1 files changed, 57 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0034-x86-MCE-AMD-Export-smca_get_bank_type-symbol.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0034-x86-MCE-AMD-Export-smca_get_bank_type-symbol.patch
new file mode 100644
index 00000000..97911cda
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0034-x86-MCE-AMD-Export-smca_get_bank_type-symbol.patch
@@ -0,0 +1,57 @@
+From 134df742d5931a219033b89ff29a28d1ae09e818 Mon Sep 17 00:00:00 2001
+From: Mukul Joshi <mukul.joshi@amd.com>
+Date: Sat, 27 Mar 2021 22:54:04 -0400
+Subject: [PATCH 34/86] x86/MCE/AMD: Export smca_get_bank_type symbol
+
+commit f38ce910d8dfb7da439d0578d4b97259168306cd upstream
+
+Export smca_get_bank_type for use in the AMD GPU
+driver to determine MCA bank while handling correctable
+and uncorrectable errors in GPU UMC.
+
+Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
+Acked-by: Borislav Petkov <bp@suse.de>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com>
+---
+ arch/x86/include/asm/mce.h    | 2 +-
+ arch/x86/kernel/cpu/mce/amd.c | 3 ++-
+ 2 files changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
+index da9321548f6f..d69f716d8bc5 100644
+--- a/arch/x86/include/asm/mce.h
++++ b/arch/x86/include/asm/mce.h
+@@ -358,7 +358,7 @@ extern int mce_threshold_remove_device(unsigned int cpu);
+ 
+ void mce_amd_feature_init(struct cpuinfo_x86 *c);
+ int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr);
+-
++enum smca_bank_types smca_get_bank_type(unsigned int bank);
+ #else
+ 
+ static inline int mce_threshold_create_device(unsigned int cpu)		{ return 0; };
+diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
+index a873577e49dc..9f517009fd19 100644
+--- a/arch/x86/kernel/cpu/mce/amd.c
++++ b/arch/x86/kernel/cpu/mce/amd.c
+@@ -119,7 +119,7 @@ const char *smca_get_long_name(enum smca_bank_types t)
+ }
+ EXPORT_SYMBOL_GPL(smca_get_long_name);
+ 
+-static enum smca_bank_types smca_get_bank_type(unsigned int bank)
++enum smca_bank_types smca_get_bank_type(unsigned int bank)
+ {
+ 	struct smca_bank *b;
+ 
+@@ -132,6 +132,7 @@ static enum smca_bank_types smca_get_bank_type(unsigned int bank)
+ 
+ 	return b->hwid->bank_type;
+ }
++EXPORT_SYMBOL_GPL(smca_get_bank_type);
+ 
+ static struct smca_hwid smca_hwid_mcatypes[] = {
+ 	/* { bank_type, hwid_mcatype } */
+-- 
+2.37.3
+