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From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] mmc: disable UHS modes if Vcc cannot be switched on and off
Date: Tue, 23 Jan 2018 12:03:24 +0000	[thread overview]
Message-ID: <1516709004.5399.69.camel@synopsys.com> (raw)
In-Reply-To: <1471c6d2-c7f9-f9ea-2a3f-db853a133965@samsung.com>

On Tue, 2018-01-23 at 10:44 +0900, Jaehoon Chung wrote:
> On 01/23/2018 03:38 AM, Eugeniy Paltsev wrote:
> > Hi Jean-Jacques,
> > 
> > after commit "mmc: disable UHS modes if Vcc cannot be switched on and off" (04a2ea248f)
> > we got MMC broken on several (at least two) platforms with DesignWare MMC controller.
> > 
> > The error log (with debug enabled in drivers/mmc/mmc.c and drivers/mmc/dw_mmc.c) is next:
> > --------------->8-------------
> > MMC:   Synopsys Mobile storage: 0
> > Buswidth = 0, clock: 400000
> > selecting mode MMC legacy (freq : 0 MHz)
> > Buswidth = 1, clock: 400000
> > Buswidth = 1, clock: 400000
> > Sending CMD0
> > dwmci_send_cmd: Timeout.
> > mmc_init: -110, time 19
> > ** Bad device mmc 0 **
> > --------------->8-------------
> > 
> > Any ideas how to fix this?
> 
> Could you share which git repository you use? 

I use u-boot master branch from git://git.denx.de/u-boot.git

last commits:
--------------->8-------------
485c13c Merge git://git.denx.de/u-boot-dm
b79221a lib: fdtdec: Fix some style violations
2e38662 lib: fdtdec: Fix whitespace style violations
29d11b8 core: Make device_is_compatible live-tree compatible
147c607 core: Add {ofnode, dev}_translate_address functions
--------------->8-------------

> Best Regards,
> Jaehoon Chung
> 
> > 
> > Thanks.
> > 
> 
> 
-- 
 Eugeniy Paltsev

  reply	other threads:[~2018-01-23 12:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20180122183900epcas2p2400da7fe3ed0e00a07272450aee92a17@epcas2p2.samsung.com>
2018-01-22 18:38 ` [U-Boot] mmc: disable UHS modes if Vcc cannot be switched on and off Eugeniy Paltsev
2018-01-23  1:44   ` Jaehoon Chung
2018-01-23 12:03     ` Eugeniy Paltsev [this message]
2018-01-24  8:28       ` Jaehoon Chung
2018-01-24 14:23         ` Eugeniy Paltsev

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