Re: [PATCH v2 2/3] extcon: max14577: Add proper dt-compatible strings

From: Marek Szyprowski
Date: Fri May 22 2020 - 05:20:32 EST


Hi

On 22.05.2020 10:30, Marek Szyprowski wrote:
> Hi Chanwoo,
>
> On 22.05.2020 09:08, Chanwoo Choi wrote:
>> On 5/22/20 3:48 PM, Marek Szyprowski wrote:
>>> Add device tree compatible strings and create proper modalias
>>> structures
>>> to let this driver load automatically if compiled as module, because
>>> max14577 MFD driver creates MFD cells with such compatible strings.
>>>
>>> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
>>> ---
>>> v2:
>>> - added .of_match_table pointer
>>> ---
>>> Â drivers/extcon/extcon-max14577.c | 10 ++++++++++
>>> Â 1 file changed, 10 insertions(+)
>>>
>>> diff --git a/drivers/extcon/extcon-max14577.c
>>> b/drivers/extcon/extcon-max14577.c
>>> index 32f663436e6e..03af678ddeba 100644
>>> --- a/drivers/extcon/extcon-max14577.c
>>> +++ b/drivers/extcon/extcon-max14577.c
>>> @@ -782,9 +782,19 @@ static const struct platform_device_id
>>> max14577_muic_id[] = {
>>> Â };
>>> Â MODULE_DEVICE_TABLE(platform, max14577_muic_id);
>>> Â +static const struct of_device_id of_max14577_muic_dt_match[] = {
>>> +ÂÂÂ { .compatible = "maxim,max77836-muic",
>>> +ÂÂÂÂÂ .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, },
>>> +ÂÂÂ { .compatible = "maxim,max14577-muic",
>>> +ÂÂÂÂÂ .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, },
>>> +ÂÂÂ { },
>> How about changing the order between max77836 and max14577 as already
>> added structure
>> like platform_device_id if there are no specific reason as following:?
>>
>>
>> static const struct of_device_id of_max14577_muic_dt_match[] = {
>> ÂÂÂÂ{ .compatible = "maxim,max14577-muic",
>> ÂÂÂÂÂ .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, },
>> ÂÂÂÂ{ .compatible = "maxim,max77836-muic",
>> ÂÂÂÂÂ .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, },
>> ÂÂÂÂ{ },
>
> Sure. I will swap them and send updated patch. This order comes from
> drivers/power/supply/max14577_charger.c, which also lacks
> .of_match_table, so I will also fix it.
It looks that I've checked a wrong tree. I will send v3 with
of_match_table sorted. I have no idea why the order is reversed.

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland