linux-kernel - Re: [PATCH 4/4] mmc: omap_hsmmc: Simplify init for twl6030 MMC card detect

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Message-ID: <20120307173152.GG12083@atomide.com>
Date:	Wed, 7 Mar 2012 09:31:52 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Chris Ball <cjb@...top.org>
Cc:	"T Krishnamoorthy, Balaji" <balajitk@...com>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Rajendra Nayak <rnayak@...com>
Subject: Re: [PATCH 4/4] mmc: omap_hsmmc: Simplify init for twl6030 MMC
 card detect

* Chris Ball <cjb@...top.org> [120307 07:11]:
> Hi Balaji,
> 
> On Wed, Mar 07 2012, T Krishnamoorthy, Balaji wrote:
> > OMAP4 and OMAP3 HSMMC IP registers differ by 0x100 offset.
> > Addng the offset to platform_device resource structure
> > increments the start address for every insmod operation.
> > MMC command fails on re-insertion as module due incorrect register base.
> > Fix this by updating the ioremap base address only.
> >
> > Signed-off-by: Balaji T K <balajitk@...com>
> 
> Is this a regression, or has it never worked in mainline?

"Features that never worked originally" so this can wait for the
merge window. It happens on re-inserting of the card.
 
> > Note:  eMMC detection is still failing on resertion due to card vcc
> > power off on rmmod
> 
> And this?

That sounds like a separate issue that needs to be fixed.

Regards,

Tony
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