linux-kernel - Re: [PATCH v5 3/8] thermal: intel_bxt_pmic_thermal: Use first level PMIC thermal irq

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Date:   Sat, 3 Jun 2017 21:18:13 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>
Cc:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Alexandre Courbot <gnurou@...il.com>,
        "Krogerus, Heikki" <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "edubezval@...il.com" <edubezval@...il.com>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        Lee Jones <lee.jones@...aro.org>,
        Andy Shevchenko <andy@...radead.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH v5 3/8] thermal: intel_bxt_pmic_thermal: Use first level
 PMIC thermal irq

On Sat, Jun 3, 2017 at 8:53 PM, Sathyanarayanan Kuppuswamy Natarajan
<sathyaosid@...il.com> wrote:
> On Sat, Jun 3, 2017 at 10:32 AM, Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
>> On Sat, Jun 3, 2017 at 8:28 PM, Sathyanarayanan Kuppuswamy Natarajan
>> <sathyaosid@...il.com> wrote:

>> Let's assume we applied patches 1 and 2, does it mean the regression
>> to the existing behaviour?
>
> Yes, Just applying patch 1 & 2 and not apply patch 3 will create
> regression in thermal driver.
>
> Since there is no compilation dependency between patch 2 & 3 and they
> are from two different domains, I submitted them separately to make it
> easier for review.

And this is exactly bisectability (level 2 :-) ) issue.
Basically you confirmed you need to squash them like I said.

>> (For example, device worked improperly in some cases -> stopped
>> working completely)

-- 
With Best Regards,
Andy Shevchenko