diff options
| author | Magnus Damm <damm@opensource.se> | 2009-10-30 04:24:15 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-10-30 14:37:42 +0900 |
| commit | 02bf89347c7d6a6aeae64f02536dac038c402fce (patch) | |
| tree | 33e5f6060eb483a8519e3d20deead91d344948b6 /arch/sh/kernel/cpu/shmobile/cpuidle.c | |
| parent | 323ef8dba67fb7b9c709457bd0374d88cfb8f25f (diff) | |
| download | op-kernel-dev-02bf89347c7d6a6aeae64f02536dac038c402fce.zip op-kernel-dev-02bf89347c7d6a6aeae64f02536dac038c402fce.tar.gz | |
sh: Keep track of allowed sleep modes
Add code to keep track of supported sleep modes. This to
only export cpuidle modes that are backed by board support
code. Also, do not allow suspend-to-ram if sdram board code
is missing.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/shmobile/cpuidle.c')
| -rw-r--r-- | arch/sh/kernel/cpu/shmobile/cpuidle.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c index 1c504bd..83972aa 100644 --- a/arch/sh/kernel/cpu/shmobile/cpuidle.c +++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c @@ -87,25 +87,31 @@ void sh_mobile_setup_cpuidle(void) dev->safe_state = state; - state = &dev->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); - strncpy(state->desc, "SuperH Sleep Mode [SF]", CPUIDLE_DESC_LEN); - state->exit_latency = 100; - state->target_residency = 1 * 2; - state->power_usage = 1; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - state->enter = cpuidle_sleep_enter; + if (sh_mobile_sleep_supported & SUSP_SH_SF) { + state = &dev->states[i++]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); + strncpy(state->desc, "SuperH Sleep Mode [SF]", + CPUIDLE_DESC_LEN); + state->exit_latency = 100; + state->target_residency = 1 * 2; + state->power_usage = 1; + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + state->enter = cpuidle_sleep_enter; + } - state = &dev->states[i++]; - snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); - strncpy(state->desc, "SuperH Mobile Standby Mode [SF]", CPUIDLE_DESC_LEN); - state->exit_latency = 2300; - state->target_residency = 1 * 2; - state->power_usage = 1; - state->flags = 0; - state->flags |= CPUIDLE_FLAG_TIME_VALID; - state->enter = cpuidle_sleep_enter; + if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) { + state = &dev->states[i++]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); + strncpy(state->desc, "SuperH Mobile Standby Mode [SF]", + CPUIDLE_DESC_LEN); + state->exit_latency = 2300; + state->target_residency = 1 * 2; + state->power_usage = 1; + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + state->enter = cpuidle_sleep_enter; + } dev->state_count = i; |
