From: Xuebing Wang <xbing6@gmail.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: "linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Shawn Guo <shawn.guo@linaro.org>,
Sascha Hauer <kernel@pengutronix.de>,
Ulf Hansson <ulf.hansson@linaro.org>, Felipe Balbi <balbi@ti.com>,
niranjan Patil <Niranjan.Patil@infocus.com>,
richard Jiang <Richard.Jiang@infocus.com>
Subject: Re: /dev/mmcblk0 (or /dev/mmcblk0p1) does not exist on Freescale iMX6SL board
Date: Thu, 30 Apr 2015 20:44:52 +0800 [thread overview]
Message-ID: <554223C4.9030506@gmail.com> (raw)
In-Reply-To: <CAOMZO5Dm3v=ig+aXRf7DqmXcTsiepYcFpXB9G2hpfMtRPtE4ag@mail.gmail.com>
On 04/30/2015 08:16 PM, Fabio Estevam wrote:
> On Thu, Apr 30, 2015 at 6:20 AM, Xuebing Wang <xbing6@gmail.com> wrote:
>> Hi linux-mmc community,
>>
>> I am working on a board which is very similar to Freescale iMX6SL EVK
>> (evaluation board), but /dev/mmcblk0 does not exist for kernel v4.0.1
> On my imx6sl-warp the eMMC is correctly detected when running kernel 4.0.
>
> Does it help if you apply this patch from 4.1-rc1?
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/mmc/host/sdhci.c?id=04e079cf6b24c794bbc52b04b370f84cb728540e
Fabio,
Thanks for your help.
Unfortunately, no, cherry-pick this patch from 4.1-rc1 into v4.0.1 has
the same result.
-------------------
[ 1.274968] Driver 'mmcblk' needs updating - please use bus_type methods
[ 1.301492] sdhci-esdhc-imx 2190000.usdhc: No vmmc regulator found
[ 1.307783] sdhci-esdhc-imx 2190000.usdhc: No vqmmc regulator found
[ 1.353890] mmc0: SDHCI controller on 2190000.usdhc [2190000.usdhc]
using ADMA
[ 1.365351] sdhci-esdhc-imx 2194000.usdhc: No vmmc regulator found
[ 1.371563] sdhci-esdhc-imx 2194000.usdhc: No vqmmc regulator found
[ 1.423823] mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc]
using ADMA
[ 1.435612] sdhci-esdhc-imx 2198000.usdhc: No vmmc regulator found
[ 1.441817] sdhci-esdhc-imx 2198000.usdhc: No vqmmc regulator found
[ 1.493731] mmc2: SDHCI controller on 2198000.usdhc [2198000.usdhc]
using ADMA
-------------------
It is worse if I use v4.1-rc1, it always keeps outputing below: (without
stop)
-------------------
[ 16.825778] mmc1: error -110 whilst initialising MMC card
[ 16.997726] mmc1: MAN_BKOPS_EN bit is not set
-------------------
> Regards,
>
> Fabio Estevam
>
--
Xuebing
next prev parent reply other threads:[~2015-04-30 12:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 9:20 /dev/mmcblk0 (or /dev/mmcblk0p1) does not exist on Freescale iMX6SL board Xuebing Wang
2015-04-30 12:16 ` Fabio Estevam
2015-04-30 12:44 ` Xuebing Wang [this message]
2015-04-30 12:51 ` Fabio Estevam
2015-04-30 13:01 ` Xuebing Wang
2015-04-30 13:06 ` Fabio Estevam
2015-04-30 13:15 ` Xuebing Wang
2015-05-01 10:39 ` Xuebing Wang
2015-05-01 15:03 ` Fabio Estevam
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