From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4077D497393; Thu, 17 Sep 2026 15:55:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660527; cv=none; b=o981iqZ7W/TINj4ywTKhsogIPFWaD0+pVXoBWnvQ37DQfxv8veih1p62FqvpGnTLkmkwB6g9syqnccqDHZBW/ajSiPDRoFfaxybS9V3qbSAzOAzUj7KjWP8fikexvyT/vHBnv2l47L8D5FnKIvQhDYIS9cg/mkVJUSUz2uM7uIM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660527; c=relaxed/simple; bh=L38sj/oPF+SgDEJj8vtcGsboNoDf1hlyZ8xrE1I0Of8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ikYDUFt5gDbHJQSmfi2cHs4g1FbrN5LJy25ep/sCzEjANkFx8lc2T9UMENKxaU8aEI9FwjW+HsDJU6DAW1MU2c4Vbv35GLV/BakgKMyGeU42zHOTjI8U923mqLPYS9pqCQasZE6uFp5LVCsj/7H7WNOJDcOXOLuh6vdQQx3wxdk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DyvGmeKm; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DyvGmeKm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE2971F000FF; Thu, 17 Sep 2026 15:55:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789660524; bh=4tT0hSQZzT4nABmz0hTt14V/U2PpBkIFPgyrWbrbsOw=; h=From:To:Cc:Subject:Date; b=DyvGmeKmYJajnlOvIQqkzKyuLf9eqb/aCoiYdYNKCP8LV7Ym+3cnIN3+D65zqawUZ 0+p9uBtYyuhJNEppGew/ClGTLip+XLM6Y5ta+nQ7+LHUblUnM2Jybfp1Ag3881XH0Y fxsgltWXsu+y3DOhbVEEvuMMOx+3HpQmWUKXlAwdc/6kOMRnCVgx6mIO8EDSnBsCfj 1x/EBb34cbrzAcUGB2lfQqYjp3g1Fa/Z/mrc+Py/zMtYd79MPZPMOndLyDyGIDgjTE a9As5u/vBb6Hu/fmkh3NIThtt0O3RoaWYwjb9e8alnAXTnKpi5HZji097RWdecXRjw k1LOW3EOr+bWg== From: Arnd Bergmann To: Edward Cree , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Dave Jiang , Dan Williams , Alejandro Lucero Cc: Arnd Bergmann , Jonathan Cameron , Alison Schofield , netdev@vger.kernel.org, linux-net-drivers@amd.com, linux-kernel@vger.kernel.org Subject: [PATCH] sfc: fix CONFIG_CXL_MEM dependency Date: Thu, 17 Sep 2026 17:55:11 +0200 Message-ID: <20260917155519.2121486-1-arnd@kernel.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Arnd Bergmann A recent patch introduced a call to devm_cxl_probe_mem(), which is only available when CXL_MEM is enabled. If CXL_MEM is in a loadable module, this causes a link failure for a builtin driver: s390-linux-ld: drivers/net/ethernet/sfc/efx_cxl.o: in function `efx_cxl_init': efx_cxl.c:(.text+0x156): undefined reference to `devm_cxl_probe_mem' Adapt the dependency to require CXL_MEM instead of CXL_BUS, which we know is available when CXL_MEM is. Fixes: 0418860ef2ca ("sfc: obtain and map cxl range using devm_cxl_probe_mem") Signed-off-by: Arnd Bergmann --- drivers/net/ethernet/sfc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig index 979f2801e2a8..e2898ec2e6e9 100644 --- a/drivers/net/ethernet/sfc/Kconfig +++ b/drivers/net/ethernet/sfc/Kconfig @@ -68,7 +68,7 @@ config SFC_MCDI_LOGGING a sysfs file 'mcdi_logging' under the PCI device. config SFC_CXL bool "Solarflare SFC9100-family CXL support" - depends on SFC && CXL_BUS >= SFC + depends on SFC && CXL_MEM >= SFC default SFC help This enables SFC CXL support if the kernel is configuring CXL for -- 2.53.0