[MIPS] TXx9: Cleanups for 64-bit support

* Unify (and fix) mem_tx4938.c and mem_tx4927.c
* Simplify prom_init
* Kill volatiles and unused definitions for tx4927.h and tx4938.h

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c
index 942e627d2dc1..5c0de54ebdd2 100644
--- a/arch/mips/txx9/rbtx4927/prom.c
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -36,10 +36,6 @@
 
 void __init rbtx4927_prom_init(void)
 {
-        extern int tx4927_get_mem_size(void);
-        int msize;
-
         prom_init_cmdline();
-        msize = tx4927_get_mem_size();
-        add_memory_region(0, msize << 20, BOOT_MEM_RAM);
+        add_memory_region(0, tx4927_get_mem_size(), BOOT_MEM_RAM);
 }