From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko =?ISO-8859-1?Q?St=FCbner?= Subject: Re: [PATCH 1/3] ARM: multi_v7_defconfig: enable Rockchip io-domain driver Date: Wed, 23 Dec 2015 01:10:58 +0100 Message-ID: <5336978.7p06ZKmlEQ@diego> References: <2111669.2aeXLpXsWE@diego> <20151222225614.GL30172@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20151222225614.GL30172@localhost> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Olof Johansson Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, arm-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-rockchip.vger.kernel.org Am Dienstag, 22. Dezember 2015, 14:56:14 schrieb Olof Johansson: > On Mon, Dec 21, 2015 at 10:21:14PM +0100, Heiko St?bner wrote: > > The io-domain driver is necessary to notify the soc about voltages changes > > happening on supplying regulators. Probably the most important user right > > now is the mmc tuning code, where the soc needs to get notified when the > > voltage is dropped to the 1.8V point. > > > > As this option is necessary to sucessfully tune UHS cards etc, it should > > get built in. > > > > Signed-off-by: Heiko Stuebner > > --- > > When booting a Veyron-Jerry from an sd-card it got stuck, as the tuning > > failed due to the missing voltage notification and the mmc completely > > fails initialization of the card, if this happens. > > With this option enabled, I could again boot from my sd-card. > > > > This is based on the > > Looks cut off :) I only wanted to say that this is based on the latest multi_v7 from the armsoc/defconfig branch, but it looks I forgot to finish that sentence ;-) > Anyway, applied 1-3. Thanks Heiko