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path: root/drivers/usb/musb/musb_dsps.c
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Diffstat (limited to 'drivers/usb/musb/musb_dsps.c')
-rw-r--r--drivers/usb/musb/musb_dsps.c35
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index f6b526606ad1..05a679d5e3a2 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Texas Instruments DSPS platforms "glue layer"
*
@@ -7,22 +8,6 @@
*
* This file is part of the Inventra Controller Driver for Linux.
*
- * The Inventra Controller Driver for Linux is free software; you
- * can redistribute it and/or modify it under the terms of the GNU
- * General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * The Inventra Controller Driver for Linux is distributed in
- * the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
- * License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with The Inventra Controller Driver for Linux ; if not,
- * write to the Free Software Foundation, Inc., 59 Temple Place,
- * Suite 330, Boston, MA 02111-1307 USA
- *
* musb_dsps.c will be a common file for all the TI DSPS platforms
* such as dm64x, dm36x, dm35x, da8x, am35x and ti81x.
* For now only ti81x is using this and in future davinci.c, am35x.c
@@ -119,7 +104,6 @@ struct dsps_glue {
struct platform_device *musb; /* child musb pdev */
const struct dsps_musb_wrapper *wrp; /* wrapper register offsets */
int vbus_irq; /* optional vbus irq */
- struct timer_list timer; /* otg_workaround timer */
unsigned long last_timer; /* last timer data for each instance */
bool sw_babble_enabled;
void __iomem *usbss_base;
@@ -149,6 +133,7 @@ static const struct debugfs_reg32 dsps_musb_regs[] = {
static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms)
{
+ struct musb *musb = platform_get_drvdata(glue->musb);
int wait;
if (wait_ms < 0)
@@ -156,7 +141,7 @@ static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms)
else
wait = msecs_to_jiffies(wait_ms);
- mod_timer(&glue->timer, jiffies + wait);
+ mod_timer(&musb->dev_timer, jiffies + wait);
}
/*
@@ -216,7 +201,7 @@ static void dsps_musb_disable(struct musb *musb)
musb_writel(reg_base, wrp->coreintr_clear, wrp->usb_bitmap);
musb_writel(reg_base, wrp->epintr_clear,
wrp->txep_bitmap | wrp->rxep_bitmap);
- del_timer_sync(&glue->timer);
+ del_timer_sync(&musb->dev_timer);
}
/* Caller must take musb->lock */
@@ -230,7 +215,7 @@ static int dsps_check_status(struct musb *musb, void *unused)
int skip_session = 0;
if (glue->vbus_irq)
- del_timer(&glue->timer);
+ del_timer(&musb->dev_timer);
/*
* We poll because DSPS IP's won't expose several OTG-critical
@@ -282,9 +267,9 @@ static int dsps_check_status(struct musb *musb, void *unused)
return 0;
}
-static void otg_timer(unsigned long _musb)
+static void otg_timer(struct timer_list *t)
{
- struct musb *musb = (void *)_musb;
+ struct musb *musb = from_timer(musb, t, dev_timer);
struct device *dev = musb->controller;
unsigned long flags;
int err;
@@ -480,7 +465,7 @@ static int dsps_musb_init(struct musb *musb)
}
}
- setup_timer(&glue->timer, otg_timer, (unsigned long) musb);
+ timer_setup(&musb->dev_timer, otg_timer, 0);
/* Reset the musb */
musb_writel(reg_base, wrp->control, (1 << wrp->reset));
@@ -515,7 +500,7 @@ static int dsps_musb_exit(struct musb *musb)
struct device *dev = musb->controller;
struct dsps_glue *glue = dev_get_drvdata(dev->parent);
- del_timer_sync(&glue->timer);
+ del_timer_sync(&musb->dev_timer);
usb_phy_shutdown(musb->xceiv);
phy_power_off(musb->phy);
phy_exit(musb->phy);
@@ -1027,7 +1012,7 @@ static int dsps_suspend(struct device *dev)
return ret;
}
- del_timer_sync(&glue->timer);
+ del_timer_sync(&musb->dev_timer);
mbase = musb->ctrl_base;
glue->context.control = musb_readl(mbase, wrp->control);