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usb: phy: twl4030-usb: Simplify phy init to use runtime PM 

We can now let the interrupt and delayed work do all that's
needed with runtime PM.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Tony Lindgren 2014-08-27 16:28:08 -07:00 committed by Kishon Vijay Abraham I
parent bb419402cc
commit 62dc5769bb
1 changed files with 3 additions and 17 deletions
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20
drivers/phy/phy-twl4030-usb.c
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@ -471,16 +471,8 @@ static int twl4030_phy_power_on(struct phy *phy)
twl4030_usb_set_mode(twl, twl->usb_mode);
if (twl->usb_mode == T2_USB_MODE_ULPI)
twl4030_i2c_access(twl, 0);
schedule_delayed_work(&twl->id_workaround_work, 0);
/*
* XXX When VBUS gets driven after musb goes to A mode,
* ID_PRES related interrupts no longer arrive, why?
* Register itself is updated fine though, so we must poll.
*/
if (twl->linkstat == OMAP_MUSB_ID_GROUND) {
cancel_delayed_work(&twl->id_workaround_work);
schedule_delayed_work(&twl->id_workaround_work, HZ);
}
return 0;
}
@ -612,16 +604,9 @@ static void twl4030_id_workaround_work(struct work_struct *work)
static int twl4030_phy_init(struct phy *phy)
{
struct twl4030_usb *twl = phy_get_drvdata(phy);
enum omap_musb_vbus_id_status status;
pm_runtime_get_sync(twl->dev);
status = twl4030_usb_linkstat(twl);
twl->linkstat = status;
if (status == OMAP_MUSB_ID_GROUND || status == OMAP_MUSB_VBUS_VALID)
omap_musb_mailbox(twl->linkstat);
sysfs_notify(&twl->dev->kobj, NULL, "vbus");
schedule_delayed_work(&twl->id_workaround_work, 0);
pm_runtime_mark_last_busy(twl->dev);
pm_runtime_put_autosuspend(twl->dev);
@ -698,6 +683,7 @@ static int twl4030_usb_probe(struct platform_device *pdev)
twl->dev = &pdev->dev;
twl->irq = platform_get_irq(pdev, 0);
twl->vbus_supplied = false;
twl->linkstat = -EINVAL;
twl->asleep = 1;
twl->linkstat = OMAP_MUSB_UNKNOWN;