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usb: musb: Remove extra PM runtime calls from 2430 glue layer 

With PM runtime behaving, these are all now unnecessary.
Doing pm_runtime_get(musb->controller) will keep the parent
glue layer also active.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tony Lindgren 2016-05-31 10:05:20 -05:00 committed by Greg Kroah-Hartman
parent 12b7db2bf8
commit 87326e8584
1 changed files with 4 additions and 24 deletions
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28
drivers/usb/musb/omap2430.c
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@ -268,13 +268,8 @@ static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
{
struct omap2430_glue *glue = container_of(mailbox_work,
struct omap2430_glue, omap_musb_mailbox_work);
struct musb *musb = glue_to_musb(glue);
struct device *dev = musb->controller;
pm_runtime_get_sync(dev);
omap_musb_set_mailbox(glue);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
static irqreturn_t omap2430_musb_interrupt(int irq, void *__hci)
@ -343,16 +338,6 @@ static int omap2430_musb_init(struct musb *musb)
musb->isr = omap2430_musb_interrupt;
phy_init(musb->phy);
/*
* Enable runtime PM for musb parent (this driver). We can't
* do it earlier as struct musb is not yet allocated and we
* need to touch the musb registers for runtime PM.
*/
pm_runtime_enable(glue->dev);
status = pm_runtime_get_sync(glue->dev);
if (status < 0)
goto err1;
l = musb_readl(musb->mregs, OTG_INTERFSEL);
if (data->interface_type == MUSB_INTERFACE_UTMI) {
@ -376,11 +361,7 @@ static int omap2430_musb_init(struct musb *musb)
if (glue->status != MUSB_UNKNOWN)
omap_musb_set_mailbox(glue);
pm_runtime_put(glue->dev);
return 0;
err1:
return status;
}
static void omap2430_musb_enable(struct musb *musb)
@ -588,11 +569,9 @@ static int omap2430_probe(struct platform_device *pdev)
goto err2;
}
/*
* Note that we cannot enable PM runtime yet for this
* driver as we need struct musb initialized first.
* See omap2430_musb_init above.
*/
pm_runtime_enable(glue->dev);
pm_runtime_use_autosuspend(glue->dev);
pm_runtime_set_autosuspend_delay(glue->dev, 500);
ret = platform_device_add(musb);
if (ret) {
@ -618,6 +597,7 @@ static int omap2430_remove(struct platform_device *pdev)
platform_device_unregister(glue->musb);
omap2430_set_power(musb, false, false);
pm_runtime_put_sync(glue->dev);
pm_runtime_dont_use_autosuspend(glue->dev);
pm_runtime_disable(glue->dev);
return 0;