linux-kernel - Re: MaxLinear, please maintain your drivers was Re: [PATCH] leds: lgm: fix gpiolib dependency

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Message-ID: <9a74ce79-b7cf-dec1-a64c-d928b5712645@hauke-m.de>
Date:   Wed, 10 Mar 2021 21:17:15 +0100
From:   Hauke Mehrtens <hauke@...ke-m.de>
To:     Arnd Bergmann <arnd@...nel.org>, Pavel Machek <pavel@....cz>,
        qwu@...linear.com
Cc:     Adam Borowski <kilobyte@...band.pl>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Dan Murphy <dmurphy@...com>, linux-leds@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        John Crispin <john@...ozen.org>,
        Hauke Mehrtens <hmehrtens@...linear.com>
Subject: Re: MaxLinear, please maintain your drivers was Re: [PATCH] leds:
 lgm: fix gpiolib dependency

On 3/10/21 5:57 PM, Arnd Bergmann wrote:
> On Wed, Mar 10, 2021 at 8:30 AM Pavel Machek <pavel@....cz> wrote:
>>
>> Hi!
>>
>>>>> I'd like people from Intel to contact me. There's more to fix there,
>>>>> and AFAICT original author went away.
>>>>
>>>> The following message to <mallikarjunax.reddy@...ux.intel.com> was
>>>> undeliverable.
>>>
>>>> <mallikarjunax.reddy@...ux.intel.com>: Recipient
>>>> +address rejected: User unknown in virtual mailbox table'
>>>
>>>> commit c3987cd2bca34ddfec69027acedb2fae5ffcf7a0
>>>> Author: Amireddy Mallikarjuna reddy <mallikarjunax.reddy@...ux.intel.com>
>>>
>>> I asked around, and got told Mallikarjuna has been "sold" to MaxLinear,
>>> together with the rest of the Connected Home Division.  So he most likely
>>> still works on this stuff, just under a different banner.
>>>
>>>> If someone knows how to contact the author, that would be welcome.
>>>
>>> Alas, no idea about his MaxLinear address.
>>
>> Thanks for the effort. Anyway, I suspect I'll just do this:
> 
> Maybe Hauke or John  (added both to cc) know who at MaxLinear is
> responsible for maintaining the Lightning Mountain drivers now.
> 
>         Arnd

Hi Qiming,

It looks like there are some problems and potential fixes for the led 
driver Mallikarjuna added to the Linux kernel for LGM some time ago.

Could you please take care of this request from Pavel and Arnd.


Hauke


> 
>> diff --git a/drivers/leds/blink/Kconfig b/drivers/leds/blink/Kconfig
>> index 6dedc58c47b3..79493f21d365 100644
>> --- a/drivers/leds/blink/Kconfig
>> +++ b/drivers/leds/blink/Kconfig
>> @@ -1,14 +1,6 @@
>> -menuconfig LEDS_BLINK
>> -       bool "LED Blink support"
>> -       depends on LEDS_CLASS
>> -       help
>> -         This option enables blink support for the leds class.
>> -         If unsure, say Y.
>> -
>> -if LEDS_BLINK
>> -
>>   config LEDS_BLINK_LGM
>>          tristate "LED support for Intel LGM SoC series"
>> +       depends on BROKEN
>>          depends on GPIOLIB
>>          depends on LEDS_CLASS
>>          depends on MFD_SYSCON
>> @@ -17,5 +9,3 @@ config LEDS_BLINK_LGM
>>            Parallel to serial conversion, which is also called SSO controller,
>>            can drive external shift register for LED outputs.
>>            This enables LED support for Serial Shift Output controller(SSO).
>> -
>> -endif # LEDS_BLINK
>>
>>
>> --
>> http://www.livejournal.com/~pavelmachek