linux-kernel - Re: [PATCH v2] mfd: rtsx: fix PM suspend for 5227 & 5249

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Date:	Fri, 10 Oct 2014 17:29:04 +0800
From:	Micky Ching <micky_ching@...lsil.com.cn>
To:	Lee Jones <lee.jones@...aro.org>
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 v2] mfd: rtsx: fix PM suspend for 5227 & 5249


On 10/10/2014 05:24 PM, Lee Jones wrote:
> On Fri, 10 Oct 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/Makefile         |  2 +-
>>   drivers/mfd/rts5227.c        |  6 ++++++
>>   drivers/mfd/rts5249.c        |  4 ++++
>>   drivers/mfd/rtsx_gops.c      | 37 +++++++++++++++++++++++++++++++++++++
>>   drivers/mfd/rtsx_pcr.h       |  3 +++
>>   include/linux/mfd/rtsx_pci.h | 28 ++++++++++++++++++++++++++++
> These are Card Reader drivers right?
>
> Do you know why these are in MFD?
Hi Lee,

Our chips support SD/MMC card and MS card,
SD/MMC card driver is put into mmc/ subsystem,
MS card driver is put into memstick/ subsystem.
We put the common functions into mfd/ subsystem.

>
>>   6 files changed, 79 insertions(+), 1 deletion(-)
>>   create mode 100644 drivers/mfd/rtsx_gops.c
>

-- 
Best Regards,
micky.
--------------------
Realsil Microelectronics Inc. PCBU swlinux.
Tel:86-512-6258-8966 Ext: 5806

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