MPIC was only used by Power3 which is now unsupported, so remove MPIC
code. XICS is now the only supported interrupt controller for
pSeries so do some cleanups too.
Signed-off-by: Rashmica Gupta <rashm...@gmail.com>
---
arch/powerpc/platforms/pseries/pseries.h | 6 ++----
arch/powerpc/platforms/pseries/setup.c | 2 +-
arch/powerpc/platforms/pseries/smp.c | 31 +++++--------------------------
3 files changed, 8 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/pseries.h
b/arch/powerpc/platforms/pseries/pseries.h
index 7aa83f00ac62..edeaec74b656 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -31,11 +31,9 @@ extern int pSeries_system_reset_exception(struct pt_regs
*regs);
extern int pSeries_machine_check_exception(struct pt_regs *regs);
#ifdef CONFIG_SMP
-extern void smp_init_pseries_mpic(void);
-extern void smp_init_pseries_xics(void);
+extern void smp_init_pseries(void);
#else
-static inline void smp_init_pseries_mpic(void) { };
-static inline void smp_init_pseries_xics(void) { };
+static inline void smp_init_pseries(void) { };
#endif
#ifdef CONFIG_KEXEC
diff --git a/arch/powerpc/platforms/pseries/setup.c
b/arch/powerpc/platforms/pseries/setup.c
index f83ac9be7f34..32a224d3eaa1 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -437,7 +437,7 @@ static void __init pSeries_setup_arch(void)
/* Discover PIC type and setup ppc_md accordingly */
setup_kexec_cpu_down_xics();
- smp_init_pseries_xics();
+ smp_init_pseries();
/* openpic global configuration register (64-bit format). */
diff --git a/arch/powerpc/platforms/pseries/smp.c
b/arch/powerpc/platforms/pseries/smp.c
index 6932ea803e33..93a8a67006c7 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -38,7 +38,6 @@
#include <asm/cputable.h>
#include <asm/firmware.h>
#include <asm/rtas.h>
-#include <asm/mpic.h>
#include <asm/vdso_datapage.h>
#include <asm/cputhreads.h>
#include <asm/xics.h>
@@ -140,7 +139,7 @@ out:
return 1;
}
-static void smp_xics_setup_cpu(int cpu)
+static void smp_setup_cpu(int cpu)
{
if (cpu != boot_cpuid)
xics_setup_cpu();
@@ -207,28 +206,22 @@ static __init void pSeries_smp_probe(void)
}
}
-static struct smp_ops_t pSeries_mpic_smp_ops = {
- .message_pass = smp_mpic_message_pass,
- .probe = smp_mpic_probe,
- .kick_cpu = smp_pSeries_kick_cpu,
- .setup_cpu = smp_mpic_setup_cpu,
-};
-
-static struct smp_ops_t pSeries_xics_smp_ops = {
+static struct smp_ops_t pSeries_smp_ops = {
.message_pass = NULL, /* Use smp_muxed_ipi_message_pass */
.cause_ipi = NULL, /* Filled at runtime by pSeries_smp_probe() */
.probe = pSeries_smp_probe,
.kick_cpu = smp_pSeries_kick_cpu,
- .setup_cpu = smp_xics_setup_cpu,
+ .setup_cpu = smp_setup_cpu,
.cpu_bootable = smp_generic_cpu_bootable,
};
/* This is called very early */
-static void __init smp_init_pseries(void)
+void __init smp_init_pseries(void)
{
int i;
pr_debug(" -> smp_init_pSeries()\n");
+ smp_ops = &pSeries_smp_ops;
alloc_bootmem_cpumask_var(&of_spin_mask);
@@ -258,17 +251,3 @@ static void __init smp_init_pseries(void)
pr_debug(" <- smp_init_pSeries()\n");
}
-
-void __init smp_init_pseries_mpic(void)
-{
- smp_ops = &pSeries_mpic_smp_ops;
-
- smp_init_pseries();
-}
-
-void __init smp_init_pseries_xics(void)
-{
- smp_ops = &pSeries_xics_smp_ops;
-
- smp_init_pseries();
-}
--
2.5.0
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