linux-kernel - Re: [PATCH v10] mmc : general purpose partition support.

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Message-ID: <CANfBPZ_ncmQmugQ+GBszE0OMvYV5T7W0Yo-dP5=JcoabNLaEeA@mail.gmail.com>
Date:	Tue, 4 Oct 2011 23:57:18 +0530
From:	"S, Venkatraman" <svenkatr@...com>
To:	Chris Ball <cjb@...top.org>
Cc:	Namjae Jeon <linkinjeon@...il.com>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org, awarkentin@...are.com,
	adrian.hunter@...el.com, linus.walleij@...aro.org,
	james_p_freyensee@...ux.intel.com, sebras@...il.com,
	Ulf.Hansson@...ricsson.com, stefan.xk.nilsson@...ricsson.com,
	per.forlin@...ricsson.com, johan.rudholm@...ricsson.com
Subject: Re: [PATCH v10] mmc : general purpose partition support.

On Tue, Oct 4, 2011 at 11:55 PM, Chris Ball <cjb@...top.org> wrote:
> Hi,
>
> On Tue, Oct 04 2011, S, Venkatraman wrote:
>> Stupid question - This will affect all MMC instances, right ? Doesn't
>> this constitute a ABI breakage for user space scripts ?
>
> As I understand it, these partitions were simply not accessible before
> this patch:  we're not renaming mmcblkNpY to anything else, we're adding
> support for mmcblkNgpY partitions, which are part of the "MMC General
> Purpose Partition" spec, and are partitioned separately and not
> currently available to userspace.
>
> So, I don't see what would constitute breakage.  Does that clear it up?
>
It does - thanks !!
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