From: "Shimoda, Yoshihiro" <yoshihiro.shimoda.uh@renesas.com>
To: linux-sh@vger.kernel.org
Subject: Re: MMCIF support on sh7757lcr
Date: Wed, 11 Jan 2012 00:55:04 +0000 [thread overview]
Message-ID: <4F0CDDE8.3040207@renesas.com> (raw)
In-Reply-To: <Pine.LNX.4.64.1201101646050.530@axis700.grange>
Hello Guennadi-san,
Thank you for your review.
2012/01/11 0:55, Guennadi Liakhovetski wrote:
> Hello Shimoda-san
>
> While reviewing MMCIF platform bindings, I came across your commit
>
> commit 65f63eab38626a79f8a54d13686680a1ea898f72
> Author: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Date: Fri Feb 25 07:40:27 2011 +0000
>
> sh: add platform_device of tmio_mmc and sh_mmcif to sh7757lcr
>
> There you only specify MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA
> capabilities for MMCIF. The MMCIF controller does not have any native
> support for card hotplug detection, therefore it must either be polled, or
> the card has to be marked non-removable. For polling it is also desired to
> provide a .get_cd() method. Neither of these is done for sh7757lcr. Is the
> MMC card on it removable? If so, is there any way to detect card presence
> in the slot?
This board doesn't have the MMC card slot. A MMC chip is on the board,
so we cannot remove the chip.
In the linux-3.2-rc7, the sh7757lcr can detect the MMC chip and
I can see the "mmcblk" device.
Best regards,
Yoshihiro Shimoda
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/
>
--
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
EC No.
next prev parent reply other threads:[~2012-01-11 0:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 15:55 MMCIF support on sh7757lcr Guennadi Liakhovetski
2012-01-11 0:55 ` Shimoda, Yoshihiro [this message]
2012-01-11 8:24 ` Guennadi Liakhovetski
2012-01-12 0:41 ` Shimoda, Yoshihiro
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