[PATCH v5 3/3] clk: meson: add sub MMC clock controller driver

Jianxin Pan jianxin.pan at amlogic.com
Sun Oct 21 22:59:18 PDT 2018


On 2018/10/20 2:03, Stephen Boyd wrote:
> Quoting Jianxin Pan (2018-10-19 09:12:53)
>> On 2018/10/19 1:13, Stephen Boyd wrote:
>>> Quoting Jianxin Pan (2018-10-17 22:07:25)
>>>> diff --git a/drivers/clk/meson/clk-regmap.c b/drivers/clk/meson/clk-regmap.c
>>>> index 305ee30..f96314d 100644
>>>> --- a/drivers/clk/meson/clk-regmap.c
>>>> +++ b/drivers/clk/meson/clk-regmap.c
>>>> @@ -113,8 +113,25 @@ static int clk_regmap_div_set_rate(struct clk_hw *hw, unsigned long rate,
>>>>                                   clk_div_mask(div->width) << div->shift, val);
>>>>  };
>>>>  
>>>> -/* Would prefer clk_regmap_div_ro_ops but clashes with qcom */
>>>> +static void clk_regmap_div_init(struct clk_hw *hw)
>>>> +{
>>>> +       struct clk_regmap *clk = to_clk_regmap(hw);
>>>> +       struct clk_regmap_div_data *div = clk_get_regmap_div_data(clk);
>>>> +       unsigned int val;
>>>> +       int ret;
>>>> +
>>>> +       ret = regmap_read(clk->map, div->offset, &val);
>>>> +       if (ret)
>>>> +               return;
>>>>  
>>>> +       val &= (clk_div_mask(div->width) << div->shift);
>>>> +       if (!val)
>>>> +               regmap_update_bits(clk->map, div->offset,
>>>> +                                  clk_div_mask(div->width) << div->shift,
>>>> +                                  clk_div_mask(div->width));
>>>> +}
>>>> +
>>>> +/* Would prefer clk_regmap_div_ro_ops but clashes with qcom */
>>>
>>> We should add a patch to rename the symbol for qcom, i.e.
>>> qcom_clk_regmap_div_ro_ops, and then any symbols in this directory
>>> should be meson_clk_regmap_div_ro_ops.
>> "/* Would prefer clk_regmap_div_ro_ops but clashes with qcom */"
>> This comment is not introduced in this patch.
>> I followed the naming style in this file and add clk_regmap_divider_with_init_ops.
>>
>> @Jerome, What's your suggestion about this?
> 
> Yes you don't need to fix anything in this series. Just saying that in
> the future we should work on cleaning this up.
> 
OK. Thank you!
> .
> 




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