[PATCH v8 11/14] USB: notify phy when root hub port connect change
From: Richard Zhao <hidden>
Date: 2012-06-28 03:37:28
Also in:
linux-arm-kernel
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
Possibly related (same subject, not in this thread)
- 2012-06-29 · [PATCH v8 11/14] USB: notify phy when root hub port connect change · Richard Zhao <hidden>
Phy may need to change settings when port connect change. Signed-off-by: Richard Zhao <redacted> Tested-by: Subodh Nijsure <snijsure-4jo+YWezP1RWk0Htik3J/w@public.gmane.org> --- drivers/usb/core/hub.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 25a7422..6ecfb5e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c@@ -20,6 +20,7 @@ #include <linux/usb.h> #include <linux/usbdevice_fs.h> #include <linux/usb/hcd.h> +#include <linux/usb/otg.h> #include <linux/usb/quirks.h> #include <linux/kthread.h> #include <linux/mutex.h>
@@ -4034,6 +4035,13 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, } } + if (unlikely(hcd->phy && !hdev->parent)) { + if (portstatus & USB_PORT_STAT_CONNECTION) + usb_phy_notify_connect(hcd->phy, port1); + else + usb_phy_notify_disconnect(hcd->phy, port1); + } + /* Return now if debouncing failed or nothing is connected or * the device was "removed". */
--
1.7.9.5
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