linux-kernel - Re: [PATCH v4 4/6] reset: sunxi: Add Allwinner H3 bus resets

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Message-ID: <13919923.o3Dj9msmoa@wuerfel>
Date:	Fri, 30 Oct 2015 09:27:03 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Jens Kuske <jenskuske@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Michael Turquette <mturquette@...libre.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Emilio López <emilio@...pez.com.ar>,
	devicetree@...r.kernel.org,
	Vishnu Patekar <vishnupatekar0510@...il.com>,
	linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
	linux-sunxi@...glegroups.com
Subject: Re: [PATCH v4 4/6] reset: sunxi: Add Allwinner H3 bus resets

On Tuesday 27 October 2015 17:50:24 Jens Kuske wrote:
> 
> +static int sun8i_h3_bus_reset_xlate(struct reset_controller_dev *rcdev,
> +                                   const struct of_phandle_args *reset_spec)
> +{
> +       unsigned int index = reset_spec->args[0];
> +
> +       if (index < 96)
> +               return index;
> +       else if (index < 128)
> +               return index + 32;
> +       else if (index < 160)
> +               return index + 64;
> +       else
> +               return -EINVAL;
> +}
> +
> 

This looks like you are doing something wrong and should either
put the actual number into DT, or use a two-cell representation,
with the first cell indicating the block (0, 1 or 2), and the
second cell the index.

	Arnd
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