From: John Youn <johnyoun@xxxxxxxxxxxx>
Enable the power down option based on the core capability.
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
Signed-off-by: Vardan Mikayelyan <mvardan@xxxxxxxxxxxx>
Signed-off-by: Artur Petrosyan <arturp@xxxxxxxxxxxx>
Signed-off-by: Grigor Tovmasyan <tovmasya@xxxxxxxxxxxx>
---
drivers/usb/dwc2/params.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 8c4ede8a4eea..c21a4c82614c 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -252,6 +252,20 @@ static void dwc2_set_param_tx_fifo_sizes(struct dwc2_hsotg *hsotg)
p->g_tx_fifo_size[i] = depth_average;
}
+static void dwc2_set_param_power_down(struct dwc2_hsotg *hsotg)
+{
+ int val;
+
+ if (hsotg->hw_params.hibernation)
+ val = 2;
+ else if (hsotg->hw_params.power_optimized)
+ val = 1;
+ else
+ val = 0;
+
+ hsotg->params.power_down = val;
+}
+
/**
* dwc2_set_default_params() - Set all core parameters to their
* auto-detected default values.
@@ -266,6 +280,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
dwc2_set_param_phy_type(hsotg);
dwc2_set_param_speed(hsotg);
dwc2_set_param_phy_utmi_width(hsotg);
+ dwc2_set_param_power_down(hsotg);
p->phy_ulpi_ddr = false;
p->phy_ulpi_ext_vbus = false;
@@ -278,7 +293,6 @@ 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->power_down = false;
p->lpm = true;
p->lpm_clock_gating = true;
p->besl = true;
--
2.11.0
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