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usb: musb: dsps: remove the duplicated timer

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Now struct musb has the timer (dev_timer) for glue drivers, so let's
remove the duplicated timer defined in dsps glue driver, and use
dev_timer defined in struct musb.

Signed-off-by: Bin Liu <b-liu@ti.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bin Liu 2017-10-30 11:29:56 -05:00 committed by Greg Kroah-Hartman
parent 0567849727
commit b82162bcd2
1 changed files with 8 additions and 9 deletions
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17
drivers/usb/musb/musb_dsps.c
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@ -119,7 +119,6 @@ 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 +148,7 @@ 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 +156,7 @@ 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 +216,7 @@ 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 +230,7 @@ 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
@ -284,8 +284,7 @@ static int dsps_check_status(struct musb *musb, void *unused)
static void otg_timer(struct timer_list *t)
{
struct dsps_glue *glue = from_timer(glue, t, timer);
struct musb *musb = platform_get_drvdata(glue->musb);
struct musb *musb = from_timer(musb, t, dev_timer);
struct device *dev = musb->controller;
unsigned long flags;
int err;
@ -481,7 +480,7 @@ static int dsps_musb_init(struct musb *musb)
}
}
timer_setup(&glue->timer, otg_timer, 0);
timer_setup(&musb->dev_timer, otg_timer, 0);
/* Reset the musb */
musb_writel(reg_base, wrp->control, (1 << wrp->reset));
@ -516,7 +515,7 @@ 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);
@ -1028,7 +1027,7 @@ 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);