linux-kernel - 答复: [PATCH] mfd: rtsx: Add support for RTS5260

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Message-ID: <2A308283684ECD4B896628E09AF5361E01A7303B@RS-MBS01.realsil.com.cn>
Date:   Fri, 22 Sep 2017 10:02:31 +0000
From:   冯锐 <rui_feng@...lsil.com.cn>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "lee.jones@...aro.org" <lee.jones@...aro.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 答复: [PATCH] mfd: rtsx: Add support for RTS5260

> On Fri, Sep 22, 2017 at 05:36:24PM +0800, rui_feng@...lsil.com.cn wrote:
> > From: rui_feng <rui_feng@...lsil.com.cn>
> >
> > Add support for new chip rts5260.
> > In order to support rts5260，the definitions of some internal registers
> > and workflow have to be modified and are different from its
> > predecessors. So we need this patch to ensure RTS5260 can work.
> >
> > Signed-off-by: Rui Feng <rui_feng@...lsil.com.cn>
> 
> Nit, this name needs to match your "From:" line.  It almost does :)
> 
> Why is this a drivers/misc/ driver?
> 
I want to put this driver in mfd because other drivers like rts5249,rts5227 and so on are in mfd, but lee jones said 
" There is way too much code in this file to be an MFD driver.
It's a card reader driver (as stated below).
I think this entire file needs relocating somewhere else."
So I put it here.

> > --- /dev/null
> > +++ b/drivers/misc/rts5260.c
> > @@ -0,0 +1,590 @@
> > +/* Driver for Realtek PCI-Express card reader
> > + *
> > + * Copyright(c) 2016-2017 Realtek Semiconductor Corp. All rights reserved.
> > + *
> > + * This program is free software; you can redistribute it and/or
> > +modify it
> > + * under the terms of the GNU General Public License as published by
> > +the
> > + * Free Software Foundation; either version 2, or (at your option)
> > +any
> > + * later version.
> 
> Do you really mean "any later version"?  (I have to ask...)
> 
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + but
> > + * WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> GNU
> > + * General Public License for more details.
> > + *
> > + * You should have received a copy of the GNU General Public License
> > + along
> > + * with this program; if not, see <http://www.gnu.org/licenses/>.
> > + *
> > + * Author:
> > + *   Steven FENG <steven_feng@...lsil.com.cn>
> > + *   Rui FENG <rui_feng@...lsil.com.cn>
> > + *   Wei WANG <wei_wang@...lsil.com.cn>
> > + */
> > +
> > +#include <linux/module.h>
> > +#include <linux/delay.h>
> > +#include <linux/mfd/rtsx_pci.h>
> > +
> > +#include "../mfd/rtsx_pcr.h"
> 
> That looks "odd" :(
> 
> thanks,
> 
> greg k-h
> 
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