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-rw-r--r--arch/ppc64/Kconfig6
-rw-r--r--arch/ppc64/configs/iSeries_defconfig1
-rw-r--r--include/asm-ppc64/abs_addr.h19
3 files changed, 5 insertions, 21 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 4d4f81c..13b262f 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -302,12 +302,6 @@ config GENERIC_HARDIRQS
bool
default y
-config MSCHUNKS
- bool
- depends on PPC_ISERIES
- default y
-
-
config PPC_RTAS
bool
depends on PPC_PSERIES || PPC_BPA
diff --git a/arch/ppc64/configs/iSeries_defconfig b/arch/ppc64/configs/iSeries_defconfig
index 394ba18..219c667 100644
--- a/arch/ppc64/configs/iSeries_defconfig
+++ b/arch/ppc64/configs/iSeries_defconfig
@@ -99,7 +99,6 @@ CONFIG_HZ_100=y
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
CONFIG_GENERIC_HARDIRQS=y
-CONFIG_MSCHUNKS=y
CONFIG_LPARCFG=y
CONFIG_SECCOMP=y
CONFIG_ISA_DMA_API=y
diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-ppc64/abs_addr.h
index 200db1c..84c24d4 100644
--- a/include/asm-ppc64/abs_addr.h
+++ b/include/asm-ppc64/abs_addr.h
@@ -16,8 +16,7 @@
#include <asm/page.h>
#include <asm/prom.h>
#include <asm/lmb.h>
-
-#ifdef CONFIG_MSCHUNKS
+#include <asm/firmware.h>
struct mschunks_map {
unsigned long num_chunks;
@@ -48,6 +47,10 @@ static inline unsigned long phys_to_abs(unsigned long pa)
{
unsigned long chunk;
+ /* This is a no-op on non-iSeries */
+ if (!firmware_has_feature(FW_FEATURE_ISERIES))
+ return pa;
+
chunk = addr_to_chunk(pa);
if (chunk < mschunks_map.num_chunks)
@@ -56,18 +59,6 @@ static inline unsigned long phys_to_abs(unsigned long pa)
return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK);
}
-#else /* !CONFIG_MSCHUNKS */
-
-#define chunk_to_addr(chunk) ((unsigned long)(chunk))
-#define addr_to_chunk(addr) (addr)
-#define chunk_offset(addr) (0)
-#define abs_chunk(pchunk) (pchunk)
-
-#define phys_to_abs(pa) (pa)
-#define physRpn_to_absRpn(rpn) (rpn)
-
-#endif /* !CONFIG_MSCHUNKS */
-
/* Convenience macros */
#define virt_to_abs(va) phys_to_abs(__pa(va))
#define abs_to_virt(aa) __va(aa)
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