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

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Date:	Wed, 07 Mar 2012 10:42:18 -0500
From:	Chris Ball <cjb@...top.org>
To:	"T Krishnamoorthy\, Balaji" <balajitk@...com>
Cc:	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Tony Lindgren <tony@...mide.com>,
	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

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?

> Note:  eMMC detection is still failing on resertion due to card vcc
> power off on rmmod

And this?

Thanks,

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