linux-kernel - Re: [PATCH 0/3] Add 'external mode' for GPIO-based FSI master

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Message-ID: <CACPK8XdXzYhLu1LVMVQdwaibF9WHSzfLdTZjgqiPKXKFFJi6NA@mail.gmail.com>
Date:   Mon, 4 Sep 2017 16:25:09 +0930
From:   Joel Stanley <joel@....id.au>
To:     Jeremy Kerr <jk@...abs.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christopher Bostic <cbostic@...ux.vnet.ibm.com>
Subject: Re: [PATCH 0/3] Add 'external mode' for GPIO-based FSI master

Hi Jeremy,

On Mon, Jun 19, 2017 at 6:56 PM, Jeremy Kerr <jk@...abs.org> wrote:
> This series (on top of current char-misc-next) implements "external
> mode" (ie, support for FSI debug devices) for the GPIO-based FSI master
> driver.
>
> We implement this control in the GPIO master driver, as it has the
> mapping of raw GPIO pins to fsi control signals, and provides a
> mechanism for the kernel to retain exclusive access to those GPIOs.

I just noticed that this didn't get applied. I assume it's because we
forgot to cc Greg.

I have a v2 of some of the patches in my inbox; we should re-send that
v2. It may make sense to merge in some of the latter changes we have
in the openbmc tree first.

Cheers,

Joel

> ---
> Jeremy Kerr (3):
>   fsi: Add fsi_master_rescan()
>   fsi/master-gpio: Add locking around gpio operations during break &
>     link enable
>   fsi/master-gpio: Add external mode
>
>  .../ABI/testing/sysfs-driver-fsi-master-gpio       | 10 +++
>  drivers/fsi/fsi-core.c                             |  9 ++-
>  drivers/fsi/fsi-master-gpio.c                      | 85 +++++++++++++++++++++-
>  drivers/fsi/fsi-master.h                           |  2 +
>  4 files changed, 102 insertions(+), 4 deletions(-)
>  create mode 100644 Documentation/ABI/testing/sysfs-driver-fsi-master-gpio
>
> --
> 2.7.4
>