diff options
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/debugfs.c | 1 | ||||
| -rw-r--r-- | drivers/usb/dwc2/drd.c | 9 | ||||
| -rw-r--r-- | drivers/usb/dwc2/params.c | 2 | ||||
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 26 |
4 files changed, 26 insertions, 12 deletions
diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c index 7c82ab590401..3116ac72747f 100644 --- a/drivers/usb/dwc2/debugfs.c +++ b/drivers/usb/dwc2/debugfs.c @@ -702,6 +702,7 @@ static int params_show(struct seq_file *seq, void *v) print_param(seq, p, uframe_sched); print_param(seq, p, external_id_pin_ctl); print_param(seq, p, power_down); + print_param(seq, p, no_clock_gating); print_param(seq, p, lpm); print_param(seq, p, lpm_clock_gating); print_param(seq, p, besl); diff --git a/drivers/usb/dwc2/drd.c b/drivers/usb/dwc2/drd.c index a8605b02115b..1ad8fa3f862a 100644 --- a/drivers/usb/dwc2/drd.c +++ b/drivers/usb/dwc2/drd.c @@ -127,6 +127,15 @@ static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) role = USB_ROLE_DEVICE; } + if ((IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || + IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)) && + dwc2_is_device_mode(hsotg) && + hsotg->lx_state == DWC2_L2 && + hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE && + hsotg->bus_suspended && + !hsotg->params.no_clock_gating) + dwc2_gadget_exit_clock_gating(hsotg, 0); + if (role == USB_ROLE_HOST) { already = dwc2_ovr_avalid(hsotg, true); } else if (role == USB_ROLE_DEVICE) { diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index a937eadbc9b3..68226defdc60 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -23,6 +23,7 @@ static void dwc2_set_bcm_params(struct dwc2_hsotg *hsotg) p->max_transfer_size = 65535; p->max_packet_count = 511; p->ahbcfg = 0x10; + p->no_clock_gating = true; } static void dwc2_set_his_params(struct dwc2_hsotg *hsotg) @@ -352,6 +353,7 @@ const struct of_device_id dwc2_of_match_table[] = { MODULE_DEVICE_TABLE(of, dwc2_of_match_table); const struct acpi_device_id dwc2_acpi_match[] = { + /* This ID refers to the same USB IP as of_device_id brcm,bcm2835-usb */ { "BCM2848", (kernel_ulong_t)dwc2_set_bcm_params }, { }, }; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 7b84416dfc2b..c1b7209b9483 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -469,18 +469,6 @@ static int dwc2_driver_probe(struct platform_device *dev) spin_lock_init(&hsotg->lock); - hsotg->irq = platform_get_irq(dev, 0); - if (hsotg->irq < 0) - return hsotg->irq; - - dev_dbg(hsotg->dev, "registering common handler for irq%d\n", - hsotg->irq); - retval = devm_request_irq(hsotg->dev, hsotg->irq, - dwc2_handle_common_intr, IRQF_SHARED, - dev_name(hsotg->dev), hsotg); - if (retval) - return retval; - hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus"); if (IS_ERR(hsotg->vbus_supply)) { retval = PTR_ERR(hsotg->vbus_supply); @@ -524,6 +512,20 @@ static int dwc2_driver_probe(struct platform_device *dev) if (retval) goto error; + hsotg->irq = platform_get_irq(dev, 0); + if (hsotg->irq < 0) { + retval = hsotg->irq; + goto error; + } + + dev_dbg(hsotg->dev, "registering common handler for irq%d\n", + hsotg->irq); + retval = devm_request_irq(hsotg->dev, hsotg->irq, + dwc2_handle_common_intr, IRQF_SHARED, + dev_name(hsotg->dev), hsotg); + if (retval) + goto error; + /* * For OTG cores, set the force mode bits to reflect the value * of dr_mode. Force mode bits should not be touched at any |