From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [rtc-linux] [PATCH V4] drivers: rtc: Add support for Qualcomm
 PMIC8xxx RTC
Date: Tue, 7 Jun 2011 17:32:27 -0700
Message-ID: <20110607173227.953bf25c.akpm@linux-foundation.org>
References: <1306472178-22315-1-git-send-email-aghayal@codeaurora.org>
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Cc: Anirudh Ghayal <aghayal@codeaurora.org>, Stephen Boyd <sboyd@codeaurora.org>, linux-arm-msm@vger.kernel.org, Wan ZongShun <mcuos.com@gmail.com>, Ashay Jaiswal <ashayj@codeaurora.org>, Samuel Ortiz <sameo@linux.intel.com>

On Fri, 27 May 2011 10:26:18 +0530
Anirudh Ghayal <aghayal@codeaurora.org> wrote:

> This patch adds support for PMIC8xxx based RTC.
> PMIC8xxx is Qualcomm's power management IC that
> internally houses an RTC module. This driver
> communicates with the PMIC module over SSBI bus.
> 

x86_64 allmodconfig:

drivers/rtc/rtc-pm8xxx.c: In function 'pm8xxx_rtc_probe':
drivers/rtc/rtc-pm8xxx.c:400: error: implicit declaration of function 'mfd_get_data'
drivers/rtc/rtc-pm8xxx.c:400: warning: initialization makes pointer from integer without a cast

A tree-wide grep in 3.0-rc2 for "mfd_get_data" shows no definition,
although ./drivers/input/keyboard/pmic8xxx-keypad.c and
./drivers/input/misc/pmic8xxx-pwrkey.c are calling it.

What's happening here?