diff options
Diffstat (limited to 'arch/blackfin/mach-bf561/smp.c')
| -rw-r--r-- | arch/blackfin/mach-bf561/smp.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c index 8c10701c251f..0192532e96a2 100644 --- a/arch/blackfin/mach-bf561/smp.c +++ b/arch/blackfin/mach-bf561/smp.c @@ -1,23 +1,8 @@ /* - * File: arch/blackfin/mach-bf561/smp.c - * Author: Philippe Gerum <rpm@xenomai.org> + * Copyright 2007-2009 Analog Devices Inc. + * Philippe Gerum <rpm@xenomai.org> * - * Copyright 2007 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #include <linux/init.h> @@ -67,8 +52,6 @@ int __init setup_profiling_timer(unsigned int multiplier) /* not supported */ void __cpuinit platform_secondary_init(unsigned int cpu) { - local_irq_disable(); - /* Clone setup for peripheral interrupt sources from CoreA. */ bfin_write_SICB_IMASK0(bfin_read_SICA_IMASK0()); bfin_write_SICB_IMASK1(bfin_read_SICA_IMASK1()); @@ -85,11 +68,6 @@ void __cpuinit platform_secondary_init(unsigned int cpu) bfin_write_SICB_IAR7(bfin_read_SICA_IAR7()); SSYNC(); - local_irq_enable(); - - /* Calibrate loops per jiffy value. */ - calibrate_delay(); - /* Store CPU-private information to the cpu_data array. */ bfin_setup_cpudata(cpu); @@ -123,9 +101,13 @@ int __cpuinit platform_boot_secondary(unsigned int cpu, struct task_struct *idle barrier(); } - spin_unlock(&boot_lock); - - return cpu_isset(cpu, cpu_callin_map) ? 0 : -ENOSYS; + if (cpu_isset(cpu, cpu_callin_map)) { + cpu_set(cpu, cpu_online_map); + /* release the lock and let coreb run */ + spin_unlock(&boot_lock); + return 0; + } else + panic("CPU%u: processor failed to boot\n", cpu); } void __init platform_request_ipi(irq_handler_t handler) |