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Date:      Thu, 04 Jul 2013 19:42:50 +0200
From:      Jeroen Hofstee <freebsd_arm@myspectrum.nl>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Alexander Motin <mav@FreeBSD.org>, Ilya Bakulin <ilya@bakulin.de>, freebsd-arm@freebsd.org, freebsd-embedded@freebsd.org
Subject:   Re: [PATCH] SDIO support for Globalscale Dreamplug
Message-ID:  <51D5B41A.5000805@myspectrum.nl>
In-Reply-To: <16DEBC38-F99A-4733-86FD-9E81A146CE5C@bsdimp.com>
References:  <20130702145905.GA1847@olymp.kibab.com> <51D3097A.8010601@FreeBSD.org> <51D3282C.1090701@bakulin.de> <C92CE8E1-75A0-459F-95DA-956D03DCB2E2@bsdimp.com> <20130703222002.GA60491@olymp.kibab.com> <51D50C55.1040300@myspectrum.nl> <16DEBC38-F99A-4733-86FD-9E81A146CE5C@bsdimp.com>

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Hello Warner,

On 07/04/2013 06:09 PM, Warner Losh wrote:
> On Jul 3, 2013, at 11:47 PM, Jeroen Hofstee wrote:
>
>> Hello Ilya,
>>
>> On 07/04/2013 12:20 AM, Ilya Bakulin wrote:
>>> So some bytes lack 0x40... This problem occurs also with other numbers
>>> read from the card, for example, vendor ID is read as 0x029F instead of 0x02DF.
>>> +/* Halfword bit masks used for command response extraction. */
>>> +#define MV_SDIO_RSP48_BM2	0x0002	/* Lower 2 bits. */
>>> +#define MV_SDIO_RSP48_BM6	0x003f	/* Lower 6 bits. */
>>> +	/* Response bits [15:14] and [13:8] */
>>> +	*rp++ = (resp[2] & MV_SDIO_RSP48_BM6) |
>>> +	    ((word & MV_SDIO_RSP48_BM2) << 6);
>>> +
>>  From the looks if it, MV_SDIO_RSP48_BM2 must be 3 instead 2.
> And 0x0031 doesn't look right either... I'd have expected 0x3f.
which 0x0031 (perhaps I need to have my eyes checked....)?

Regards,
Jeroen




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