linux-kernel - Re: [PATCH v3 2/9] reset: Add Raspberry Pi 4 firmware reset controller

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Date:   Wed, 17 Jun 2020 12:02:01 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        f.fainelli@...il.com, gregkh@...uxfoundation.org, wahrenst@....net,
        linux-kernel@...r.kernel.org
Cc:     linux-usb@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        bcm-kernel-feedback-list@...adcom.com, tim.gover@...pberrypi.org,
        linux-pci@...r.kernel.org, helgaas@...nel.org,
        andy.shevchenko@...il.com, mathias.nyman@...ux.intel.com,
        lorenzo.pieralisi@....com
Subject: Re: [PATCH v3 2/9] reset: Add Raspberry Pi 4 firmware reset
 controller

Hi Nicolas,

On Fri, 2020-06-12 at 19:13 +0200, Nicolas Saenz Julienne wrote:
> Raspberry Pi 4's co-processor controls some of the board's HW
> initialization process, but it's up to Linux to trigger it when
> relevant. Introduce a reset controller capable of interfacing with
> RPi4's co-processor that models these firmware initialization routines as
> reset lines.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>

If there is a good reason for the single DT specified reset id, I can
pick up patches 1 and 2.

If you change the dts patch 4 to use a number instead of the reset id
define for now, there wouldn't even be a dependency between these reset
and dts patches.

regards
Philipp