From 6cda2e90588ba2f70543abf68b4815e10c86aef1 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Sat, 2 Feb 2008 15:10:51 +0800 Subject: [Blackfin] arch: Fix BUG - Enable ISP1362 driver to work ok with BF561 This fixes a bug (zero pointer access) only seen on BF561, during USB Mass Storage/SCSI Host initialization. It appears to be related to registering a none existing CPU Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'arch/blackfin/kernel/setup.c') diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 2f156bfc2b2..aca5e6e5bbd 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -48,6 +48,8 @@ #include #include +static DEFINE_PER_CPU(struct cpu, cpu_devices); + u16 _bfin_swrst; unsigned long memory_start, memory_end, physical_mem_end; @@ -763,15 +765,15 @@ void __init setup_arch(char **cmdline_p) static int __init topology_init(void) { -#if defined (CONFIG_BF561) - static struct cpu cpu[2]; - register_cpu(&cpu[0], 0); - register_cpu(&cpu[1], 1); + int cpu; + + for_each_possible_cpu(cpu) { + struct cpu *c = &per_cpu(cpu_devices, cpu); + + register_cpu(c, cpu); + } + return 0; -#else - static struct cpu cpu[1]; - return register_cpu(cpu, 0); -#endif } subsys_initcall(topology_init); -- cgit v1.2.3