Re: [PATCH/RFC 0/7] wl12xx SDIO interface

[Florian Fainelli <florian@openwrt.org>]

Le Thursday 11 June 2009 16:55:20 Samuel Ortiz, vous avez écrit :
> On Thu, 2009-06-11 at 16:38 +0200, Gábor Stefanik wrote:
> > On Thu, Jun 11, 2009 at 4:02 AM, Bob Copeland<me@bobcopeland.com> wrote:
> > > Here's v2 of the SDIO interface for wl12xx, still with a FIXME or two.
> > >
> > > For my part, this is mainly a port of the Google/TI Android SDIO
> > > interface logic to the existing SPI driver.  I have confirmed that
> > > the driver associates and sends some traffic.
> > >
> > > Pierre, hoping to get your perspective on the SDIO bits in patch 7,
> > > since I very likely don't know what I'm doing :)  Especially regarding
> > > the platform code setup, in which the correct GPIOs have to be written
> > > to turn on the device before probe will work.  For the SPI interface,
> > > we use spi_register_board_info() for a similar purpose, but I'm not
> > > sure if there is a standard way to do that for SDIO.  This copies
> > > Google's platform driver for now.
> > >
> > > Conversion to readl/writel etc where appropriate is TODO.
> > >
> > > Bob Copeland (7):
> > >  wl12xx: separate bus i/o code into io.c
> > >  wl12xx: use wiphy_dev instead of wl->spi->dev
> > >  wl12xx: introduce wl12xx_if_operations struct
> > >  wl12xx: make wl12xx_set_partition bus agnostic
> > >  wl12xx: move module probe methods into spi.c
> > >  wl12xx: split spi interface into separate module
> > >  wl12xx: add sdio support
> > >
> > >  drivers/net/wireless/wl12xx/Kconfig  |   24 +++-
> > >  drivers/net/wireless/wl12xx/Makefile |   10 +-
> > >  drivers/net/wireless/wl12xx/acx.c    |    3 +-
> > >  drivers/net/wireless/wl12xx/boot.c   |    3 +-
> > >  drivers/net/wireless/wl12xx/cmd.c    |   15 +-
> > >  drivers/net/wireless/wl12xx/event.c  |    6 +-
> > >  drivers/net/wireless/wl12xx/io.c     |  181 +++++++++++++++++++++
> > >  drivers/net/wireless/wl12xx/io.h     |   62 +++++++
> > >  drivers/net/wireless/wl12xx/main.c   |  152 ++++--------------
> > >  drivers/net/wireless/wl12xx/ps.c     |    3 +-
> > >  drivers/net/wireless/wl12xx/rx.c     |   10 +-
> > >  drivers/net/wireless/wl12xx/sdio.c   |  250
> > > +++++++++++++++++++++++++++++ drivers/net/wireless/wl12xx/spi.c    | 
> > > 289 ++++++++++++++------------------- drivers/net/wireless/wl12xx/spi.h
> > >    |   40 -----
> > >  drivers/net/wireless/wl12xx/tx.c     |   64 ++++----
> > >  drivers/net/wireless/wl12xx/wl1251.c |    9 +-
> > >  drivers/net/wireless/wl12xx/wl12xx.h |   14 ++-
> > >  17 files changed, 752 insertions(+), 383 deletions(-)
> > >  create mode 100644 drivers/net/wireless/wl12xx/io.c
> > >  create mode 100644 drivers/net/wireless/wl12xx/io.h
> > >  create mode 100644 drivers/net/wireless/wl12xx/sdio.c
> >
> > Can we expect vlynq any time soon?
>
> I guess we need:
>
> 1) A linux vlynq driver for that, and last thing I saw [1], it wasnt
> really pretty/ready

That driver is perfectly functionnal on a TI AR7 and we have used it in 
OpenWrt for months with the acx100/111 driver. What makes you think it is not 
yet ready ? There was a couple of suggestions from a TI employee, which are 
perfectly valid, but I have no hardware to implement what he is suggesting 
(no daisy chaining ...).

> 2) A device that would have a wl12xx chip connected to the host through
> vlynq.
>
> Cheers,
> Samuel.
>
> [1] http://lkml.indiana.edu/hypermail/linux/kernel/0906.0/00155.html
>
>
>
>
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-- 
Best regards, Florian Fainelli
Email : florian@openwrt.org
http://openwrt.org
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