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path: root/drivers/usb/dwc3
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Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/core.c2
-rw-r--r--drivers/usb/dwc3/drd.c2
-rw-r--r--drivers/usb/dwc3/dwc3-qcom.c69
-rw-r--r--drivers/usb/dwc3/dwc3-rtk.c8
4 files changed, 57 insertions, 24 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 0328c86ef806..b101dbf8c5dc 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -2034,6 +2034,8 @@ static int dwc3_probe(struct platform_device *pdev)
pm_runtime_put(dev);
+ dma_set_max_seg_size(dev, UINT_MAX);
+
return 0;
err_exit_debugfs:
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 039bf241769a..57ddd2e43022 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -505,6 +505,7 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc)
dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;
mode = DWC3_GCTL_PRTCAP_DEVICE;
}
+ dwc3_set_mode(dwc, mode);
dwc3_role_switch.fwnode = dev_fwnode(dwc->dev);
dwc3_role_switch.set = dwc3_usb_role_switch_set;
@@ -526,7 +527,6 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc)
}
}
- dwc3_set_mode(dwc, mode);
return 0;
}
#else
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 3de43df6bbe8..fdf6d5d3c2ad 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -546,10 +546,9 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
pdata ? pdata->hs_phy_irq_index : -1);
if (irq > 0) {
/* Keep wakeup interrupts disabled until suspend */
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
"qcom_dwc3 HS", qcom);
if (ret) {
dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);
@@ -561,10 +560,9 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq = dwc3_qcom_get_irq(pdev, "dp_hs_phy_irq",
pdata ? pdata->dp_hs_phy_irq_index : -1);
if (irq > 0) {
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
"qcom_dwc3 DP_HS", qcom);
if (ret) {
dev_err(qcom->dev, "dp_hs_phy_irq failed: %d\n", ret);
@@ -576,10 +574,9 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq = dwc3_qcom_get_irq(pdev, "dm_hs_phy_irq",
pdata ? pdata->dm_hs_phy_irq_index : -1);
if (irq > 0) {
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
"qcom_dwc3 DM_HS", qcom);
if (ret) {
dev_err(qcom->dev, "dm_hs_phy_irq failed: %d\n", ret);
@@ -591,10 +588,9 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
irq = dwc3_qcom_get_irq(pdev, "ss_phy_irq",
pdata ? pdata->ss_phy_irq_index : -1);
if (irq > 0) {
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
qcom_dwc3_resume_irq,
- IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
"qcom_dwc3 SS", qcom);
if (ret) {
dev_err(qcom->dev, "ss_phy_irq failed: %d\n", ret);
@@ -758,6 +754,7 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
if (!qcom->dwc3) {
ret = -ENODEV;
dev_err(dev, "failed to get dwc3 platform device\n");
+ of_platform_depopulate(dev);
}
node_put:
@@ -766,9 +763,9 @@ node_put:
return ret;
}
-static struct platform_device *
-dwc3_qcom_create_urs_usb_platdev(struct device *dev)
+static struct platform_device *dwc3_qcom_create_urs_usb_platdev(struct device *dev)
{
+ struct platform_device *urs_usb = NULL;
struct fwnode_handle *fwh;
struct acpi_device *adev;
char name[8];
@@ -788,9 +785,26 @@ dwc3_qcom_create_urs_usb_platdev(struct device *dev)
adev = to_acpi_device_node(fwh);
if (!adev)
- return NULL;
+ goto err_put_handle;
+
+ urs_usb = acpi_create_platform_device(adev, NULL);
+ if (IS_ERR_OR_NULL(urs_usb))
+ goto err_put_handle;
+
+ return urs_usb;
+
+err_put_handle:
+ fwnode_handle_put(fwh);
+
+ return urs_usb;
+}
- return acpi_create_platform_device(adev, NULL);
+static void dwc3_qcom_destroy_urs_usb_platdev(struct platform_device *urs_usb)
+{
+ struct fwnode_handle *fwh = urs_usb->dev.fwnode;
+
+ platform_device_unregister(urs_usb);
+ fwnode_handle_put(fwh);
}
static int dwc3_qcom_probe(struct platform_device *pdev)
@@ -874,13 +888,13 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
qcom->qscratch_base = devm_ioremap_resource(dev, parent_res);
if (IS_ERR(qcom->qscratch_base)) {
ret = PTR_ERR(qcom->qscratch_base);
- goto clk_disable;
+ goto free_urs;
}
ret = dwc3_qcom_setup_irq(pdev);
if (ret) {
dev_err(dev, "failed to setup IRQs, err=%d\n", ret);
- goto clk_disable;
+ goto free_urs;
}
/*
@@ -899,7 +913,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
if (ret) {
dev_err(dev, "failed to register DWC3 Core, err=%d\n", ret);
- goto depopulate;
+ goto free_urs;
}
ret = dwc3_qcom_interconnect_init(qcom);
@@ -931,10 +945,16 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
interconnect_exit:
dwc3_qcom_interconnect_exit(qcom);
depopulate:
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
- platform_device_put(pdev);
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
+ platform_device_del(qcom->dwc3);
+ }
+ platform_device_put(qcom->dwc3);
+free_urs:
+ if (qcom->urs_usb)
+ dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
clk_disable:
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
@@ -953,11 +973,16 @@ static void dwc3_qcom_remove(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int i;
- device_remove_software_node(&qcom->dwc3->dev);
- if (np)
+ if (np) {
of_platform_depopulate(&pdev->dev);
- else
- platform_device_put(pdev);
+ } else {
+ device_remove_software_node(&qcom->dwc3->dev);
+ platform_device_del(qcom->dwc3);
+ }
+ platform_device_put(qcom->dwc3);
+
+ if (qcom->urs_usb)
+ dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb);
for (i = qcom->num_clocks - 1; i >= 0; i--) {
clk_disable_unprepare(qcom->clks[i]);
diff --git a/drivers/usb/dwc3/dwc3-rtk.c b/drivers/usb/dwc3/dwc3-rtk.c
index 590028e8fdcb..3cd6b184551c 100644
--- a/drivers/usb/dwc3/dwc3-rtk.c
+++ b/drivers/usb/dwc3/dwc3-rtk.c
@@ -183,10 +183,13 @@ static enum usb_device_speed __get_dwc3_maximum_speed(struct device_node *np)
ret = of_property_read_string(dwc3_np, "maximum-speed", &maximum_speed);
if (ret < 0)
- return USB_SPEED_UNKNOWN;
+ goto out;
ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed);
+out:
+ of_node_put(dwc3_np);
+
return (ret < 0) ? USB_SPEED_UNKNOWN : ret;
}
@@ -339,6 +342,9 @@ static int dwc3_rtk_probe_dwc3_core(struct dwc3_rtk *rtk)
switch_usb2_role(rtk, rtk->cur_role);
+ platform_device_put(dwc3_pdev);
+ of_node_put(dwc3_node);
+
return 0;
err_pdev_put: