From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: Re: [PATCH 1/2] mmc: dw_mmc: Make sure we only adjust the clock when power is on Date: Wed, 25 Feb 2015 19:25:22 +0100 Message-ID: <54EE1392.1020705@collabora.co.uk> References: <1424458639-23330-1-git-send-email-dianders@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1424458639-23330-1-git-send-email-dianders@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: Doug Anderson , Jaehoon Chung , Seungwon Jeon , Ulf Hansson Cc: Alim Akhtar , Sonny Rao , Andrew Bresticker , Heiko Stuebner , Addy Ke , Alexandru Stan , chris@printf.net, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-mmc@vger.kernel.org Hello Doug, On 02/20/2015 07:57 PM, Doug Anderson wrote: > It appears that we can confuse things if we try to turn on the MMC > clock when the power is off. Adjust is so that we turn the clock on > (using dw_mci_setup_bus) after power is all the way on and we turn the > clock off before the power goes off. > > Signed-off-by: Doug Anderson On an Exynos5250 Snow, Exynos5420 Peach Pit and Exynos5800 Peach Pi: Tested-by: Javier Martinez Canillas Best regards, Javier