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Date:   Wed, 9 Aug 2023 08:59:39 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Naresh Kamboju <naresh.kamboju@linaro.org>
Cc:     linux-stable <stable@vger.kernel.org>,
        lkft-triage@lists.linaro.org, Sasha Levin <sashal@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Cristian Marussi <cristian.marussi@arm.com>,
        Bjorn Andersson <andersson@kernel.org>,
        Arnd Bergmann <arnd@arndb.de>,
        Anders Roxell <anders.roxell@linaro.org>
Subject: Re: stable-rc: 5.15: arm: fsl_dcu_drm_plane.c:176:20: error:
 'drm_plane_helper_destroy' undeclared here
Message-ID: <2023080946-wow-cross-1079@gregkh>
References: <CA+G9fYvTjm2oa6mXR=HUe6gYuVaS2nFb_otuvPfmPeKHDoC+Tw@mail.gmail.com>
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On Wed, Aug 09, 2023 at 11:47:45AM +0530, Naresh Kamboju wrote:
> While building Linux stable rc 5.15 arm with gcc-13 failed due to
> following warnings / errors.

I appreciate you attempting to build older LTS trees with newer
compilers, but note that usually, as you are finding out, this doesn't
work.

Right now I've finally gotten support for gcc-12 in all active stable
kernel trees, gcc-13 takes more work as you are finding out so I'm only
testing with newer trees (6.1 and newer).

So when you run into issues like this, that obviously work in newer
kernel releases, a report doesn't do much, BUT a git commit id of what
the commit that needs to be backported IS appreciated.

thanks,

greg k-h