ARM: shmobile: r8a7740: Add A3SM pm domain support

Add support for the A3SM power domain, and hook it up as a subdomain of
A4S.

This domain contains the System CPU (Cortex-A9) hardware block. Hence
move the special CPU handling from A4S to A3SM.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 8 insertions, 4 deletions

diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c
index 27117a8a49ad..ac2eecd6f5ea 100644
--- a/arch/arm/mach-shmobile/pm-r8a7740.c
+++ b/arch/arm/mach-shmobile/pm-r8a7740.c
@@ -14,10 +14,10 @@
 #include "pm-rmobile.h"
 
 #if defined(CONFIG_PM) && !defined(CONFIG_ARCH_MULTIPLATFORM)
-static int r8a7740_pd_a4s_suspend(void)
+static int r8a7740_pd_a3sm_suspend(void)
 {
         /*
-         * The A4S domain contains the CPU core and therefore it should
+         * The A3SM domain contains the CPU core and therefore it should
          * only be turned off if the CPU is not in use.
          */
         return -EBUSY;
@@ -63,9 +63,7 @@ static struct rmobile_pm_domain r8a7740_pm_domains[] = {
         }, {
                 .genpd.name     = "A4S",
                 .bit_shift      = 10,
-                .gov            = &pm_domain_always_on_gov,
                 .no_debug       = true,
-                .suspend        = r8a7740_pd_a4s_suspend,
         }, {
                 .genpd.name     = "A3SP",
                 .bit_shift      = 11,
@@ -73,6 +71,11 @@ static struct rmobile_pm_domain r8a7740_pm_domains[] = {
                 .no_debug       = true,
                 .suspend        = r8a7740_pd_a3sp_suspend,
         }, {
+                .genpd.name     = "A3SM",
+                .bit_shift      = 12,
+                .gov            = &pm_domain_always_on_gov,
+                .suspend        = r8a7740_pd_a3sm_suspend,
+        }, {
                 .genpd.name     = "A3SG",
                 .bit_shift      = 13,
         }, {
@@ -86,6 +89,7 @@ void __init r8a7740_init_pm_domains(void)
         rmobile_init_domains(r8a7740_pm_domains, ARRAY_SIZE(r8a7740_pm_domains));
         pm_genpd_add_subdomain_names("A4R", "A3RV");
         pm_genpd_add_subdomain_names("A4S", "A3SP");
+        pm_genpd_add_subdomain_names("A4S", "A3SM");
         pm_genpd_add_subdomain_names("A4S", "A3SG");
 }
 #endif /* CONFIG_PM && !CONFIG_ARCH_MULTIPLATFORM */