diff options
| author | Tony Lindgren <tony@atomide.com> | 2014-08-27 16:28:08 -0700 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2014-09-24 15:18:32 +0530 |
| commit | 62dc5769bbd9f187e2e5df64f4e3b5affd48fe7b (patch) | |
| tree | a4b2bc13d11baa686ab30dd3bc82cf5778e705aa /drivers/phy | |
| parent | bb419402cc1075db508f9ee8cfff3618e111f744 (diff) | |
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>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/phy-twl4030-usb.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index bc28eccb029e..a292db01b503 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -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; |