linux-kernel - Re: SDHCI regression since 2.6.39

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Date:	Tue, 13 Sep 2011 09:22:41 -0400
From:	Chris Ball <cjb@...top.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	linux-mmc@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: SDHCI regression since 2.6.39

Hi Jeremy,

On Mon, Sep 12 2011, Jeremy Fitzhardinge wrote:
> Since 2.6.39, the SD card slot in my Lenovo X220 has stopped working.  
> When I insert a card with current linux.git kernel (3.1-rc6), I get:
>
> [ 3891.745549] mmc0: new SDHC card at address b368
> [ 3891.790704] mmcblk0: mmc0:b368 PNY   7.51 GiB 
> [ 3891.795568] mmc0: Got data interrupt 0x00200000 even though no data
> operation was in progress.

Please could you try reverting a3c7778f8153b9 "mmc: sdhci: R1B command
handling + MMC_CAP_ERASE"?  We've had one other similar report that
bisected to this patch.

Thanks,

- Chris.
-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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