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Subject[PATCH 4/5] usb: phy: twl4030-usb: Remove asleep and rely on runtime PM
Date
There's no longer need for tracking the phy state in the driver
with asleep, we can now rely on runtime PM.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/phy/phy-twl4030-usb.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
index 519cc90..24ff3c6 100644
--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -163,7 +163,6 @@ struct twl4030_usb {
int irq;
enum omap_musb_vbus_id_status linkstat;
bool vbus_supplied;
- u8 asleep;

struct delayed_work id_workaround_work;
};
@@ -388,14 +387,13 @@ static int twl4030_usb_runtime_suspend(struct device *dev)
struct twl4030_usb *twl = dev_get_drvdata(dev);

dev_dbg(twl->dev, "%s\n", __func__);
- if (twl->asleep)
+ if (pm_runtime_suspended(dev))
return 0;

__twl4030_phy_power(twl, 0);
regulator_disable(twl->usb1v5);
regulator_disable(twl->usb1v8);
regulator_disable(twl->usb3v1);
- twl->asleep = 1;

return 0;
}
@@ -406,7 +404,7 @@ static int twl4030_usb_runtime_resume(struct device *dev)
int res;

dev_dbg(twl->dev, "%s\n", __func__);
- if (!twl->asleep)
+ if (pm_runtime_active(dev))
return 0;

res = regulator_enable(twl->usb3v1);
@@ -435,7 +433,6 @@ static int twl4030_usb_runtime_resume(struct device *dev)
twl4030_usb_read(twl, PHY_CLK_CTRL) |
(PHY_CLK_CTRL_CLOCKGATING_EN |
PHY_CLK_CTRL_CLK32K_EN));
- twl->asleep = 0;

return 0;
}
@@ -560,10 +557,10 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
*/
if ((status == OMAP_MUSB_VBUS_VALID) ||
(status == OMAP_MUSB_ID_GROUND)) {
- if (twl->asleep)
+ if (pm_runtime_suspended(twl->dev))
pm_runtime_get_sync(twl->dev);
} else {
- if (!twl->asleep) {
+ if (pm_runtime_active(twl->dev)) {
pm_runtime_mark_last_busy(twl->dev);
pm_runtime_put_autosuspend(twl->dev);
}
@@ -572,7 +569,7 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
}

/* don't schedule during sleep - irq works right then */
- if (status == OMAP_MUSB_ID_GROUND && !twl->asleep) {
+ if (status == OMAP_MUSB_ID_GROUND && pm_runtime_active(twl->dev)) {
cancel_delayed_work(&twl->id_workaround_work);
schedule_delayed_work(&twl->id_workaround_work, HZ);
}
@@ -674,7 +671,6 @@ static int twl4030_usb_probe(struct platform_device *pdev)
twl->irq = platform_get_irq(pdev, 0);
twl->vbus_supplied = false;
twl->linkstat = -EINVAL;
- twl->asleep = 1;
twl->linkstat = OMAP_MUSB_UNKNOWN;

twl->phy.dev = twl->dev;
--
1.8.1.1


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