Re: [linux-sunxi] Re: [PATCH v3 5/6] clk: sunxi: Add A23 clocks support

From: Chen-Yu Tsai
Date: Wed Jun 25 2014 - 23:32:06 EST


On Thu, Jun 26, 2014 at 4:20 AM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> On Tue, Jun 24, 2014 at 05:59:39PM +0800, Chen-Yu Tsai wrote:
>> The clock control unit on the A23 is similar to the one found on the A31.
>>
>> The AHB1, APB1, APB2 gates on the A23 are almost identical to the ones
>> on the A31, but some outputs are missing.
>>
>> The main CPU PLL (PLL1) however is like that on older Allwinner SoCs,
>> such as the A10 or A20, but the N factor starts from 1 instead of 0.
>>
>> This patch adds support for PLL1 and all the basic clock muxes and gates.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
>> ---
>> Documentation/devicetree/bindings/clock/sunxi.txt | 5 ++
>> drivers/clk/sunxi/clk-sunxi.c | 103 ++++++++++++++++++++++
>> 2 files changed, 108 insertions(+)
>>
>> diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
>> index 6fe9492..d4832a7 100644
>> --- a/drivers/clk/sunxi/clk-sunxi.c
>> +++ b/drivers/clk/sunxi/clk-sunxi.c
[...]
>> @@ -673,6 +739,25 @@ static const struct div_data sun4i_axi_data __initconst = {
>> .width = 2,
>> };
>>
>> +static const struct clk_div_table sun8i_a23_axi_table[] __initconst = {
>> + { .val = 0, .div = 1 },
>> + { .val = 1, .div = 2 },
>> + { .val = 2, .div = 3 },
>> + { .val = 3, .div = 4 },
>> + { .val = 4, .div = 4 },
>> + { .val = 5, .div = 4 },
>> + { .val = 6, .div = 4 },
>> + { .val = 7, .div = 4 },
>> + { } /* sentinel */
>> +};
>> +
>> +static const struct div_data sun8i_a23_axi_data __initconst = {
>> + .shift = 0,
>> + .pow = 0,
>
> These are the default value.

I am aware. This is consistent with all the other div_data
instances, which have all fields set regardless of default
values.

>> + .width = 3,
>> + .table = sun8i_a23_axi_table,
>> +};
>> +
>> static const struct div_data sun4i_ahb_data __initconst = {
>> .shift = 4,
>> .pow = 1,

[...]

> Looks fine otherwise,
>
> Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>

If you're ok with being consistent, I'll add your acked-by
without changing it. Otherwise I'll remove the fields with
default values.

Thanks!


ChenYu
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