musb_virthub.c | 4 +--
5 files changed, 31 insertions(+), 31 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index a0fe2516870b..9bf0ebaa3b7c 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -610,13 +610,13 @@ static void musb_otg_timer_func(struct timer_list *t)
case OTG_STATE_A_SUSPEND:
case OTG_STATE_A_WAIT_BCON:
musb_dbg(musb, "HNP: %s timeout",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
musb_platform_set_vbus(musb, 0);
musb_set_state(musb, OTG_STATE_A_WAIT_VFALL);
break;
default:
musb_dbg(musb, "HNP: Unhandled mode %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
spin_unlock_irqrestore(&musb->lock, flags);
}
@@ -630,14 +630,12 @@ void musb_hnp_stop(struct musb *musb)
void __iomem *mbase = musb->mregs;
u8 reg;
- musb_dbg(musb, "HNP: stop from %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_dbg(musb, "HNP: stop from %s", musb_otg_state_string(musb));
switch (musb_get_state(musb)) {
case OTG_STATE_A_PERIPHERAL:
musb_g_disconnect(musb);
- musb_dbg(musb, "HNP: back to %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_dbg(musb, "HNP: back to %s", musb_otg_state_string(musb));
break;
case OTG_STATE_B_HOST:
musb_dbg(musb, "HNP: Disabling HR");
@@ -652,7 +650,7 @@ void musb_hnp_stop(struct musb *musb)
break;
default:
musb_dbg(musb, "HNP: Stopping in unknown state %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
/*
@@ -667,8 +665,7 @@ static void musb_recover_from_babble(struct musb *musb);
static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
{
- musb_dbg(musb, "RESUME (%s)",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_dbg(musb, "RESUME (%s)", musb_otg_state_string(musb));
if (devctl & MUSB_DEVCTL_HM) {
switch (musb_get_state(musb)) {
@@ -693,7 +690,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
default:
WARNING("bogus %s RESUME (%s)\n",
"host",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
} else {
switch (musb_get_state(musb)) {
@@ -722,7 +719,7 @@ static void musb_handle_intr_resume(struct musb *musb, u8 devctl)
default:
WARNING("bogus %s RESUME (%s)\n",
"peripheral",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
}
}
@@ -738,8 +735,7 @@ static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl)
return IRQ_HANDLED;
}
- musb_dbg(musb, "SESSION_REQUEST (%s)",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_dbg(musb, "SESSION_REQUEST (%s)", musb_otg_state_string(musb));
/* IRQ arrives from ID pin sense or (later, if VBUS power
* is removed) SRP. responses are time critical:
@@ -806,7 +802,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)
dev_printk(ignore ? KERN_DEBUG : KERN_ERR, musb->controller,
"VBUS_ERROR in %s (%02x, %s), retry #%d, port1 %08x\n",
- usb_otg_state_string(musb->xceiv->otg->state),
+ musb_otg_state_string(musb),
devctl,
({ char *s;
switch (devctl & MUSB_DEVCTL_VBUS) {
@@ -831,7 +827,7 @@ static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)
static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)
{
musb_dbg(musb, "SUSPEND (%s) devctl %02x",
- usb_otg_state_string(musb->xceiv->otg->state), devctl);
+ musb_otg_state_string(musb), devctl);
switch (musb_get_state(musb)) {
case OTG_STATE_A_PERIPHERAL:
@@ -939,13 +935,13 @@ static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb)
musb_host_poke_root_hub(musb);
musb_dbg(musb, "CONNECT (%s) devctl %02x",
- usb_otg_state_string(musb->xceiv->otg->state), devctl);
+ musb_otg_state_string(musb), devctl);
}
static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
{
musb_dbg(musb, "DISCONNECT (%s) as %s, devctl %02x",
- usb_otg_state_string(musb->xceiv->otg->state),
+ musb_otg_state_string(musb),
MUSB_MODE(musb), devctl);
switch (musb_get_state(musb)) {
@@ -981,7 +977,7 @@ static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)
break;
default:
WARNING("unhandled DISCONNECT transition (%s)\n",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
break;
}
}
@@ -1004,8 +1000,7 @@ static void musb_handle_intr_reset(struct musb *musb)
dev_err(musb->controller, "Babble\n");
musb_recover_from_babble(musb);
} else {
- musb_dbg(musb, "BUS RESET as %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_dbg(musb, "BUS RESET as %s", musb_otg_state_string(musb));
switch (musb_get_state(musb)) {
case OTG_STATE_A_SUSPEND:
musb_g_reset(musb);
@@ -1013,7 +1008,7 @@ static void musb_handle_intr_reset(struct musb *musb)
case OTG_STATE_A_WAIT_BCON: /* OPT TD.4.7-900ms */
/* never use invalid T(a_wait_bcon) */
musb_dbg(musb, "HNP: in %s, %d msec timeout",
- usb_otg_state_string(musb->xceiv->otg->state),
+ musb_otg_state_string(musb),
TA_WAIT_BCON(musb));
mod_timer(&musb->otg_timer, jiffies
+ msecs_to_jiffies(TA_WAIT_BCON(musb)));
@@ -1024,7 +1019,7 @@ static void musb_handle_intr_reset(struct musb *musb)
break;
case OTG_STATE_B_WAIT_ACON:
musb_dbg(musb, "HNP: RESET (%s), to b_peripheral",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
musb_set_state(musb, OTG_STATE_B_PERIPHERAL);
musb_g_reset(musb);
break;
@@ -1036,7 +1031,7 @@ static void musb_handle_intr_reset(struct musb *musb)
break;
default:
musb_dbg(musb, "Unhandled BUS RESET as %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
}
}
@@ -1863,7 +1858,7 @@ mode_show(struct device *dev, struct device_attribute *attr, char *buf)
int ret;
spin_lock_irqsave(&musb->lock, flags);
- ret = sprintf(buf, "%s\n", usb_otg_state_string(musb->xceiv->otg->state));
+ ret = sprintf(buf, "%s\n", musb_otg_state_string(musb));
spin_unlock_irqrestore(&musb->lock, flags);
return ret;
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 4a4d485d37bd..a497c44ab0da 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -603,6 +603,11 @@ static inline enum usb_otg_state musb_get_state(struct musb *musb)
return musb->xceiv->otg->state;
}
+static inline const char *musb_otg_state_string(struct musb *musb)
+{
+ return usb_otg_state_string(musb_get_state(musb));
+}
+
/*
* gets the "dr_mode" property from DT and converts it into musb_mode
* if the property is not found or not recognized returns MUSB_OTG
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index b5c7deb288d2..9f5c531de387 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1564,7 +1564,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
goto done;
default:
musb_dbg(musb, "Unhandled wake: %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
goto done;
}
@@ -1940,7 +1940,7 @@ void musb_g_resume(struct musb *musb)
break;
default:
WARNING("unhandled RESUME transition (%s)\n",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
}
@@ -1970,7 +1970,7 @@ void musb_g_suspend(struct musb *musb)
* A_PERIPHERAL may need care too
*/
WARNING("unhandled SUSPEND transition (%s)",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
}
@@ -2004,7 +2004,7 @@ void musb_g_disconnect(struct musb *musb)
switch (musb_get_state(musb)) {
default:
musb_dbg(musb, "Unhandled disconnect %s, setting a_idle",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
musb_set_state(musb, OTG_STATE_A_IDLE);
MUSB_HST_MODE(musb);
break;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index ed631447a253..b7553da7f4bc 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2519,7 +2519,7 @@ static int musb_bus_suspend(struct usb_hcd *hcd)
if (musb->is_active) {
WARNING("trying to suspend as %s while active\n",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
return -EBUSY;
} else
return 0;
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index d1cfd45d69e3..7eb929d75280 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -102,7 +102,7 @@ int musb_port_suspend(struct musb *musb, bool do_suspend)
break;
default:
musb_dbg(musb, "bogus rh suspend? %s",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
} else if (power & MUSB_POWER_SUSPENDM) {
power &= ~MUSB_POWER_SUSPENDM;
@@ -221,7 +221,7 @@ void musb_root_disconnect(struct musb *musb)
break;
default:
musb_dbg(musb, "host disconnect (%s)",
- usb_otg_state_string(musb->xceiv->otg->state));
+ musb_otg_state_string(musb));
}
}
EXPORT_SYMBOL_GPL(musb_root_disconnect);
--
2.35.1
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