[PATCH v2 01/12] usb: otg: add notify_connect_change callback
From: Richard Zhao <hidden>
Date: 2012-05-21 09:23:46
Also in:
linux-devicetree
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
Possibly related (same subject, not in this thread)
- 2012-05-22 · Re: [PATCH v2 01/12] usb: otg: add notify_connect_change callback · Richard Zhao <hidden>
- 2012-05-21 · Re: [PATCH v2 01/12] usb: otg: add notify_connect_change callback · Marek Vasut <hidden>
- 2012-05-21 · Re: [PATCH v2 01/12] usb: otg: add notify_connect_change callback · Greg KH <hidden>
- 2012-05-21 · Re: [PATCH v2 01/12] usb: otg: add notify_connect_change callback · Marek Vasut <hidden>
- 2012-05-21 · Re: [PATCH v2 01/12] usb: otg: add notify_connect_change callback · Greg KH <hidden>
This let usb phy driver has a chance to change hw settings when connect status change. Signed-off-by: Richard Zhao <redacted> --- include/linux/usb/otg.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 38ab3f4..385641d 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h@@ -117,6 +117,10 @@ struct usb_phy { int (*set_suspend)(struct usb_phy *x, int suspend); + /* notify phy connect status change */ + int (*notify_connect_change)(struct usb_phy *x, + int port, + int connected); };
@@ -252,6 +256,15 @@ usb_phy_set_suspend(struct usb_phy *x, int suspend) } static inline int +usb_phy_notify_connect_change(struct usb_phy *x, int port, int connected) +{ + if (x->notify_connect_change != NULL) + return x->notify_connect_change(x, port, connected); + else + return 0; +} + +static inline int otg_start_srp(struct usb_otg *otg) { if (otg && otg->start_srp)
--
1.7.5.4