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path: root/drivers/usb/otg/ab8500-usb.c
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Diffstat (limited to 'drivers/usb/otg/ab8500-usb.c')
-rw-r--r--drivers/usb/otg/ab8500-usb.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c
index a698165135e..7efd64b3bc5 100644
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/otg/ab8500-usb.c
@@ -484,6 +484,26 @@ static unsigned ab8500_eyediagram_workaroud(struct ab8500_usb *ab, unsigned mA)
return mA;
}
+#ifdef CONFIG_USB_OTG_20
+static int ab8500_usb_start_srp(struct usb_phy *phy, unsigned mA)
+{
+ struct ab8500_usb *ab;
+
+ if (!phy)
+ return -ENODEV;
+
+ ab = phy_to_ab(phy);
+
+ atomic_notifier_call_chain(&ab->phy.notifier,
+ USB_EVENT_PREPARE,
+ &ab->vbus_draw);
+
+ ab8500_usb_peri_phy_en(ab);
+
+ return 0;
+}
+#endif
+
static int ab8500_usb_set_power(struct usb_phy *phy, unsigned mA)
{
struct ab8500_usb *ab;
@@ -838,6 +858,9 @@ static int __devinit ab8500_usb_probe(struct platform_device *pdev)
otg->phy = &ab->phy;
otg->set_host = ab8500_usb_set_host;
otg->set_peripheral = ab8500_usb_set_peripheral;
+#ifdef CONFIG_USB_OTG_20
+ ab->otg.start_srp = ab8500_usb_start_srp;
+#endif
ab->sysfs_flag = true;
platform_set_drvdata(pdev, ab);