From dc2c9c52b604f51b1416ed87ff54a1c77a1a8b5b Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Thu, 26 Aug 2010 02:49:07 -0500 Subject: [PATCH] powerpc/85xx: Set up doorbells even with no mpic In cases like when the platform is used under hypervisor we will NOT have an MPIC controller but still want doorbells setup. Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/platforms/85xx/smp.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 8eef8d2b4472..f5aa6190bba2 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -111,14 +111,6 @@ smp_85xx_kick_cpu(int nr) return 0; } -static void __init -smp_85xx_setup_cpu(int cpu_nr) -{ - mpic_setup_this_cpu(); - if (cpu_has_feature(CPU_FTR_DBELL)) - doorbell_setup_this_cpu(); -} - struct smp_ops_t smp_85xx_ops = { .kick_cpu = smp_85xx_kick_cpu, #ifdef CONFIG_KEXEC @@ -224,14 +216,25 @@ static void mpc85xx_smp_machine_kexec(struct kimage *image) } #endif /* CONFIG_KEXEC */ +static void __init +smp_85xx_setup_cpu(int cpu_nr) +{ + if (smp_85xx_ops.probe == smp_mpic_probe) + mpic_setup_this_cpu(); + + if (cpu_has_feature(CPU_FTR_DBELL)) + doorbell_setup_this_cpu(); +} + void __init mpc85xx_smp_init(void) { struct device_node *np; + smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; + np = of_find_node_by_type(NULL, "open-pic"); if (np) { smp_85xx_ops.probe = smp_mpic_probe; - smp_85xx_ops.setup_cpu = smp_85xx_setup_cpu; smp_85xx_ops.message_pass = smp_mpic_message_pass; } -- 2.34.1