From: mkl@pengutronix.de (Marc Kleine-Budde)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 17/17] usb: phy-mxs: do not set PWD.RXPWD1PT1 for low speed connection
Date: Tue, 03 Dec 2013 10:28:44 +0100 [thread overview]
Message-ID: <529DA44C.9090702@pengutronix.de> (raw)
In-Reply-To: <F281D0F91ED19E4D8E63A7504E8A649804141031@039-SN2MPN1-021.039d.mgd.msft.net>
On 12/03/2013 10:19 AM, Peter Chen wrote:
>> On 12/03/2013 08:37 AM, Peter Chen wrote:
>>> At very rare cases, the SoF will not send out after resume with
>>> low speed connection. The workaround is do not power down
>>> PWD.RXPWD1PT1 bit during the suspend.
>>
>> Is this also a fix for newly added code? If so please also squash.
> No, it is a workaround for new problem.
If this would be a fix, it's better to put this as first patch into a
series, so that it can be applied to the stable trees easier.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Peter Chen <Peter.Chen@freescale.com>
Cc: "balbi@ti.com" <balbi@ti.com>,
"shawn.guo@linaro.org" <shawn.guo@linaro.org>,
"rob.herring@calxeda.com" <rob.herring@calxeda.com>,
"grant.likely@linaro.org" <grant.likely@linaro.org>,
"alexander.shishkin@linux.intel.com"
<alexander.shishkin@linux.intel.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"festevam@gmail.com" <festevam@gmail.com>,
"marex@denx.de" <marex@denx.de>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"m.grzeschik@pengutronix.de" <m.grzeschik@pengutronix.de>,
Frank Li <Frank.Li@freescale.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v4 17/17] usb: phy-mxs: do not set PWD.RXPWD1PT1 for low speed connection
Date: Tue, 03 Dec 2013 10:28:44 +0100 [thread overview]
Message-ID: <529DA44C.9090702@pengutronix.de> (raw)
In-Reply-To: <F281D0F91ED19E4D8E63A7504E8A649804141031@039-SN2MPN1-021.039d.mgd.msft.net>
[-- Attachment #1: Type: text/plain, Size: 803 bytes --]
On 12/03/2013 10:19 AM, Peter Chen wrote:
>> On 12/03/2013 08:37 AM, Peter Chen wrote:
>>> At very rare cases, the SoF will not send out after resume with
>>> low speed connection. The workaround is do not power down
>>> PWD.RXPWD1PT1 bit during the suspend.
>>
>> Is this also a fix for newly added code? If so please also squash.
> No, it is a workaround for new problem.
If this would be a fix, it's better to put this as first patch into a
series, so that it can be applied to the stable trees easier.
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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next prev parent reply other threads:[~2013-12-03 9:28 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-03 7:36 [PATCH v4 00/17] Add power management support for mxs phy Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 7:36 ` [PATCH v4 01/17] usb: doc: phy-mxs: Add more compatible strings Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 7:36 ` [PATCH v4 02/17] usb: phy-mxs: Add platform judgement code Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 8:38 ` Marc Kleine-Budde
2013-12-03 8:38 ` Marc Kleine-Budde
2013-12-03 8:12 ` Peter Chen
2013-12-03 8:12 ` Peter Chen
2013-12-03 10:24 ` Michael Grzeschik
2013-12-03 10:24 ` Michael Grzeschik
2013-12-03 14:09 ` Peter Chen
2013-12-03 14:09 ` Peter Chen
2013-12-03 7:36 ` [PATCH v4 03/17] usb: phy-mxs: Add auto clock and power setting Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 7:36 ` [PATCH v4 04/17] usb: doc: phy-mxs: update binding for adding anatop phandle Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 7:36 ` [PATCH v4 05/17] ARM: dts: imx6: add anatop phandle for usbphy Peter Chen
2013-12-03 7:36 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 06/17] usb: phy-mxs: Add anatop regmap Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 07/17] usb: phy: add notify suspend and resume callback Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 08/17] usb: phy-mxs: Add implementation of nofity_suspend and notify_resume Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 09/17] usb: phy-mxs: Enable IC fixes for related SoCs Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 8:27 ` Marc Kleine-Budde
2013-12-03 8:27 ` Marc Kleine-Budde
2013-12-03 8:38 ` Peter Chen
2013-12-03 8:38 ` Peter Chen
2013-12-03 8:43 ` Marc Kleine-Budde
2013-12-03 8:43 ` Marc Kleine-Budde
2013-12-03 8:49 ` Peter Chen
2013-12-03 8:49 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 10/17] usb: phy: Add set_wakeup API Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 11/17] usb: phy-mxs: Add implementation of set_wakeup Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 12/17] usb: phy-mxs: Add system suspend/resume API Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 13/17] usb: phy-mxs: Add sync time after controller clear phcd Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 14/17] ARM: dts: imx: add mxs phy controller id Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 15/17] usb: phy-mxs: add " Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 16/17] usb: phy-mxs: fix the problem by only using 1st controller's register Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 8:34 ` Marc Kleine-Budde
2013-12-03 8:34 ` Marc Kleine-Budde
2013-12-03 8:12 ` Peter Chen
2013-12-03 8:12 ` Peter Chen
2013-12-03 7:37 ` [PATCH v4 17/17] usb: phy-mxs: do not set PWD.RXPWD1PT1 for low speed connection Peter Chen
2013-12-03 7:37 ` Peter Chen
2013-12-03 8:53 ` Marc Kleine-Budde
2013-12-03 8:53 ` Marc Kleine-Budde
2013-12-03 9:19 ` Peter Chen
2013-12-03 9:19 ` Peter Chen
2013-12-03 9:28 ` Marc Kleine-Budde [this message]
2013-12-03 9:28 ` Marc Kleine-Budde
2013-12-03 9:48 ` Peter Chen
2013-12-03 9:48 ` Peter Chen
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