linux-kernel - Re: [PATCH 2/2] rtc: x1205: Fix Xicor X1205 vendor prefix

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Message-ID: <CAL_Jsq+gty=zHMnaOd9COh-vjAxHenQWtbn9EczA73qGbfzCSQ@mail.gmail.com>
Date: Thu, 21 Aug 2025 17:43:10 -0500
From: Rob Herring <robh@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, linux-rtc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] rtc: x1205: Fix Xicor X1205 vendor prefix

On Thu, Aug 21, 2025 at 5:21 PM Linus Walleij <linus.walleij@...aro.org> wrote:
>
> On Thu, Aug 21, 2025 at 11:57 PM Rob Herring (Arm) <robh@...nel.org> wrote:
>
> > The vendor for the X1205 RTC is not Xircom, but Xicor which was acquired
> > by Intersil. Since the I2C subsystem drops the vendor prefix for driver
> > matching, the vendor prefix hasn't mattered.
> >
> > Fixes: 6875404fdb44 ("rtc: x1205: Add DT probing support")
> > Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
>
> This should probably be tagged for stable since there is
> a device tree using this (correct) compatible and it doesn't
> probe right now.

It should probe just fine as I explained. The I2C subsystem strips the
vendor prefix off for matching, so what you put doesn't really matter.

Rob