linux-kernel - [PATCH] EDAC/igen6: fix core dependency

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Date:   Sat, 19 Jun 2021 09:02:03 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-edac@...r.kernel.org
Subject: [PATCH] EDAC/igen6: fix core dependency

igen6_edac needs mce_register()/unregister() functions,
so it should depend on X86_MCE (or X86_MCE_INTEL).

That change prevents these build errors:

ld: drivers/edac/igen6_edac.o: in function `igen6_remove':
igen6_edac.c:(.text+0x494): undefined reference to `mce_unregister_decode_chain'
ld: drivers/edac/igen6_edac.o: in function `igen6_probe':
igen6_edac.c:(.text+0xf5b): undefined reference to `mce_register_decode_chain'

Fixes: 10590a9d4f23e ("EDAC/igen6: Add EDAC driver for Intel client SoCs using IBECC")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@...el.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-edac@...r.kernel.org
---
 drivers/edac/Kconfig |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-next-20210618.orig/drivers/edac/Kconfig
+++ linux-next-20210618/drivers/edac/Kconfig
@@ -270,7 +270,8 @@ config EDAC_PND2
 
 config EDAC_IGEN6
 	tristate "Intel client SoC Integrated MC"
-	depends on PCI && X86_64 && PCI_MMCONFIG && ARCH_HAVE_NMI_SAFE_CMPXCHG
+	depends on PCI && PCI_MMCONFIG && ARCH_HAVE_NMI_SAFE_CMPXCHG
+	depends on X64_64 && X86_MCE_INTEL
 	help
 	  Support for error detection and correction on the Intel
 	  client SoC Integrated Memory Controller using In-Band ECC IP.