linux-kernel - Re: [PATCH] pwm: bcm2835: Dynamically allocate base

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Message-ID: <773a00f4-178d-4d3e-a2d1-f82564457a0f@gmail.com>
Date:   Fri, 13 Mar 2020 10:37:05 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:PWM SUBSYSTEM" <linux-pwm@...r.kernel.org>,
        Scott Branden <sbranden@...adcom.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Ray Jui <rjui@...adcom.com>,
        "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." 
        <bcm-kernel-feedback-list@...adcom.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>
Subject: Re: [PATCH] pwm: bcm2835: Dynamically allocate base



On 2/20/2020 1:07 PM, Uwe Kleine-König wrote:
> [Dropping Bart Tanghe from recipents as the address bounces]
> 
> Hello Thierry,
> 
> On Thu, Feb 20, 2020 at 11:14:00AM -0800, Florian Fainelli wrote:
>> On 2/4/20 1:17 AM, Nicolas Saenz Julienne wrote:
>>> On Mon, 2020-02-03 at 13:35 -0800, Florian Fainelli wrote:
>>>> The newer 2711 and 7211 chips have two PWM controllers and failure to
>>>> dynamically allocate the PWM base would prevent the second PWM
>>>> controller instance being probed for succeeding with an -EEXIST error
>>>> from alloc_pwms().
>>>>
>>>> Fixes: e5a06dc5ac1f ("pwm: Add BCM2835 PWM driver")
>>>> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
>>>> ---
>>>
>>> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
>>
>> Thierry, is there any chance we can get this applied for an upcoming
>> 5.6-rcX? Thank you!
> 
> to assist you with patch sorting:
> 
> # revisions < v6 of "Convert period and duty cycle to u64"
> pwclient -s Superseded 1237020 1237019 1229049 1229050 1222396
> 
> # most of "Add support for Azoteq IQS620A/621/622/624/625" v5 isn't for pwm
> pwclient -s "Not Applicable" 1238908 1238907 1238906 1238904 1238903 1238901
> 
> # most of "Add support for Azoteq IQS620A/621/622/624/625" v4 isn't for pwm
> pwclient -s "Not Applicable" 1224598 1224597 1224596 1224594 1224593 1224592
> pwclient -s "Superseeded" 1224595
> 
> # "backlight: pwm_bl: Use gpiod_get_value_cansleep() to get initial
> # state" already applied by Lee Jones
> pwclient -s "Not Applicable" 1031586
> 
> # Problem resolved by Michal Vokáč
> pwclient -s "Rejected"  1059267
> 
> (Not sure "Rejected" is the right state.)

Thierry, can we get this patch included in v5.7? I have not seen it show
up in linux-next yet.

Thank you!
-- 
Florian