diff options
Diffstat (limited to 'arch/arm/mach-imx/busfreq-imx.c')
| -rw-r--r-- | arch/arm/mach-imx/busfreq-imx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/busfreq-imx.c b/arch/arm/mach-imx/busfreq-imx.c index 39fe400a48e2..e36b0ffd5cc3 100644 --- a/arch/arm/mach-imx/busfreq-imx.c +++ b/arch/arm/mach-imx/busfreq-imx.c @@ -923,12 +923,16 @@ static int bus_freq_pm_notify(struct notifier_block *nb, unsigned long event, mutex_lock(&bus_freq_mutex); if (event == PM_SUSPEND_PREPARE) { + if (cpu_is_imx7d() && imx_src_is_m4_enabled()) + imx_mu_lpm_ready(false); high_bus_count++; set_high_bus_freq(1); busfreq_suspended = 1; } else if (event == PM_POST_SUSPEND) { busfreq_suspended = 0; high_bus_count--; + if (cpu_is_imx7d() && imx_src_is_m4_enabled()) + imx_mu_lpm_ready(true); schedule_delayed_work(&bus_freq_daemon, usecs_to_jiffies(5000000)); } @@ -1180,8 +1184,10 @@ static int busfreq_probe(struct platform_device *pdev) high_bus_count++; } - if (cpu_is_imx7d() && imx_src_is_m4_enabled()) + if (cpu_is_imx7d() && imx_src_is_m4_enabled()) { high_bus_count++; + imx_mu_lpm_ready(true); + } if (err) { dev_err(busfreq_dev, "Busfreq init of ddr controller failed\n"); |