diff options
| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-11-03 15:12:01 +0800 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2020-11-11 23:52:07 +0100 |
| commit | fe9863a19a5a73af8227548603fb521050769611 (patch) | |
| tree | e475b8afd292ef567ef640bbf5ae0397abe4b82e /arch/mips/loongson64/numa.c | |
| parent | 4d1b3ac886b5c03e966199edcc7e0efddd5c4cb2 (diff) | |
| download | linux-fe9863a19a5a73af8227548603fb521050769611.tar.bz2 | |
MIPS: Loongson64: Set the field ELPA of CP0_PAGEGRAIN only once
The field ELPA of CP0_PAGEGRAIN register is set at the beginning
of the kernel entry point in kernel-entry-init.h, no need to set
it again in numa.c, we can remove enable_lpa() and only print the
related information.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/loongson64/numa.c')
| -rw-r--r-- | arch/mips/loongson64/numa.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c index c7e3ccedc74f..509b360e4d28 100644 --- a/arch/mips/loongson64/numa.c +++ b/arch/mips/loongson64/numa.c @@ -35,20 +35,6 @@ EXPORT_SYMBOL(__node_data); cpumask_t __node_cpumask[MAX_NUMNODES]; EXPORT_SYMBOL(__node_cpumask); -static void enable_lpa(void) -{ - unsigned long value; - - value = __read_32bit_c0_register($16, 3); - pr_info("CP0_Config3: CP0 16.3 (0x%lx)\n", value); - - value = __read_32bit_c0_register($5, 1); - value |= 0x20000000; - __write_32bit_c0_register($5, 1, value); - value = __read_32bit_c0_register($5, 1); - pr_info("CP0_PageGrain: CP0 5.1 (0x%lx)\n", value); -} - static void cpu_node_probe(void) { int i; @@ -240,7 +226,8 @@ EXPORT_SYMBOL(pcibus_to_node); void __init prom_init_numa_memory(void) { - enable_lpa(); + pr_info("CP0_Config3: CP0 16.3 (0x%x)\n", read_c0_config3()); + pr_info("CP0_PageGrain: CP0 5.1 (0x%x)\n", read_c0_pagegrain()); prom_meminit(); } EXPORT_SYMBOL(prom_init_numa_memory); |