diff options
author | Andy Fleming <afleming@freescale.com> | 2013-08-05 14:58:35 -0500 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-14 14:56:57 +1000 |
commit | 39fd40274d1f3a52152ae6fc22f428d93f1a8363 (patch) | |
tree | 52c8d88d709b541ccc3cd68bb7ce29765ca1c036 /arch/powerpc/platforms | |
parent | 3cd852502316d42e3e75859e92d9f0a952bb55a2 (diff) | |
download | op-kernel-dev-39fd40274d1f3a52152ae6fc22f428d93f1a8363.zip op-kernel-dev-39fd40274d1f3a52152ae6fc22f428d93f1a8363.tar.gz |
powerpc: Convert platforms to smp_generic_cpu_bootable
T4, Cell, powernv, and pseries had the same implementation, so switch
them to use a generic version. A2 apparently had a version, but
removed it at some point, so we remove the declaration, too.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r-- | arch/powerpc/platforms/85xx/smp.c | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/smp.c | 15 | ||||
-rw-r--r-- | arch/powerpc/platforms/powernv/smp.c | 18 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 18 | ||||
-rw-r--r-- | arch/powerpc/platforms/wsp/wsp.h | 1 |
5 files changed, 4 insertions, 49 deletions
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c index 5ced4f5..ea9c626 100644 --- a/arch/powerpc/platforms/85xx/smp.c +++ b/arch/powerpc/platforms/85xx/smp.c @@ -255,6 +255,7 @@ out: struct smp_ops_t smp_85xx_ops = { .kick_cpu = smp_85xx_kick_cpu, + .cpu_bootable = smp_generic_cpu_bootable, #ifdef CONFIG_HOTPLUG_CPU .cpu_disable = generic_cpu_disable, .cpu_die = generic_cpu_die, diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c index f75f6fc..90745ea 100644 --- a/arch/powerpc/platforms/cell/smp.c +++ b/arch/powerpc/platforms/cell/smp.c @@ -136,25 +136,12 @@ static int smp_cell_kick_cpu(int nr) return 0; } -static int smp_cell_cpu_bootable(unsigned int nr) -{ - /* Special case - we inhibit secondary thread startup - * during boot if the user requests it. Odd-numbered - * cpus are assumed to be secondary threads. - */ - if (system_state == SYSTEM_BOOTING && - cpu_has_feature(CPU_FTR_SMT) && - !smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) - return 0; - - return 1; -} static struct smp_ops_t bpa_iic_smp_ops = { .message_pass = iic_message_pass, .probe = smp_iic_probe, .kick_cpu = smp_cell_kick_cpu, .setup_cpu = smp_cell_setup_cpu, - .cpu_bootable = smp_cell_cpu_bootable, + .cpu_bootable = smp_generic_cpu_bootable, }; /* This is called very early */ diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 89e3857..908672b 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -46,22 +46,6 @@ static void pnv_smp_setup_cpu(int cpu) xics_setup_cpu(); } -static int pnv_smp_cpu_bootable(unsigned int nr) -{ - /* Special case - we inhibit secondary thread startup - * during boot if the user requests it. - */ - if (system_state == SYSTEM_BOOTING && cpu_has_feature(CPU_FTR_SMT)) { - if (!smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) - return 0; - if (smt_enabled_at_boot - && cpu_thread_in_core(nr) >= smt_enabled_at_boot) - return 0; - } - - return 1; -} - int pnv_smp_kick_cpu(int nr) { unsigned int pcpu = get_hard_smp_processor_id(nr); @@ -195,7 +179,7 @@ static struct smp_ops_t pnv_smp_ops = { .probe = xics_smp_probe, .kick_cpu = pnv_smp_kick_cpu, .setup_cpu = pnv_smp_setup_cpu, - .cpu_bootable = pnv_smp_cpu_bootable, + .cpu_bootable = smp_generic_cpu_bootable, #ifdef CONFIG_HOTPLUG_CPU .cpu_disable = pnv_smp_cpu_disable, .cpu_die = generic_cpu_die, diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 306643c..ca2d1f6 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -187,22 +187,6 @@ static int smp_pSeries_kick_cpu(int nr) return 0; } -static int smp_pSeries_cpu_bootable(unsigned int nr) -{ - /* Special case - we inhibit secondary thread startup - * during boot if the user requests it. - */ - if (system_state == SYSTEM_BOOTING && cpu_has_feature(CPU_FTR_SMT)) { - if (!smt_enabled_at_boot && cpu_thread_in_core(nr) != 0) - return 0; - if (smt_enabled_at_boot - && cpu_thread_in_core(nr) >= smt_enabled_at_boot) - return 0; - } - - return 1; -} - /* Only used on systems that support multiple IPI mechanisms */ static void pSeries_cause_ipi_mux(int cpu, unsigned long data) { @@ -237,7 +221,7 @@ static struct smp_ops_t pSeries_xics_smp_ops = { .probe = pSeries_smp_probe, .kick_cpu = smp_pSeries_kick_cpu, .setup_cpu = smp_xics_setup_cpu, - .cpu_bootable = smp_pSeries_cpu_bootable, + .cpu_bootable = smp_generic_cpu_bootable, }; /* This is called very early */ diff --git a/arch/powerpc/platforms/wsp/wsp.h b/arch/powerpc/platforms/wsp/wsp.h index 62ef21a..a563a8a 100644 --- a/arch/powerpc/platforms/wsp/wsp.h +++ b/arch/powerpc/platforms/wsp/wsp.h @@ -17,7 +17,6 @@ extern void scom_init_wsp(void); extern void a2_setup_smp(void); extern int a2_scom_startup_cpu(unsigned int lcpu, int thr_idx, struct device_node *np); -extern int smp_a2_cpu_bootable(unsigned int nr); extern int smp_a2_kick_cpu(int nr); extern void opb_pic_init(void); |