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From: Sasha Levin <sashal@kernel.org>
To: Saravana Kannan <saravanak@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	stable <stable@vger.kernel.org>,
	Ondrej Jirman <megous@megous.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Maxime Ripard <maxime@cerno.tech>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	"open list:ARM/Allwinner sunXi SoC support"
	<linux-sunxi@lists.linux.dev>
Subject: Re: [PATCH AUTOSEL 5.4 07/15] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device
Date: Sun, 20 Jun 2021 08:56:51 -0400	[thread overview]
Message-ID: <YM87E3tYj+awywpN@sashalap> (raw)
In-Reply-To: <CAGETcx95bOAHiOm0MHqFWSbc8ONBPEzXbDyP82pO4B5o2QOX1A@mail.gmail.com>

On Tue, Jun 15, 2021 at 09:26:16AM -0700, Saravana Kannan wrote:
>On Tue, Jun 15, 2021 at 8:50 AM Sasha Levin <sashal@kernel.org> wrote:
>>
>> From: Saravana Kannan <saravanak@google.com>
>>
>> [ Upstream commit 9bf3797796f570b34438235a6a537df85832bdad ]
>>
>> On sunxi boards that use HDMI output, HDMI device probe keeps being
>> avoided indefinitely with these repeated messages in dmesg:
>>
>>   platform 1ee0000.hdmi: probe deferral - supplier 1ef0000.hdmi-phy
>>     not ready
>>
>> There's a fwnode_link being created with fw_devlink=on between hdmi
>> and hdmi-phy nodes, because both nodes have 'compatible' property set.
>>
>> Fw_devlink code assumes that nodes that have compatible property
>> set will also have a device associated with them by some driver
>> eventually. This is not the case with the current sun8i-hdmi
>> driver.
>>
>
>fw_devlink isn't present in 5.4 or earlier. So technically this patch
>isn't needed.

I'll drop it from <=5.4, thanks!

-- 
Thanks,
Sasha

      reply	other threads:[~2021-06-20 12:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210615154948.62711-1-sashal@kernel.org>
2021-06-15 15:49 ` [PATCH AUTOSEL 5.4 07/15] drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device Sasha Levin
2021-06-15 16:26   ` Saravana Kannan
2021-06-20 12:56     ` Sasha Levin [this message]

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