From mboxrd@z Thu Jan  1 00:00:00 1970
From: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH] mmc: tmio: enable odd number size transfer
Date: Mon, 8 Sep 2014 10:18:33 +0200
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Cc: Ulf Hansson <ulf.hansson@linaro.org>, Chris Ball <cjb@laptop.org>, Simon <horms@verge.net.au>, Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>, Linux-SH <linux-sh@vger.kernel.org>, linux-mmc <linux-mmc@vger.kernel.org>
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Hi Morimoto-san,

On Mon, Sep 8, 2014 at 10:06 AM, Kuninori Morimoto
<kuninori.morimoto.gx@gmail.com> wrote:
> About endianness / byte access, it requires byte access
> especially "read" case.
> Because if count was odd number,
> using shift with u16 will might be buffer overflow

Of course the buffer must be accessed using byte accesses.
But sd_ctrl_read16() returns u16, and sd_ctrl_write16() takes u16.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds