usb: otg: TWL6030: Introduce the twl6030_phy_suspend function.

Introduce the twl6030_phy_suspend function and assign to otg.set_suspend
function pointer.
This function is used by the musb-omap2430 platform driver
during suspend/resume.

Signed-off-by: Hema HK <hemahk@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 88989e61430c..b4eda02c97f7 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -177,6 +177,17 @@ static void twl6030_phy_shutdown(struct otg_transceiver *x)
         pdata->phy_power(twl->dev, 0, 0);
 }
 
+static int twl6030_phy_suspend(struct otg_transceiver *x, int suspend)
+{
+        struct twl6030_usb *twl = xceiv_to_twl(x);
+        struct device *dev = twl->dev;
+        struct twl4030_usb_data *pdata = dev->platform_data;
+
+        pdata->phy_suspend(dev, suspend);
+
+        return 0;
+}
+
 static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
 {
 
@@ -388,6 +399,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
         twl->otg.set_vbus       = twl6030_set_vbus;
         twl->otg.init           = twl6030_phy_init;
         twl->otg.shutdown       = twl6030_phy_shutdown;
+        twl->otg.set_suspend    = twl6030_phy_suspend;
 
         /* init spinlock for workqueue */
         spin_lock_init(&twl->lock);
@@ -432,6 +444,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
 
         twl->asleep = 0;
         pdata->phy_init(dev);
+        twl6030_phy_suspend(&twl->otg, 0);
         twl6030_enable_irq(&twl->otg);
         dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");