linux-kernel - Re: [PATCH] mfd: fix modular builds of rc5t583 regulator support

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Date:	Mon, 16 Apr 2012 12:24:02 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"broonie@...nsource.wolfsonmicro.com" 
	<broonie@...nsource.wolfsonmicro.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>
Subject: Re: [PATCH] mfd: fix modular builds of rc5t583 regulator support

On Monday 16 April 2012 09:38 AM, Paul Gortmaker wrote:
> The combination of commit 1b1247dd75aa5cf5fae54a3bec7280046e9c7957
>
>      "mfd: Add support for RICOH PMIC RC5T583"
>
> and commit 6ffc3270210efa2bea526953a142ffc908f5bd86
>
>      "regulator: Add support for RICOH PMIC RC5T583 regulator"
>
> are causing the i386 allmodconfig builds to fail with this:
>
>    ERROR: "rc5t583_update" [drivers/regulator/rc5t583-regulator.ko] undefined!
>    ERROR: "rc5t583_set_bits" [drivers/regulator/rc5t583-regulator.ko] undefined!
>    ERROR: "rc5t583_clear_bits" [drivers/regulator/rc5t583-regulator.ko] undefined!
>    ERROR: "rc5t583_read" [drivers/regulator/rc5t583-regulator.ko] undefined!
>
> and this:
>
>    ERROR: "rc5t583_ext_power_req_config" [drivers/regulator/rc5t583-regulator.ko] undefined!
>
> For the 1st four, make the simple ops static inline, instead of
> polluting the namespace with trivial exports.  For the last one,
> add an EXPORT_SYMBOL.
>
> Signed-off-by: Paul Gortmaker<paul.gortmaker@...driver.com>
> ---
>
> [ alternately, make REGULATOR_RC5T583 bool instead of tristate? ]

Why not export all require symbol from mfd core.
I am sending the patch to exporting all required apis. Please review.
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