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From: Heiko Stuebner <heiko@sntech.de>
To: Doug Anderson <dianders@chromium.org>,
	Shawn Lin <shawn.lin@rock-chips.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Sonny Rao <sonnyrao@chromium.org>,
	Alexandru Stan <amstan@chromium.org>,
	"open list:ARM/Rockchip SoC..."
	<linux-rockchip@lists.infradead.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mmc: dw_mmc: Consider HLE errors to be data and command errors
Date: Wed, 18 May 2016 20:01:44 +0200	[thread overview]
Message-ID: <9061286.nTNVjb4bva@phil> (raw)
In-Reply-To: <CAD=FV=UoT2GRYWJWXEn_ccvKGgC+PzQM_BCtLHAa7jxzbaQ9SA@mail.gmail.com>

Am Mittwoch, 18. Mai 2016, 10:37:52 schrieb Doug Anderson:
> Note: I'd be very curious if your problems get better if you disable
> the "grf_force_jtag" bit in the GRF.  If you're using the builtin card
> detect and you use the boot default of "grf_force_jtag" then your pins
> will be unmuxed behind your back when the card is ejected.  This could
> be causing the dw_mmc controller to get confused.

On the rk3288, we saw issues with the jtag/sdmmc function and thus disabled 
that altogether in [0]. Not sure if that is a similar problem for you.

Heiko

[0] 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9b75d51c940c25587a2ad72ec7ec60490abfb6c

  reply	other threads:[~2016-05-18 18:02 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-10 15:48 Doug Anderson
2015-03-13 11:30 ` Jaehoon Chung
2015-03-13 20:27   ` Doug Anderson
2015-03-16  5:56     ` Jaehoon Chung
2015-03-30  0:55       ` Jaehoon Chung
2015-03-30 15:47         ` Doug Anderson
2016-05-18  0:47           ` Doug Anderson
2016-05-18  1:59             ` Shawn Lin
2016-05-18  4:12               ` Doug Anderson
2016-05-18  9:14                 ` Shawn Lin
2016-05-18 17:37                   ` Doug Anderson
2016-05-18 18:01                     ` Heiko Stuebner [this message]
2016-05-19 11:31                     ` Shawn Lin
2016-05-19 13:07                       ` Jaehoon Chung
2016-05-26  2:23                         ` Shawn Lin
2016-05-26  3:59                           ` Jaehoon Chung
2016-05-26  4:07                             ` Shawn Lin
2016-05-18  2:08             ` Jaehoon Chung
2016-05-18  4:13               ` Doug Anderson

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