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authorHema HK <hemahk@ti.com>2011-02-17 07:36:08 +0100
committerFelipe Balbi <balbi@ti.com>2011-02-18 13:05:50 +0100
commit070b8ed96e01adeb978d4f8487fb1350a28fcd0d (patch)
treec99e976d3bc669459d42dd5f7f9341bf540b009f /drivers/usb/otg
parentusb: otg: OMAP4430: Introducing suspend function for power management (diff)
downloadlinux-070b8ed96e01adeb978d4f8487fb1350a28fcd0d.tar.xz
linux-070b8ed96e01adeb978d4f8487fb1350a28fcd0d.zip
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>
Diffstat (limited to 'drivers/usb/otg')
-rw-r--r--drivers/usb/otg/twl6030-usb.c13
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");