linux-kernel - Re: [PATCH 1/3] reset: Add support for the Amlogic Meson GXBB Reset Controller

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Date:	Fri, 20 May 2016 12:04:37 +0200
From:	Carlo Caione <carlo@...one.org>
To:	Neil Armstrong <narmstrong@...libre.com>
Cc:	xing.xu@...ogic.com, victor.wan@...ogic.com,
	linux-kernel@...r.kernel.org, p.zabel@...gutronix.de,
	jerry.cao@...ogic.com, linux-amlogic@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] reset: Add support for the Amlogic Meson GXBB Reset
 Controller

On 20/05/16 11:10, Neil Armstrong wrote:
> On 05/20/2016 11:04 AM, Carlo Caione wrote:
> > On 20/05/16 10:27, Neil Armstrong wrote:
> >> This patch adds the platform driver for the Amlogic Meson GXBB Reset
> >> Controller.
> >>
> >> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> >> ---
> >>  drivers/reset/Kconfig            |   6 ++
> >>  drivers/reset/Makefile           |   1 +
> >>  drivers/reset/reset-meson-gxbb.c | 129 +++++++++++++++++++++++++++++++++++++++
> >>  3 files changed, 136 insertions(+)
> >>  create mode 100644 drivers/reset/reset-meson-gxbb.c
> > 
> > Do we really need to be that specific (-gxbb)? This driver looks generic
> > and simple enough to be used for several Amlogic families. You are
> > already differentiating between them with the include file defining the
> > reset indexes for the SoC.
> 
> This is a good question, do the S805 have similar registers ? Same count and width ?
> I no, it should need a rework to add a data structure per-SoC.

According to the datasheet on S805 we have 7 registers with 16 reset
bits per register.

[...]
> > 
> > [...]
> >> +static struct platform_driver meson_gxbb_reset_driver = {
> >> +	.probe	= meson_gxbb_reset_probe,
> >> +	.remove	= meson_gxbb_reset_remove,
> >> +	.driver = {
> >> +		.name		= "meson_gxbb_reset",
> >> +		.of_match_table	= meson_gxbb_reset_dt_ids,
> >> +	},
> >> +};
> >> +
> >> +module_platform_driver(meson_gxbb_reset_driver);
> > 
> > No MODULE_AUTHOR, MODULE_LICENSE, etc... ?
> 
> What is the MODULE_LICENCE format for dual licensing ?

Dual BSD/GPL ?

Cheers,

-- 
Carlo Caione