diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2017-03-06 17:44:22 -0800 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-04-03 15:13:48 +0200 |
| commit | 70f901b01c4ac4dfe741f91b76967a433674a37d (patch) | |
| tree | 06af5ec814e5ffcfd86d436f9e359d4c0b4918f9 /arch/arm/mach-imx/common.h | |
| parent | 3e92301d12417baf5ed424da3a64081243eda2c2 (diff) | |
ARM: imx: busfreq: initialize M4 frequency depending boot state
Set low frequency state in case M4 start with 24MHz. This makes sure
that Linux is aware of the M4 state and makes sure the bus frequency
is not accidentally increased during suspend (bus_freq_pm_notify).
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Diffstat (limited to 'arch/arm/mach-imx/common.h')
| -rw-r--r-- | arch/arm/mach-imx/common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index c26801af32ae..d933ddf34300 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -93,8 +93,10 @@ bool imx_mu_is_m4_in_stop(void); void imx_mu_set_m4_run_mode(void); #ifdef CONFIG_HAVE_IMX_MU int imx_mu_lpm_ready(bool ready); +void imx_mu_set_m4_low_freq(void); #else static inline int imx_mu_lpm_ready(bool ready) { return 0; } +static inline void imx_mu_set_m4_low_freq(void) { } #endif enum mxc_cpu_pwr_mode { |