diff options
Diffstat (limited to 'drivers/soc/ti/pm33xx.c')
| -rw-r--r-- | drivers/soc/ti/pm33xx.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index ccc6d53fe788..de0123ec8ad6 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -130,6 +130,19 @@ static int am33xx_push_sram_idle(void) return 0; } +static int am33xx_do_sram_idle(u32 wfi_flags) +{ + int ret = 0; + + if (!m3_ipc || !pm_ops) + return 0; + + if (wfi_flags & WFI_FLAG_WAKE_M3) + ret = m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_IDLE); + + return pm_ops->cpu_suspend(am33xx_do_wfi_sram, wfi_flags); +} + static int __init am43xx_map_gic(void) { gic_dist_base = ioremap(AM43XX_GIC_DIST_BASE, SZ_4K); @@ -260,6 +273,8 @@ static int am33xx_pm_begin(suspend_state_t state) rtc_only_idle = 0; } + pm_ops->begin_suspend(); + switch (state) { case PM_SUSPEND_MEM: ret = m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_DEEPSLEEP); @@ -301,6 +316,8 @@ static void am33xx_pm_end(void) } rtc_only_idle = 0; + + pm_ops->finish_suspend(); } static int am33xx_pm_valid(suspend_state_t state) @@ -503,7 +520,7 @@ static int am33xx_pm_probe(struct platform_device *pdev) suspend_wfi_flags |= WFI_FLAG_WAKE_M3; #endif /* CONFIG_SUSPEND */ - ret = pm_ops->init(); + ret = pm_ops->init(am33xx_do_sram_idle); if (ret) { dev_err(dev, "Unable to call core pm init!\n"); ret = -ENODEV; @@ -522,6 +539,8 @@ err_free_sram: static int am33xx_pm_remove(struct platform_device *pdev) { + if (pm_ops->deinit) + pm_ops->deinit(); suspend_set_ops(NULL); wkup_m3_ipc_put(m3_ipc); am33xx_pm_free_sram(); |