Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [TEST PATCH v1] driver: core: Make fw_devlink=on more forgiving
To:     Saravana Kannan <saravanak@google.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>
Cc:     Geert Uytterhoeven <geert@linux-m68k.org>,
        Marc Zyngier <maz@kernel.org>, kernel-team@android.com,
        linux-kernel@vger.kernel.org
From:   Marek Szyprowski <m.szyprowski@samsung.com>
Message-ID: <80832719-85dc-c6ba-a7e9-5d53f4020e52@samsung.com>
Date:   Thu, 21 Jan 2021 11:33:39 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0)
        Gecko/20100101 Thunderbird/78.6.1
MIME-Version: 1.0
In-Reply-To: <20210121082248.883253-1-saravanak@google.com>
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 201P
References: <20201218031703.3053753-6-saravanak@google.com>
        <CGME20210121082255eucas1p1b55474f1c6cc3fd30d058082597439b5@eucas1p1.samsung.com>
        <20210121082248.883253-1-saravanak@google.com>
Precedence: bulk

Hi Saravana,

On 21.01.2021 09:22, Saravana Kannan wrote:
> This patch is for test purposes only and pretty experimental. Code might
> not be optimized, clean, formatted properly, etc.
>
> Please review it only for functional bugs like locking bugs, wrong
> logic, etc.
>
> It's basically trying to figure out which devices will never probe and
> ignore them. Might not always work.
>
> Marek, Geert, Marc,
>
> Can you please try this patch INSTEAD of the other workarounds we found?

I've checked the latest linux-next with this patch and commit 
c09a3e6c97f0 ("soc: samsung: pm_domains: Convert to regular platform 
driver") reverted. Sadly it doesn't help. All devices that belongs to 
the Exynos power domains are not probed at all ("supplier 
10023cXX.power-domain not ready").

> Jon, Michael,
>
> I'm explicitly not including you in the "To" because this patch won't
> work for your issues.
>
> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Cc: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Saravana Kannan <saravanak@google.com>
> ---
>   drivers/base/base.h |   3 ++
>   drivers/base/core.c | 117 +++++++++++++++++++++++++++++++++++++++++++-
>   drivers/base/dd.c   |  24 +++++++++
>   3 files changed, 142 insertions(+), 2 deletions(-)
>
> > [...]

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