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authorSebastian Andrzej Siewior <sebastian@breakpoint.cc>2010-04-27 22:53:30 +0200
committerRalf Baechle <ralf@linux-mips.org>2010-04-30 20:52:48 +0100
commit4f81b01a30ffb338068d611e27da18c08db55464 (patch)
treed60e6b0f6de80a485a56c21e4b008c8681c88008
parent1ec56329ff939aba29291c0dec1a28ceed660162 (diff)
downloadlinux-2.6.34-ux500-4f81b01a30ffb338068d611e27da18c08db55464.tar.gz
MIPS: Use CKSEG1ADDR for uncached handler
"MIPS: Calculate proper ebase value for 64-bit kernels" 9af43ea080dd5d6c7b34f38261780e5dd43537bc (lmo) rsp. f6be75d03c8870be91e6e2a195648ece04b6bb16 (kernel.org) broke some 64-bit MIPS systems. Before this we were using XKPHYS/cached as ebase and computed the uncached xphsys/unchached address for that area. After that commit ebase became a 32-bit compat address and convert does not work anymore. We now should use CKSEG1 for this. CKSEG1ADDR does just that in 32-bit and 64-bit. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> To: Ralf Baechle <ralf@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/1149/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/kernel/traps.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 36460c7b7cc..d612c6dcb74 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1562,12 +1562,7 @@ static char panic_null_cerr[] __cpuinitdata =
void __cpuinit set_uncached_handler(unsigned long offset, void *addr,
unsigned long size)
{
-#ifdef CONFIG_32BIT
- unsigned long uncached_ebase = KSEG1ADDR(ebase);
-#endif
-#ifdef CONFIG_64BIT
- unsigned long uncached_ebase = TO_UNCAC(ebase);
-#endif
+ unsigned long uncached_ebase = CKSEG1ADDR(ebase);
if (!addr)
panic(panic_null_cerr);