linux-kernel - Re: [PATCH 1/5] mfd/stmpe: Pass partnum as param to stmpe

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Date:	Wed, 16 Nov 2011 21:05:02 +0530
From:	Rabin Vincent <rabin@....in>
To:	Viresh Kumar <viresh.kumar@...com>
Cc:	linus.walleij@...ricsson.com, srinidhi.kasagar@...ricsson.com,
	sameo@...ux.intel.com, linux-kernel@...r.kernel.org,
	armando.visconti@...com, shiraz.hashim@...com, vipin.kumar@...com,
	rajeev-dlh.kumar@...com, deepak.sikri@...com,
	vipulkumar.samar@...com, amit.virdi@...com, pratyush.anand@...com,
	bhupesh.sharma@...com, viresh.linux@...il.com, bhavna.yadav@...com,
	vincenzo.frascino@...com, mirko.gardi@...com,
	grant.likely@...retlab.ca
Subject: Re: [PATCH 1/5] mfd/stmpe: Pass partnum as param to stmpe_probe()

On Wed, Nov 16, 2011 at 16:56, Viresh Kumar <viresh.kumar@...com> wrote:
> partnum is required during probe to get variant's info. Currently partnum was
> getting set in i2c interface after it is used and is not at all getting set in
> spi interface.

So your previous patch is broken?  Please fix it and resend it instead
since it's not merged yet.

>
> This can be passed as param to stmpe_probe, so that it is available early. With
> this, there is no need of i2c interface's init() routine, as it does nothing
> else than calling dev_set_drvdata(). So better remove this routine for i2c.
>
> partnum defined in struct stmpe is of no use now, as it is only used once during
> probe of stmpe, so we can remove it from struct stmpe too.

Not quite; it's used from drivers/input/keyboard/stmpe-keypad.c.  Please
preserve this stmpe->partnum, drop your 2/5 patch which exposes variant
externally, and instead use stmpe->partnum in 5/5.
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