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Mon, 8 Dec 2025 15:05:57 -0500 (EST) Date: Mon, 8 Dec 2025 21:05:55 +0100 From: Janne Grunau To: Paul Kocialkowski Cc: Randy Dunlap , Linux Kernel Mailing List , Andy Shevchenko , Arnd Bergmann , andrew.jones@linux.dev, linux-omap@vger.kernel.org, openbmc@lists.ozlabs.org, linux-sound@vger.kernel.org, Alexander Shishkin , linux-mips@vger.kernel.org, asahi@lists.linux.dev, "dri-devel@lists.freedesktop.org" , chrome-platform@lists.linux.dev, Paul Cercueil , linux-stm32@st-md-mailman.stormreply.com, Linux ARM , linux-gpio@vger.kernel.org, Srinivas Kandagatla , Philipp Zabel , Matti Vaittinen , Jonathan Cameron , Vaibhav Hiremath , linux-sh@vger.kernel.org, x86@kernel.org, Max Filippov Subject: Re: Kconfig dangling references (BZ 216748) Message-ID: <20251208200555.GA333481@robin.jannau.net> References: <22b92ddf-6321-41b5-8073-f9c7064d3432@infradead.org> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Mon, Dec 08, 2025 at 07:13:50PM +0100, Paul Kocialkowski wrote: > Hi Randy, > > On Sun 07 Dec 25, 18:04, Randy Dunlap wrote: > > from https://bugzilla.kernel.org/show_bug.cgi?id=216748 > > > > The bugzilla entry includes a Perl script and a shell script. > > This is the edited result of running them (I removed some entries that were noise). > > [...] > > > DRM_KMS_DMA_HELPER --- > > drivers/gpu/drm/adp/Kconfig:9: select DRM_KMS_DMA_HELPER > > drivers/gpu/drm/logicvc/Kconfig:7: select DRM_KMS_DMA_HELPER > > For these two, the symbol was removed in commit > 09717af7d13d63df141ae6e71686289989d17efd That commit removed DRM_KMS_CMA_HELPER. Later commit 6bcfe8eaeef0 ("drm/fb: rename FB CMA helpers to FB DMA helpers") renamed DRM_KMS_CMA_HELPER erroneously to DRM_KMS_DMA_HELPER. > but these two drivers either were > missed by the batch rename or were introduced a bit later. In the case of drivers/gpu/drm/adp/Kconfig it was missed much later during review (but iirc went through the same rename out of tree). > Since the symbol selected DRM_GEM_CMA_HELPER (which is still needed by the > drivers), it should be replaced with DRM_GEM_CMA_HELPER. That symbol doesn't exist anymore either. It's now DRM_GEM_DMA_HELPER which is already present in both files. So the "select DRM_KMS_DMA_HELPER" lines can be removed from both files. Janne