From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomasz.figa@gmail.com (Tomasz Figa) Date: Fri, 25 Apr 2014 22:16:30 +0200 Subject: [PATCH] ARM: dts: Remove vmmc-supply for mmc@12220000 on arndale-octa board In-Reply-To: <1398456672-3936-1-git-send-email-javi.merino@arm.com> References: <1398456672-3936-1-git-send-email-javi.merino@arm.com> Message-ID: <535AC29E.8010905@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Javi, On 25.04.2014 22:11, Javi Merino wrote: > d726ca2d3316 (ARM: dts: Add vmmc-supply to MMC on arndale-octa board) > added the vmmc-supply to nodes mmc at 12200000 and mmc at 12220000 of the > DT. However, this makes the kernel fail to boot on the arndale-octa > spews: > > [ 5.060000] dwmmc_exynos 12200000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.065000] platform 12200000.mmc: Driver dwmmc_exynos requests probe deferral > [ 5.075000] dwmmc_exynos 12220000.mmc: num-slots property not found, assuming 1 slot is available > [ 5.085000] platform 12220000.mmc: Driver dwmmc_exynos requests probe deferral > > And eventually hangs. Without the vmmc-supply property in the > mmc at 12220000 node, the kernel boots again. > > Signed-off-by: Javi Merino > --- > > Hi, > > Note that I don't know *why* removing the property works, all I know > is that 3.15-rc2 fails to boot on my Arndale Octa unless I apply this > patch. Are you sure you have the required PMIC driver enabled in your kernel config? Best regards, Tomasz