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f19e471f32
Refreshed all patches. Altered patches: - 950-0064-mfd-Add-Raspberry-Pi-Sense-HAT-core-driver.patch - 0005-mtd-physmap_of-Move-custom-initialization.patch Remove upstreamed: - 0001-pinctrl-gemini-Mask-and-set-properly.patch - 0002-pinctrl-gemini-Fix-up-TVC-clock-group.patch Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
From 28b5c129ca6e585ec95c160ec4297bc6c6360b6f Mon Sep 17 00:00:00 2001
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From: Minas Harutyunyan <minas.harutyunyan@synopsys.com>
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Date: Mon, 4 Mar 2019 17:08:07 +0400
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Subject: usb: dwc2: Set lpm mode parameters depend on HW configuration
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If core not supported lpm, i.e. BCM2835 then confusing warnings seen
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in log.
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To avoid these warnings, added function dwc2_set_param_lpm() to set
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lpm and other lpm related parameters based on lpm support by core.
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Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/dwc2/params.c | 23 ++++++++++++++++++-----
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1 file changed, 18 insertions(+), 5 deletions(-)
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--- a/drivers/usb/dwc2/params.c
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+++ b/drivers/usb/dwc2/params.c
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@@ -273,6 +273,23 @@ static void dwc2_set_param_power_down(st
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hsotg->params.power_down = val;
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}
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+static void dwc2_set_param_lpm(struct dwc2_hsotg *hsotg)
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+{
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+ struct dwc2_core_params *p = &hsotg->params;
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+
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+ p->lpm = hsotg->hw_params.lpm_mode;
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+ if (p->lpm) {
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+ p->lpm_clock_gating = true;
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+ p->besl = true;
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+ p->hird_threshold_en = true;
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+ p->hird_threshold = 4;
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+ } else {
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+ p->lpm_clock_gating = false;
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+ p->besl = false;
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+ p->hird_threshold_en = false;
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+ }
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+}
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+
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/**
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* dwc2_set_default_params() - Set all core parameters to their
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* auto-detected default values.
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@@ -291,6 +308,7 @@ static void dwc2_set_default_params(stru
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dwc2_set_param_speed(hsotg);
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dwc2_set_param_phy_utmi_width(hsotg);
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dwc2_set_param_power_down(hsotg);
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+ dwc2_set_param_lpm(hsotg);
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p->phy_ulpi_ddr = false;
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p->phy_ulpi_ext_vbus = false;
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@@ -303,11 +321,6 @@ static void dwc2_set_default_params(stru
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p->reload_ctl = (hw->snpsid >= DWC2_CORE_REV_2_92a);
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p->uframe_sched = true;
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p->external_id_pin_ctl = false;
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- p->lpm = true;
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- p->lpm_clock_gating = true;
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- p->besl = true;
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- p->hird_threshold_en = true;
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- p->hird_threshold = 4;
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p->ipg_isoc_en = false;
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p->max_packet_count = hw->max_packet_count;
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p->max_transfer_size = hw->max_transfer_size;
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