linux-kernel - Re: [PATCH] mfd: rtsx: fix PM suspend for 5227 & 5249

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Date:	Thu, 18 Sep 2014 17:21:01 -0700
From:	Lee Jones <lee.jones@...aro.org>
To:	micky <micky_ching@...lsil.com.cn>
Cc:	sameo@...ux.intel.com, devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	rogerable@...ltek.com, wei_wang@...lsil.com.cn
Subject: Re: [PATCH] mfd: rtsx: fix PM suspend for 5227 & 5249

On Thu, 18 Sep 2014, micky wrote:

> On 09/18/2014 12:53 PM, Lee Jones wrote:
> >On Thu, 18 Sep 2014, micky_ching@...lsil.com.cn wrote:
> >
> >>From: Micky Ching <micky_ching@...lsil.com.cn>
> >>
> >>Fix rts5227&5249 failed send buffer cmd after suspend,
> >>PM_CTRL3 should reset before send any buffer cmd after suspend.
> >>Otherwise, buffer cmd will failed, this will lead resume fail.
> >>
> >>Signed-off-by: Micky Ching <micky_ching@...lsil.com.cn>
> >>---
> >>  drivers/mfd/rts5227.c        |   19 +++++++++++++++++++
> >>  drivers/mfd/rts5249.c        |    4 ++++
> >>  drivers/mfd/rtsx_pcr.h       |    1 +
> >>  include/linux/mfd/rtsx_pci.h |   12 ++++++++++++
> >>  4 files changed, 36 insertions(+)
> >I think you'll find you just broke the build.
> >
> >What happens when you compile these as modules?
> I build as modules with no warning or error, did you find anything wrong?

Yes, you don't export the functions.

EXPORT_SYMBOL()

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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