From: rtatiya@codeaurora.org
To: sarah.a.sharp@linux.intel.com, linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Rupesh Tatiya <rtatiya@codeaurora.org>
Subject: [PATCH] usb: Enable LPM for USB 2.01+ full-speed devices
Date: Wed, 25 Mar 2015 12:23:19 +0530 [thread overview]
Message-ID: <1427266399-19124-1-git-send-email-rtatiya@codeaurora.org> (raw)
From: Rupesh Tatiya <rtatiya@codeaurora.org>
USB 2.01+ full-speed devices can have extended descriptor as well
and can support LPM.
Change-Id: Ic055d51c02651810d3eb7141bab20a090fe8453b
Signed-off-by: Rupesh Tatiya <rtatiya@codeaurora.org>
---
drivers/usb/core/hub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 9ef2d2c..1ed7b5d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -140,7 +140,7 @@ static int usb_device_supports_lpm(struct usb_device *udev)
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
- if (udev->speed == USB_SPEED_HIGH) {
+ if (udev->speed == USB_SPEED_HIGH || udev->speed == USB_SPEED_FULL) {
if (udev->bos->ext_cap &&
(USB_LPM_SUPPORT &
le32_to_cpu(udev->bos->ext_cap->bmAttributes)))
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next reply other threads:[~2015-03-25 6:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-25 6:53 rtatiya [this message]
2015-03-25 6:58 ` [PATCH] usb: Enable LPM for USB 2.01+ full-speed devices Greg KH
[not found] ` <20150325065824.GA25520-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-04-08 11:27 ` rtatiya-sgV2jX0FEOL9JmXXK+q4OQ
2015-04-08 11:27 ` rtatiya
2015-04-08 11:37 ` Greg KH
[not found] ` <6101704ff4dc2e95b67146ed26d01c9f.squirrel-mMfbam+mt9083fI46fginR2eb7JE58TQ@public.gmane.org>
2015-04-08 13:24 ` gpramod-sgV2jX0FEOL9JmXXK+q4OQ
2015-04-08 13:24 ` gpramod
2015-04-14 11:06 ` [PATCH v2] " Rupesh Tatiya
[not found] ` <1427266399-19124-1-git-send-email-rtatiya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2015-03-25 8:41 ` [PATCH] " Oliver Neukum
2015-03-25 8:41 ` Oliver Neukum
2015-04-08 11:24 ` rtatiya
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1427266399-19124-1-git-send-email-rtatiya@codeaurora.org \
--to=rtatiya@codeaurora.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=sarah.a.sharp@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.