linux-kernel - Re: [PATCH 1/4] ARM: sunxi: Introduce Allwinner for A83T support

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Message-ID: <CAEzqOZv_L3A7kpKqNQnHjL6Wb1Lzw6dSU4Qy52yJVf2h1QmcLA@mail.gmail.com>
Date:	Thu, 24 Sep 2015 18:52:37 +0800
From:	Vishnu Patekar <vishnupatekar0510@...il.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Emilio Lopez <emilio@...pez.com.ar>,
	Linus Walleij <linus.walleij@...aro.org>,
	Jens Kuske <jenskuske@...il.com>,
	Hans De Goede <hdegoede@...hat.com>,
	devicetree <devicetree@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-sunxi <linux-sunxi@...glegroups.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH 1/4] ARM: sunxi: Introduce Allwinner for A83T support

Hello,

On Tue, Sep 22, 2015 at 11:47 PM, Chen-Yu Tsai <wens@...e.org> wrote:
> On Tue, Sep 22, 2015 at 11:38 PM, Vishnu Patekar
> <vishnupatekar0510@...il.com> wrote:
>> Allwinner A83T is octa-core cortex-a7 based SoC.
>> It's clock control unit and prcm, pinmux are different from previous sun8i
>> series.
>> Its processor cores are arragned in two clusters 4 cores each,
>> similar to A80.
>>
>> Signed-off-by: Vishnu Patekar <vishnupatekar0510@...il.com>
>> ---
>>  Documentation/devicetree/bindings/arm/sunxi.txt | 1 +
>>  arch/arm/mach-sunxi/sunxi.c                     | 1 +
>>  drivers/clk/sunxi/clk-sunxi.c                   | 6 ++++++
>>  3 files changed, 8 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/sunxi.txt b/Documentation/devicetree/bindings/arm/sunxi.txt
>> index 67da205..cf5ed27 100644
>> --- a/Documentation/devicetree/bindings/arm/sunxi.txt
>> +++ b/Documentation/devicetree/bindings/arm/sunxi.txt
>> @@ -11,4 +11,5 @@ using one of the following compatible strings:
>>    allwinner,sun8i-a23
>>    allwinner,sun8i-a33
>>    allwinner,sun8i-h3
>> +  allwinner,sun8i-a83t
>
> Alphabetic order please.
Okie, I'll correct.
>
>>    allwinner,sun9i-a80
>> diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
>> index 65bab28..b04aefa 100644
>> --- a/arch/arm/mach-sunxi/sunxi.c
>> +++ b/arch/arm/mach-sunxi/sunxi.c
>> @@ -69,6 +69,7 @@ static const char * const sun8i_board_dt_compat[] = {
>>         "allwinner,sun8i-a23",
>>         "allwinner,sun8i-a33",
>>         "allwinner,sun8i-h3",
>> +       "allwinner,sun8i-a83t",
>
> Same here.
>
>>         NULL,
>>  };
>>
>> diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
>> index 413070d..f216d5d 100644
>> --- a/drivers/clk/sunxi/clk-sunxi.c
>> +++ b/drivers/clk/sunxi/clk-sunxi.c
>> @@ -1212,6 +1212,12 @@ CLK_OF_DECLARE(sun6i_a31s_clk_init, "allwinner,sun6i-a31s", sun6i_init_clocks);
>>  CLK_OF_DECLARE(sun8i_a23_clk_init, "allwinner,sun8i-a23", sun6i_init_clocks);
>>  CLK_OF_DECLARE(sun8i_a33_clk_init, "allwinner,sun8i-a33", sun6i_init_clocks);
>>
>> +static void __init sun8ia83t_init_clocks(struct device_node *node)
>> +{
>> +       sunxi_init_clocks(NULL, 0);
>> +}
>> +CLK_OF_DECLARE(sun9i_a83t_clk_init, "allwinner,sun8i-a83t", sun8ia83t_init_clocks);
>
> sun8i? Missing underscore too.
Sorry, yes, sun8i. will add _.
>
> I think you should add this once you actually have clock support.
> Otherwise this call basically does nothing.
>
>> +
>>  static void __init sun9i_init_clocks(struct device_node *node)
>>  {
>>         sunxi_init_clocks(NULL, 0);
>
> On the side, I will send patches to remove sun9i_init_clocks.
>
>
> Regards
> ChenYu
Thanks for review.
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