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| author | Michael Hennerich <michael.hennerich@analog.com> | 2008-02-02 15:10:51 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2008-02-02 15:10:51 +0800 |
| commit | 6cda2e90588ba2f70543abf68b4815e10c86aef1 (patch) | |
| tree | c4fbcc726fd4996848716538583ac0a30ba6f2e5 | |
| parent | a680ae9bdd8746ea4338e843db388fa67f1d1920 (diff) | |
| download | linux-6cda2e90588ba2f70543abf68b4815e10c86aef1.tar.gz linux-6cda2e90588ba2f70543abf68b4815e10c86aef1.tar.bz2 linux-6cda2e90588ba2f70543abf68b4815e10c86aef1.zip | |
[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 <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
| -rw-r--r-- | arch/blackfin/kernel/setup.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 2f156bfc2b2c..aca5e6e5bbdd 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -48,6 +48,8 @@ #include <asm/fixed_code.h> #include <asm/early_printk.h> +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); |