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

[Micky Ching]

On 10/10/2014 05:24 PM, Lee Jones wrote:
> On Fri, 10 Oct 2014, micky_ching@xxxxxxxxxxxxxx wrote:
>
> > From: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
> >
> > 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@xxxxxxxxxxxxxx>
> > ---
> >   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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