diff options
Diffstat (limited to 'drivers/usb/musb/davinci.c')
| -rw-r--r-- | drivers/usb/musb/davinci.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 52b491d3d5d8..2ad39dcd2f4c 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -1,24 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2006 by Texas Instruments * * 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 - * */ #include <linux/module.h> @@ -199,11 +183,9 @@ static void davinci_musb_set_vbus(struct musb *musb, int is_on) #define POLL_SECONDS 2 -static struct timer_list otg_workaround; - -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); void __iomem *mregs = musb->mregs; u8 devctl; unsigned long flags; @@ -224,7 +206,7 @@ static void otg_timer(unsigned long _musb) * VBUSERR got reported during enumeration" cases. */ if (devctl & MUSB_DEVCTL_VBUS) { - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); break; } musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; @@ -248,7 +230,7 @@ static void otg_timer(unsigned long _musb) devctl | MUSB_DEVCTL_SESSION); devctl = musb_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); else musb->xceiv->otg->state = OTG_STATE_A_IDLE; break; @@ -325,14 +307,14 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) */ musb->int_usb &= ~MUSB_INTR_VBUSERROR; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); WARNING("VBUS error workaround (delay coming)\n"); } else if (drvvbus) { MUSB_HST_MODE(musb); otg->default_a = 1; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); @@ -361,7 +343,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) /* poll for ID change */ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -393,7 +375,7 @@ static int davinci_musb_init(struct musb *musb) if (revision == 0) goto fail; - setup_timer(&otg_workaround, otg_timer, (unsigned long) musb); + timer_setup(&musb->dev_timer, otg_timer, 0); davinci_musb_source_power(musb, 0, 1); @@ -443,7 +425,7 @@ unregister: static int davinci_musb_exit(struct musb *musb) { - del_timer_sync(&otg_workaround); + del_timer_sync(&musb->dev_timer); /* force VBUS off */ if (cpu_is_davinci_dm355()) { |