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Message-ID:
 <PA4PR04MB963814F85BBA6DD39F516469D1932@PA4PR04MB9638.eurprd04.prod.outlook.com>
Date: Tue, 3 Sep 2024 01:51:46 +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: Monday, September 2, 2024 9:11 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
> 
> > > > > > >
> > > > > > > Sascha
> > > > > > >
> > > > > > >
> > > > > > > Sascha Hauer (4):
> > > > > > >   wifi: mwifiex: release firmware at remove time
> > > > > > >   wifi: mwifiex: handle VDLL
> > > > > > >   wifi: mwifiex: wait longer for SDIO card status
> > > > > > >   mwifiex: add iw61x support
> > > > > > >
> > > > > > >  drivers/net/wireless/marvell/mwifiex/cmdevt.c | 86
> > > > > +++++++++++++++++++
> > > > > > >  drivers/net/wireless/marvell/mwifiex/fw.h     | 16 ++++
> > > > > > >  drivers/net/wireless/marvell/mwifiex/main.c   |  9 +-
> > > > > > >  drivers/net/wireless/marvell/mwifiex/main.h   |  4 +
> > > > > > >  drivers/net/wireless/marvell/mwifiex/sdio.c   | 81
> > > ++++++++++++++++-
> > > > > > >  drivers/net/wireless/marvell/mwifiex/sdio.h   |  3 +
> > > > > > >  .../net/wireless/marvell/mwifiex/sta_event.c  |  4
> > > > > > > +  .../net/wireless/marvell/mwifiex/uap_event.c  |  4 +
> > > > > > >  include/linux/mmc/sdio_ids.h                  |  3 +
> > > > > > >  9 files changed, 205 insertions(+), 5 deletions(-)
> > > > > > >
> > > > > > > --
> > > The VDLL support in the downstream driver supports a case when a
> > > VDLL event comes in while a command is being sent. I catched this
> > > with this
> > > test:
> > >
> > >         if (adapter->cmd_sent) {
> > >                 mwifiex_dbg(adapter, MSG, "%s: adapter is busy\n",
> > > __func__);
> > >                 return -EBUSY;
> > >         }
> > >
> > > The downstream driver defers handling of the VDLL event to the main
> > > process in this case. I haven't implemented this case in my patch
> > > because I wasn't able to trigger it, but is this the case you are referring to?
> > >
> >
> > 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.

David

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