[PATCH v10 1/5] arm64: Enable EDAC on ARM64

Loc Ho
2015-05-18T23:24:37Z

Add an stub atomic_scrub function and enable EDAC for arm64.

Signed-off-by: Loc Ho <lho@apm.com>
---
arch/arm64/Kconfig | 1 +
arch/arm64/include/asm/edac.h | 28 ++++++++++++++++++++++++++++
2 files changed, 29 insertions(+), 0 deletions(-)
create mode 100644 arch/arm64/include/asm/edac.h

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4269dba..577078f 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -22,6 +22,7 @@ config ARM64
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
select COMMON_CLK
+ select EDAC_SUPPORT
select CPU_PM if (SUSPEND || CPU_IDLE)
select DCACHE_WORD_ACCESS
select GENERIC_ALLOCATOR
diff --git a/arch/arm64/include/asm/edac.h b/arch/arm64/include/asm/edac.h
new file mode 100644
index 0000000..683495b
--- /dev/null
+++ b/arch/arm64/include/asm/edac.h
@@ -0,0 +1,28 @@
+/*
+ * ARM64 EDAC Header File
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_EDAC_H
+#define __ASM_EDAC_H
+
+/*
+ * ECC atomic, DMA, SMP and interrupt safe scrub function.
+ */
+static inline void atomic_scrub(void *va, u32 size)
+{
+ /* Stub function for now until an ARM64 HW has a way to test it. */
+ WARN_ONCE(1, "not implemented");
+}
+
+#endif
--
1.7.1