linux-kernel - [PATCH] edac: fix skx_edac build error when ACPI

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Message-ID: <2a09f7f3-c129-d4c4-76cc-223550601bdb@infradead.org>
Date:   Sat, 12 May 2018 18:02:12 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>,
        Tony Luck <tony.luck@...el.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux Edac Mailing List <linux-edac@...r.kernel.org>
Subject: [PATCH] edac: fix skx_edac build error when ACPI_NFIT=m

From: Randy Dunlap <rdunlap@...radead.org>

Prevent build error when CONFIG_ACPI_NFIT=m and CONFIG_EDAC_SKX=y
by limiting EDAC_SKX based on how ACPI_NFIT is set.

Fixes this build error:
drivers/edac/skx_edac.o: In function `get_nvdimm_info':
../drivers/edac/skx_edac.c:399: undefined reference to `nfit_get_smbios_id'

Fixes: 58ca9ac1463d ("EDAC, skx_edac: Detect non-volatile DIMMs")

Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: stable@...r.kernel.org
---
 drivers/edac/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- lnx-417-rc4.orig/drivers/edac/Kconfig
+++ lnx-417-rc4/drivers/edac/Kconfig
@@ -232,6 +232,7 @@ config EDAC_SBRIDGE
 config EDAC_SKX
 	tristate "Intel Skylake server Integrated MC"
 	depends on PCI && X86_64 && X86_MCE_INTEL && PCI_MMCONFIG
+	depends on ACPI_NFIT || !ACPI_NFIT
 	select DMI
 	help
 	  Support for error detection and correction the Intel