kernel/drivers/devfreq/rockchip_dmc_common.c
.. .. @@ -166,6 +166,15 @@ 166 166 } 167 167 EXPORT_SYMBOL(rockchip_dmcfreq_vop_bandwidth_request); 168 168 169 +unsigned int rockchip_dmcfreq_get_stall_time_ns(void)170 +{171 + if (!common_info)172 + return 0;173 +174 + return common_info->stall_time_ns;175 +}176 +EXPORT_SYMBOL(rockchip_dmcfreq_get_stall_time_ns);177 +169 178 MODULE_AUTHOR("Finley Xiao <finley.xiao@rock-chips.com>"); 170 179 MODULE_DESCRIPTION("rockchip dmcfreq driver with devfreq framework"); 171 180 MODULE_LICENSE("GPL v2");