linux-kernel - RE: [EXT] [RFC PATCH 0/4] mwifiex: add support for iw61x

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Message-ID:
 <DU0PR04MB9636603B5E83B295AD83967AD1932@DU0PR04MB9636.eurprd04.prod.outlook.com>
Date: Tue, 3 Sep 2024 07:57:51 +0000
From: David Lin <yu-hao.lin@....com>
To: Sascha Hauer <s.hauer@...gutronix.de>
CC: Francesco Dolcini <francesco@...cini.it>, Calvin Owens
	<calvin@...nvd.org>, Brian Norris <briannorris@...omium.org>, Kalle Valo
	<kvalo@...nel.org>, "linux-wireless@...r.kernel.org"
	<linux-wireless@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "kernel@...gutronix.de"
	<kernel@...gutronix.de>
Subject: RE: [EXT] [RFC PATCH 0/4] mwifiex: add support for iw61x

> From: Sascha Hauer <s.hauer@...gutronix.de>
> Sent: Tuesday, September 3, 2024 3:52 PM
> To: David Lin <yu-hao.lin@....com>
> Cc: Francesco Dolcini <francesco@...cini.it>; Calvin Owens
> <calvin@...nvd.org>; Brian Norris <briannorris@...omium.org>; Kalle Valo
> <kvalo@...nel.org>; linux-wireless@...r.kernel.org;
> linux-kernel@...r.kernel.org; kernel@...gutronix.de
> Subject: Re: [EXT] [RFC PATCH 0/4] mwifiex: add support for iw61x
> 
> Caution: This is an external email. Please take care when clicking links or
> opening attachments. When in doubt, report the message using the 'Report
> this email' button
> 
> 
> On Tue, Sep 03, 2024 at 07:35:59AM +0000, David Lin wrote:
> > > From: Sascha Hauer <s.hauer@...gutronix.de>
> > > Sent: Tuesday, September 3, 2024 3:30 PM
> > > To: David Lin <yu-hao.lin@....com>
> > > Cc: Francesco Dolcini <francesco@...cini.it>; Calvin Owens
> > > <calvin@...nvd.org>; Brian Norris <briannorris@...omium.org>; Kalle
> > > Valo <kvalo@...nel.org>; linux-wireless@...r.kernel.org;
> > > linux-kernel@...r.kernel.org; kernel@...gutronix.de
> > > Subject: Re: [EXT] [RFC PATCH 0/4] mwifiex: add support for iw61x
> > >
> > > Caution: This is an external email. Please take care when clicking
> > > links or opening attachments. When in doubt, report the message
> > > using the 'Report this email' button
> > >
> > >
> > > On Tue, Sep 03, 2024 at 06:39:15AM +0000, David Lin wrote:
> > > > > > > > Not only this code segment. In fact, you did not add VDLL
> > > > > > > > data patch support
> > > > > > > to sdio.c.
> > > > > > > > If you try to add the code and do test, you will know what
> > > > > > > > is missing in your
> > > > > > > code.
> > > > > > >
> > > > > > > Could you point me to the code you mean?
> > > > > > >
> > > > > > > Sascha
> > > > > > >
> > > > > >
> > > > > > I only know the porting VDLL code in nxpwifi.
> > > > >
> > > > > Yes, and I asked for a pointer to that code, some function name,
> > > > > or file/line or whatever, because I looked at the nxpwifi driver
> > > > > and don't know what you mean with "VDLL data patch support" in
> sdio.c.
> > > > >
> > > > > Sascha
> > > > >
> > > >
> > > > It is better for you to check MXM driver. It is the same as
> > > > Mwifiex which
> > > support all SDIO modes.
> > >
> > > Now I am confused. You said:
> > >
> > > > In fact, you did not add VDLL data patch support to sdio.c
> > >
> > > I was under the assumption that the nxpwifi driver that you
> > > specifically posted for the iw61x chipset should contain this code. Isn't that
> the case?
> > >
> > > BTW did you really mean "VDLL data patch" or did you mean "VDLL data
> > > path"?
> > >
> >
> > Sorry VDLL data path.
> > You did not add the code to support this new SDIO data type in your patch.
> >
> > Please check MXM driver which supports all SDIO modes.
> 
> But why? The nxpwifi driver is much closer to the mwifiex driver and much
> better readable, so I would rather pick the missing pieces from there.
> 
> Sascha
> 

Nxpwifi only supports SDIO new mode. MXM and Mwifiex supports normal and new SDIO modes.

David