From: Stefan Roese <stefan.roese@gmail.com>
To: linux-mmc@vger.kernel.org
Cc: Balaji T K <balajitk@ti.com>
Subject: Re: omap_hsmmc: Problem with SanDisk Extreme Pro MicroSDHC 1
Date: Tue, 08 Apr 2014 16:09:44 +0200 [thread overview]
Message-ID: <53440328.5010609@gmail.com> (raw)
In-Reply-To: <5342AC5C.8000904@gmail.com>
On 07.04.2014 15:47, Stefan Roese wrote:
> I'm currently testing on an OMAP3530 board (tao3530 SOM with custom
> baseboard) with v3.14. I applied all the OMAP/pbias patch from Balaji
> and MMC/SDcard detection seemed to work reliably.
>
> But now I noticed that the SanDisk Extreme Pro MicroSDHC 1 (8 GB) is not
> detected all the time. It seems that the card detected fails with
> timeout on (approx?) each 2nd reboot (via reset button). A quick check
> shows that the timeout happens in mmc_send_app_op_cond():
>
> [ 4.901275] mmc0: error -110 whilst initialising SD card
> [ 4.939849] mmc1: new SDIO card at address 0001
>
> Is this a known issue? Any ideas on how to fix this?
Just to let you know. I missed to add the "cd-gpios" property to the mmc
DT node. With this addition the detection seems to work reliably.
Sorry for the noise,
Stefan
prev parent reply other threads:[~2014-04-08 14:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-07 13:47 omap_hsmmc: Problem with SanDisk Extreme Pro MicroSDHC 1 Stefan Roese
2014-04-08 14:09 ` Stefan Roese [this message]
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