diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/cns3xxx/patches-4.19/210-dwc2_defaults.patch | 2 | ||||
| -rw-r--r-- | target/linux/generic/backport-4.19/200-v5.2-usb-dwc2-Set-lpm-mode-parameters-depend-on-HW-configuration.patch | 63 |
2 files changed, 64 insertions, 1 deletions
diff --git a/target/linux/cns3xxx/patches-4.19/210-dwc2_defaults.patch b/target/linux/cns3xxx/patches-4.19/210-dwc2_defaults.patch index 5a5b17d0a0..fcadd25a2a 100644 --- a/target/linux/cns3xxx/patches-4.19/210-dwc2_defaults.patch +++ b/target/linux/cns3xxx/patches-4.19/210-dwc2_defaults.patch @@ -37,7 +37,7 @@ const struct of_device_id dwc2_of_match_table[] = { { .compatible = "brcm,bcm2835-usb", .data = dwc2_set_bcm_params }, { .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params }, -@@ -806,17 +836,23 @@ int dwc2_get_hwparams(struct dwc2_hsotg +@@ -819,17 +849,23 @@ int dwc2_get_hwparams(struct dwc2_hsotg int dwc2_init_params(struct dwc2_hsotg *hsotg) { diff --git a/target/linux/generic/backport-4.19/200-v5.2-usb-dwc2-Set-lpm-mode-parameters-depend-on-HW-configuration.patch b/target/linux/generic/backport-4.19/200-v5.2-usb-dwc2-Set-lpm-mode-parameters-depend-on-HW-configuration.patch new file mode 100644 index 0000000000..b41bbf5395 --- /dev/null +++ b/target/linux/generic/backport-4.19/200-v5.2-usb-dwc2-Set-lpm-mode-parameters-depend-on-HW-configuration.patch @@ -0,0 +1,63 @@ +From 28b5c129ca6e585ec95c160ec4297bc6c6360b6f Mon Sep 17 00:00:00 2001 +From: Minas Harutyunyan <minas.harutyunyan@synopsys.com> +Date: Mon, 4 Mar 2019 17:08:07 +0400 +Subject: 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: Minas Harutyunyan <hminas@synopsys.com> +Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> +--- + drivers/usb/dwc2/params.c | 23 ++++++++++++++++++----- + 1 file changed, 18 insertions(+), 5 deletions(-) + +--- a/drivers/usb/dwc2/params.c ++++ b/drivers/usb/dwc2/params.c +@@ -272,6 +272,23 @@ static void dwc2_set_param_power_down(st + 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. +@@ -290,6 +307,7 @@ static void dwc2_set_default_params(stru + 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; + +@@ -302,11 +320,6 @@ static void dwc2_set_default_params(stru + 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->max_packet_count = hw->max_packet_count; + p->max_transfer_size = hw->max_transfer_size; |