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From: Lan Tianyu <tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
	lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	sarah.a.sharp-VuQAYsv1563Yd54FQh9/CA@public.gmane.org
Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org,
	Lan Tianyu <tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: [PATCH 1/3] xhci: Add clear PORT_POWER feature process in the xhci_hub_control()
Date: Mon, 11 Jun 2012 10:24:32 +0800	[thread overview]
Message-ID: <1339381474-17413-2-git-send-email-tianyu.lan@intel.com> (raw)
In-Reply-To: <1339381474-17413-1-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

This patch is to add process of clearing PORT_POWER feature request
for xhci hub.

Signed-off-by: Lan Tianyu <tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 drivers/usb/host/xhci-hub.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 2732ef6..2c55fcf 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -827,6 +827,10 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			xhci_disable_port(hcd, xhci, wIndex,
 					port_array[wIndex], temp);
 			break;
+		case USB_PORT_FEAT_POWER:
+			xhci_writel(xhci, temp & ~PORT_POWER,
+				port_array[wIndex]);
+			break;
 		default:
 			goto error;
 		}
-- 
1.7.6.rc2.8.g28eb

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  parent reply	other threads:[~2012-06-11  2:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-11  2:24 [PATCH 0/3] USB/ACPI: Add usb port power off mechanism Lan Tianyu
     [not found] ` <1339381474-17413-1-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2012-06-11  2:24   ` Lan Tianyu [this message]
2012-06-11  2:24 ` [PATCH 2/3] USB/ACPI: Add usb port's acpi power control in the xhci PORT_POWER feature request process Lan Tianyu
2012-06-13 19:30   ` Greg KH
2012-06-13 20:53     ` Sarah Sharp
2012-06-13 21:00       ` Greg KH
     [not found]     ` <20120613193038.GA6312-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-06-13 21:10       ` Alan Stern
2012-06-13 21:35         ` Sarah Sharp
2012-06-14  7:22       ` Lan Tianyu
2012-06-14 15:44         ` Greg KH
2012-06-15  7:05           ` Lan Tianyu
2012-06-11  2:24 ` [PATCH 3/3] usb : Add sysfs files to control usb port's power Lan Tianyu
2012-06-11 14:12   ` Alan Stern
     [not found]   ` <1339381474-17413-4-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2012-06-13 19:33     ` Greg KH
     [not found]       ` <20120613193323.GB6312-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-06-13 21:15         ` Alan Stern
2012-06-13 21:46           ` Greg KH
2012-06-14 13:57             ` Alan Stern
2012-06-14 14:35               ` Greg KH

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