Re: [PATCH v4 1/4] platform/x86: think-lmi: add missing type attribute

From: Mark Pearson
Date: Mon Mar 20 2023 - 09:59:14 EST




On Mon, Mar 20, 2023, at 9:57 AM, Hans de Goede wrote:
> Hi,
>
> On 3/20/23 14:56, Hans de Goede wrote:
>> Hi Mark,
>>
>> It seems that while adding linux-kernel@xxxxxxxxxxxxxxx you have dropped
>> platform-driver-x86@xxxxxxxxxxxxxxx. For future patches please Cc both.
>>
>> platform-driver-x86@xxxxxxxxxxxxxxx needs to be Cc-ed for patches
>> to show up in patchwork:
>> https://patchwork.kernel.org/project/platform-driver-x86/list/
>>
>> Which I use as my primary means of tracking which patches I need
>> to review / merge (note no need to resend this series I have it
>> on my radar).
>>
>> More importantly you seem to not have Cc-ed
>> Thomas Weißschuh on this version ?
>
> Never mind, I just noticed that Thomas has 2 email addresses
> and you did Cc their other address...

Yep - and no idea how I missed pdx86 mailing list....must have been a copy paste error :( Sorry - not deliberate.

Mark

>
> Regards,
>
> Hans
>
>
>
>> On 3/20/23 01:32, Mark Pearson wrote:
>>> This driver was missing the mandatory type attribute...oops.
>>>
>>> Add it in along with logic to determine whether the attribute is an
>>> enumeration type or a string by parsing the possible_values attribute.
>>>
>>> Upstream bug https://bugzilla.kernel.org/show_bug.cgi?id=216460
>>>
>>> Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
>>> ---
>>> Changes in v4:
>>> - Unchanged. Sending to linux-kernel mailing list as recommended
>>> Changes in v3:
>>> - Rebased on latest pdx86, review_hans branch
>>> Changes in v2:
>>> - Simplify the code and move type determination into show function
>>> - Don't use Fixes with URL in commit info
>>>
>>> drivers/platform/x86/think-lmi.c | 17 +++++++++++++++++
>>> 1 file changed, 17 insertions(+)
>>>
>>> diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
>>> index cc66f7cbccf2..a765bf8c27d8 100644
>>> --- a/drivers/platform/x86/think-lmi.c
>>> +++ b/drivers/platform/x86/think-lmi.c
>>> @@ -947,6 +947,20 @@ static ssize_t possible_values_show(struct kobject *kobj, struct kobj_attribute
>>> return sysfs_emit(buf, "%s\n", setting->possible_values);
>>> }
>>>
>>> +static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr,
>>> + char *buf)
>>> +{
>>> + struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj);
>>> +
>>> + if (setting->possible_values) {
>>> + /* Figure out what setting type is as BIOS does not return this */
>>> + if (strchr(setting->possible_values, ','))
>>> + return sysfs_emit(buf, "enumeration\n");
>>> + }
>>> + /* Anything else is going to be a string */
>>> + return sysfs_emit(buf, "string\n");
>>> +}
>>> +
>>> static ssize_t current_value_store(struct kobject *kobj,
>>> struct kobj_attribute *attr,
>>> const char *buf, size_t count)
>>> @@ -1036,10 +1050,13 @@ static struct kobj_attribute attr_possible_values = __ATTR_RO(possible_values);
>>>
>>> static struct kobj_attribute attr_current_val = __ATTR_RW_MODE(current_value, 0600);
>>>
>>> +static struct kobj_attribute attr_type = __ATTR_RO(type);
>>> +
>>> static struct attribute *tlmi_attrs[] = {
>>> &attr_displ_name.attr,
>>> &attr_current_val.attr,
>>> &attr_possible_values.attr,
>>> + &attr_type.attr,
>>> NULL
>>> };
>>>