From: Sebastian Andrzej Siewior Date: Tue, 27 Apr 2010 20:53:30 +0000 (+0200) Subject: MIPS: Use CKSEG1ADDR for uncached handler X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4f81b01a30ffb338068d611e27da18c08db55464;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 To: Ralf Baechle Patchwork: http://patchwork.linux-mips.org/patch/1149/ Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 36460c7b7cc8..d612c6dcb746 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);