Commit 28b5c129 authored by Minas Harutyunyan's avatar Minas Harutyunyan Committed by Felipe Balbi

usb: dwc2: Set lpm mode parameters depend on HW configuration

If core not supported lpm, i.e. BCM2835 then confusing warnings seen
in log.

To avoid these warnings, added function dwc2_set_param_lpm() to set
lpm and other lpm related parameters based on lpm support by core.
Signed-off-by: default avatarMinas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 5799aecd
......@@ -285,6 +285,23 @@ static void dwc2_set_param_power_down(struct dwc2_hsotg *hsotg)
hsotg->params.power_down = val;
}
static void dwc2_set_param_lpm(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
p->lpm = hsotg->hw_params.lpm_mode;
if (p->lpm) {
p->lpm_clock_gating = true;
p->besl = true;
p->hird_threshold_en = true;
p->hird_threshold = 4;
} else {
p->lpm_clock_gating = false;
p->besl = false;
p->hird_threshold_en = false;
}
}
/**
* dwc2_set_default_params() - Set all core parameters to their
* auto-detected default values.
......@@ -303,6 +320,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
dwc2_set_param_speed(hsotg);
dwc2_set_param_phy_utmi_width(hsotg);
dwc2_set_param_power_down(hsotg);
dwc2_set_param_lpm(hsotg);
p->phy_ulpi_ddr = false;
p->phy_ulpi_ext_vbus = false;
......@@ -315,11 +333,6 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
p->reload_ctl = (hw->snpsid >= DWC2_CORE_REV_2_92a);
p->uframe_sched = true;
p->external_id_pin_ctl = false;
p->lpm = true;
p->lpm_clock_gating = true;
p->besl = true;
p->hird_threshold_en = true;
p->hird_threshold = 4;
p->ipg_isoc_en = false;
p->service_interval = false;
p->max_packet_count = hw->max_packet_count;
......
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