From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail issue Date: Tue, 23 Feb 2016 10:32:04 -0800 Message-ID: <7hlh6bth0b.fsf@baylibre.com> References: <1455861643-24307-1-git-send-email-eddie.huang@mediatek.com> <7h37skw9jd.fsf@baylibre.com> <56CC1E0E.4050400@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <56CC1E0E.4050400-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> (Matthias Brugger's message of "Tue, 23 Feb 2016 09:53:34 +0100") Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matthias Brugger Cc: Eddie Huang , Henry Chen , Chaotian Jing , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org List-Id: linux-mediatek@lists.infradead.org Matthias Brugger writes: > On 23/02/16 01:32, Kevin Hilman wrote: >> Eddie Huang writes: >> >>> MT8173 E1 chip has one bug that if turn off USB power domain, vcore >>> power will also be off, thus cause modules using vcore power domain >>> fail, like MMC. The E1 chip only found on MT8173-evb board and this >>> board only has E1 chip, so implement this as a board specific >>> workaround. >>> >>> Pwrapper use vcore power, so add pwrapper using USB power domain to >>> keep USB power domain not to zero and disabled. >>> >>> Signed-off-by: Eddie Huang >> >> Tested-by: Kevin Hilman >> > > I send the patch in a pull request yesterday, so I won't be able to > add your tag. No worries. Was on vacation, so couldn't test sooner. > Thanks for testing and reporting this issue! You're welcome, Kevin -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@baylibre.com (Kevin Hilman) Date: Tue, 23 Feb 2016 10:32:04 -0800 Subject: [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail issue In-Reply-To: <56CC1E0E.4050400@gmail.com> (Matthias Brugger's message of "Tue, 23 Feb 2016 09:53:34 +0100") References: <1455861643-24307-1-git-send-email-eddie.huang@mediatek.com> <7h37skw9jd.fsf@baylibre.com> <56CC1E0E.4050400@gmail.com> Message-ID: <7hlh6bth0b.fsf@baylibre.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Matthias Brugger writes: > On 23/02/16 01:32, Kevin Hilman wrote: >> Eddie Huang writes: >> >>> MT8173 E1 chip has one bug that if turn off USB power domain, vcore >>> power will also be off, thus cause modules using vcore power domain >>> fail, like MMC. The E1 chip only found on MT8173-evb board and this >>> board only has E1 chip, so implement this as a board specific >>> workaround. >>> >>> Pwrapper use vcore power, so add pwrapper using USB power domain to >>> keep USB power domain not to zero and disabled. >>> >>> Signed-off-by: Eddie Huang >> >> Tested-by: Kevin Hilman >> > > I send the patch in a pull request yesterday, so I won't be able to > add your tag. No worries. Was on vacation, so couldn't test sooner. > Thanks for testing and reporting this issue! You're welcome, Kevin From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754915AbcBWScJ (ORCPT ); Tue, 23 Feb 2016 13:32:09 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:36767 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754748AbcBWScG (ORCPT ); Tue, 23 Feb 2016 13:32:06 -0500 From: Kevin Hilman To: Matthias Brugger Cc: Eddie Huang , Henry Chen , Chaotian Jing , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com Subject: Re: [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail issue Organization: BayLibre References: <1455861643-24307-1-git-send-email-eddie.huang@mediatek.com> <7h37skw9jd.fsf@baylibre.com> <56CC1E0E.4050400@gmail.com> Date: Tue, 23 Feb 2016 10:32:04 -0800 In-Reply-To: <56CC1E0E.4050400@gmail.com> (Matthias Brugger's message of "Tue, 23 Feb 2016 09:53:34 +0100") Message-ID: <7hlh6bth0b.fsf@baylibre.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Matthias Brugger writes: > On 23/02/16 01:32, Kevin Hilman wrote: >> Eddie Huang writes: >> >>> MT8173 E1 chip has one bug that if turn off USB power domain, vcore >>> power will also be off, thus cause modules using vcore power domain >>> fail, like MMC. The E1 chip only found on MT8173-evb board and this >>> board only has E1 chip, so implement this as a board specific >>> workaround. >>> >>> Pwrapper use vcore power, so add pwrapper using USB power domain to >>> keep USB power domain not to zero and disabled. >>> >>> Signed-off-by: Eddie Huang >> >> Tested-by: Kevin Hilman >> > > I send the patch in a pull request yesterday, so I won't be able to > add your tag. No worries. Was on vacation, so couldn't test sooner. > Thanks for testing and reporting this issue! You're welcome, Kevin