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

Jianxin Pan
2018-10-22T05:59:18Z

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!
> .
>