diff options
| -rw-r--r-- | arch/arm/mach-shmobile/pm-r8a7740.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c index 081a4f9726a0..8b1af2a585ab 100644 --- a/arch/arm/mach-shmobile/pm-r8a7740.c +++ b/arch/arm/mach-shmobile/pm-r8a7740.c @@ -32,6 +32,16 @@ static int r8a7740_pd_a3sp_suspend(void) return console_suspend_enabled ? 0 : -EBUSY; } +static int r8a7740_pd_d4_suspend(void) +{ + /* + * The D4 domain contains the Coresight-ETM hardware block and + * therefore it should only be turned off if the debug module is + * not in use. + */ + return -EBUSY; +} + static struct rmobile_pm_domain r8a7740_pm_domains[] = { { .genpd.name = "A4LC", @@ -40,6 +50,11 @@ static struct rmobile_pm_domain r8a7740_pm_domains[] = { .genpd.name = "A4MP", .bit_shift = 2, }, { + .genpd.name = "D4", + .bit_shift = 3, + .gov = &pm_domain_always_on_gov, + .suspend = r8a7740_pd_d4_suspend, + }, { .genpd.name = "A3RV", .bit_shift = 6, }, { |