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path: root/drivers/usb/cdns3
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-rw-r--r--drivers/usb/cdns3/cdns3-imx.c2
-rw-r--r--drivers/usb/cdns3/cdns3-pci-wrap.c5
-rw-r--r--drivers/usb/cdns3/cdns3-plat.c2
-rw-r--r--drivers/usb/cdns3/cdns3-starfive.c2
-rw-r--r--drivers/usb/cdns3/cdns3-ti.c17
-rw-r--r--drivers/usb/cdns3/cdns3-trace.h26
-rw-r--r--drivers/usb/cdns3/cdnsp-gadget.c13
-rw-r--r--drivers/usb/cdns3/cdnsp-gadget.h3
-rw-r--r--drivers/usb/cdns3/cdnsp-pci.c27
-rw-r--r--drivers/usb/cdns3/cdnsp-ring.c36
-rw-r--r--drivers/usb/cdns3/cdnsp-trace.h10
-rw-r--r--drivers/usb/cdns3/core.c4
-rw-r--r--drivers/usb/cdns3/core.h1
-rw-r--r--drivers/usb/cdns3/drd.c10
-rw-r--r--drivers/usb/cdns3/drd.h3
-rw-r--r--drivers/usb/cdns3/host.c4
16 files changed, 108 insertions, 57 deletions
diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c
index 281de47e2a3b..a2f041e1707c 100644
--- a/drivers/usb/cdns3/cdns3-imx.c
+++ b/drivers/usb/cdns3/cdns3-imx.c
@@ -422,7 +422,7 @@ MODULE_DEVICE_TABLE(of, cdns_imx_of_match);
static struct platform_driver cdns_imx_driver = {
.probe = cdns_imx_probe,
- .remove_new = cdns_imx_remove,
+ .remove = cdns_imx_remove,
.driver = {
.name = "cdns3-imx",
.of_match_table = cdns_imx_of_match,
diff --git a/drivers/usb/cdns3/cdns3-pci-wrap.c b/drivers/usb/cdns3/cdns3-pci-wrap.c
index 1f6320d98a76..3b3b3dc75f35 100644
--- a/drivers/usb/cdns3/cdns3-pci-wrap.c
+++ b/drivers/usb/cdns3/cdns3-pci-wrap.c
@@ -37,9 +37,6 @@ struct cdns3_wrap {
#define PCI_DRIVER_NAME "cdns3-pci-usbss"
#define PLAT_DRIVER_NAME "cdns-usb3"
-#define CDNS_VENDOR_ID 0x17cd
-#define CDNS_DEVICE_ID 0x0100
-
static struct pci_dev *cdns3_get_second_fun(struct pci_dev *pdev)
{
struct pci_dev *func;
@@ -190,7 +187,7 @@ static void cdns3_pci_remove(struct pci_dev *pdev)
}
static const struct pci_device_id cdns3_pci_ids[] = {
- { PCI_DEVICE(CDNS_VENDOR_ID, CDNS_DEVICE_ID), },
+ { PCI_VDEVICE(CDNS, PCI_DEVICE_ID_CDNS_USBSS) },
{ 0, }
};
diff --git a/drivers/usb/cdns3/cdns3-plat.c b/drivers/usb/cdns3/cdns3-plat.c
index 3ef8e3c872a3..59ec505e198a 100644
--- a/drivers/usb/cdns3/cdns3-plat.c
+++ b/drivers/usb/cdns3/cdns3-plat.c
@@ -327,7 +327,7 @@ MODULE_DEVICE_TABLE(of, of_cdns3_match);
static struct platform_driver cdns3_driver = {
.probe = cdns3_plat_probe,
- .remove_new = cdns3_plat_remove,
+ .remove = cdns3_plat_remove,
.driver = {
.name = "cdns-usb3",
.of_match_table = of_match_ptr(of_cdns3_match),
diff --git a/drivers/usb/cdns3/cdns3-starfive.c b/drivers/usb/cdns3/cdns3-starfive.c
index c04d196abd87..2ff7f2b48cc2 100644
--- a/drivers/usb/cdns3/cdns3-starfive.c
+++ b/drivers/usb/cdns3/cdns3-starfive.c
@@ -230,7 +230,7 @@ MODULE_DEVICE_TABLE(of, cdns_starfive_of_match);
static struct platform_driver cdns_starfive_driver = {
.probe = cdns_starfive_probe,
- .remove_new = cdns_starfive_remove,
+ .remove = cdns_starfive_remove,
.driver = {
.name = "cdns3-starfive",
.of_match_table = cdns_starfive_of_match,
diff --git a/drivers/usb/cdns3/cdns3-ti.c b/drivers/usb/cdns3/cdns3-ti.c
index 5945c4b1e11f..040bb91e9c01 100644
--- a/drivers/usb/cdns3/cdns3-ti.c
+++ b/drivers/usb/cdns3/cdns3-ti.c
@@ -16,6 +16,7 @@
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <linux/property.h>
+#include "core.h"
/* USB Wrapper register offsets */
#define USBSS_PID 0x0
@@ -85,6 +86,18 @@ static inline void cdns_ti_writel(struct cdns_ti *data, u32 offset, u32 value)
writel(value, data->usbss + offset);
}
+static struct cdns3_platform_data cdns_ti_pdata = {
+ .quirks = CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE, /* Errata i2409 */
+};
+
+static const struct of_dev_auxdata cdns_ti_auxdata[] = {
+ {
+ .compatible = "cdns,usb3",
+ .platform_data = &cdns_ti_pdata,
+ },
+ {},
+};
+
static int cdns_ti_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -176,7 +189,7 @@ static int cdns_ti_probe(struct platform_device *pdev)
reg |= USBSS_W1_PWRUP_RST;
cdns_ti_writel(data, USBSS_W1, reg);
- error = of_platform_populate(node, NULL, NULL, dev);
+ error = of_platform_populate(node, NULL, cdns_ti_auxdata, dev);
if (error) {
dev_err(dev, "failed to create children: %d\n", error);
goto err;
@@ -220,7 +233,7 @@ MODULE_DEVICE_TABLE(of, cdns_ti_of_match);
static struct platform_driver cdns_ti_driver = {
.probe = cdns_ti_probe,
- .remove_new = cdns_ti_remove,
+ .remove = cdns_ti_remove,
.driver = {
.name = "cdns3-ti",
.of_match_table = cdns_ti_of_match,
diff --git a/drivers/usb/cdns3/cdns3-trace.h b/drivers/usb/cdns3/cdns3-trace.h
index 40db89e3333c..c4e542f1b9b7 100644
--- a/drivers/usb/cdns3/cdns3-trace.h
+++ b/drivers/usb/cdns3/cdns3-trace.h
@@ -33,7 +33,7 @@ TRACE_EVENT(cdns3_halt,
__field(u8, flush)
),
TP_fast_assign(
- __assign_str(name, ep_priv->name);
+ __assign_str(name);
__entry->halt = halt;
__entry->flush = flush;
),
@@ -49,8 +49,8 @@ TRACE_EVENT(cdns3_wa1,
__string(msg, msg)
),
TP_fast_assign(
- __assign_str(ep_name, ep_priv->name);
- __assign_str(msg, msg);
+ __assign_str(ep_name);
+ __assign_str(msg);
),
TP_printk("WA1: %s %s", __get_str(ep_name), __get_str(msg))
);
@@ -63,8 +63,8 @@ TRACE_EVENT(cdns3_wa2,
__string(msg, msg)
),
TP_fast_assign(
- __assign_str(ep_name, ep_priv->name);
- __assign_str(msg, msg);
+ __assign_str(ep_name);
+ __assign_str(msg);
),
TP_printk("WA2: %s %s", __get_str(ep_name), __get_str(msg))
);
@@ -77,7 +77,7 @@ DECLARE_EVENT_CLASS(cdns3_log_doorbell,
__field(u32, ep_trbaddr)
),
TP_fast_assign(
- __assign_str(name, ep_name);
+ __assign_str(name);
__entry->ep_trbaddr = ep_trbaddr;
),
TP_printk("%s, ep_trbaddr %08x", __get_str(name),
@@ -125,7 +125,7 @@ DECLARE_EVENT_CLASS(cdns3_log_epx_irq,
__field(u32, use_streams)
),
TP_fast_assign(
- __assign_str(ep_name, priv_ep->name);
+ __assign_str(ep_name);
__entry->ep_sts = readl(&priv_dev->regs->ep_sts);
__entry->ep_traddr = readl(&priv_dev->regs->ep_traddr);
__entry->ep_last_sid = priv_ep->last_stream_id;
@@ -214,7 +214,7 @@ DECLARE_EVENT_CLASS(cdns3_log_request,
__field(unsigned int, stream_id)
),
TP_fast_assign(
- __assign_str(name, req->priv_ep->name);
+ __assign_str(name);
__entry->req = req;
__entry->buf = req->request.buf;
__entry->actual = req->request.actual;
@@ -294,7 +294,7 @@ DECLARE_EVENT_CLASS(cdns3_stream_split_transfer_len,
__field(unsigned int, stream_id)
),
TP_fast_assign(
- __assign_str(name, req->priv_ep->name);
+ __assign_str(name);
__entry->req = req;
__entry->actual = req->request.length;
__entry->length = req->request.actual;
@@ -329,7 +329,7 @@ DECLARE_EVENT_CLASS(cdns3_log_aligned_request,
__field(u32, aligned_buf_size)
),
TP_fast_assign(
- __assign_str(name, priv_req->priv_ep->name);
+ __assign_str(name);
__entry->req = &priv_req->request;
__entry->buf = priv_req->request.buf;
__entry->dma = priv_req->request.dma;
@@ -364,7 +364,7 @@ DECLARE_EVENT_CLASS(cdns3_log_map_request,
__field(dma_addr_t, dma)
),
TP_fast_assign(
- __assign_str(name, priv_req->priv_ep->name);
+ __assign_str(name);
__entry->req = &priv_req->request;
__entry->buf = priv_req->request.buf;
__entry->dma = priv_req->request.dma;
@@ -395,7 +395,7 @@ DECLARE_EVENT_CLASS(cdns3_log_trb,
__field(unsigned int, last_stream_id)
),
TP_fast_assign(
- __assign_str(name, priv_ep->name);
+ __assign_str(name);
__entry->trb = trb;
__entry->buffer = le32_to_cpu(trb->buffer);
__entry->length = le32_to_cpu(trb->length);
@@ -467,7 +467,7 @@ DECLARE_EVENT_CLASS(cdns3_log_ep,
__field(u8, dequeue)
),
TP_fast_assign(
- __assign_str(name, priv_ep->name);
+ __assign_str(name);
__entry->maxpacket = priv_ep->endpoint.maxpacket;
__entry->maxpacket_limit = priv_ep->endpoint.maxpacket_limit;
__entry->max_streams = priv_ep->endpoint.max_streams;
diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c
index 4a3f0f958256..97edf767ecee 100644
--- a/drivers/usb/cdns3/cdnsp-gadget.c
+++ b/drivers/usb/cdns3/cdnsp-gadget.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/log2.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/dmi.h>
@@ -1671,12 +1672,12 @@ static int cdnsp_gadget_init_endpoints(struct cdnsp_device *pdev)
"CTRL: %s, INT: %s, BULK: %s, ISOC %s, "
"SupDir IN: %s, OUT: %s\n",
pep->name, 1024,
- (pep->endpoint.caps.type_control) ? "yes" : "no",
- (pep->endpoint.caps.type_int) ? "yes" : "no",
- (pep->endpoint.caps.type_bulk) ? "yes" : "no",
- (pep->endpoint.caps.type_iso) ? "yes" : "no",
- (pep->endpoint.caps.dir_in) ? "yes" : "no",
- (pep->endpoint.caps.dir_out) ? "yes" : "no");
+ str_yes_no(pep->endpoint.caps.type_control),
+ str_yes_no(pep->endpoint.caps.type_int),
+ str_yes_no(pep->endpoint.caps.type_bulk),
+ str_yes_no(pep->endpoint.caps.type_iso),
+ str_yes_no(pep->endpoint.caps.dir_in),
+ str_yes_no(pep->endpoint.caps.dir_out));
INIT_LIST_HEAD(&pep->pending_list);
}
diff --git a/drivers/usb/cdns3/cdnsp-gadget.h b/drivers/usb/cdns3/cdnsp-gadget.h
index dbee6f085277..84887dfea763 100644
--- a/drivers/usb/cdns3/cdnsp-gadget.h
+++ b/drivers/usb/cdns3/cdnsp-gadget.h
@@ -811,6 +811,7 @@ struct cdnsp_stream_info {
* generate Missed Service Error Event.
* Set skip flag when receive a Missed Service Error Event and
* process the missed tds on the endpoint ring.
+ * @wa1_nop_trb: hold pointer to NOP trb.
*/
struct cdnsp_ep {
struct usb_ep endpoint;
@@ -838,6 +839,8 @@ struct cdnsp_ep {
#define EP_UNCONFIGURED BIT(7)
bool skip;
+ union cdnsp_trb *wa1_nop_trb;
+
};
/**
diff --git a/drivers/usb/cdns3/cdnsp-pci.c b/drivers/usb/cdns3/cdnsp-pci.c
index 0725668ffea4..a51144504ff3 100644
--- a/drivers/usb/cdns3/cdnsp-pci.c
+++ b/drivers/usb/cdns3/cdnsp-pci.c
@@ -28,11 +28,6 @@
#define PCI_DRIVER_NAME "cdns-pci-usbssp"
#define PLAT_DRIVER_NAME "cdns-usbssp"
-#define CDNS_VENDOR_ID 0x17cd
-#define CDNS_DEVICE_ID 0x0200
-#define CDNS_DRD_ID 0x0100
-#define CDNS_DRD_IF (PCI_CLASS_SERIAL_USB << 8 | 0x80)
-
static struct pci_dev *cdnsp_get_second_fun(struct pci_dev *pdev)
{
/*
@@ -40,10 +35,10 @@ static struct pci_dev *cdnsp_get_second_fun(struct pci_dev *pdev)
* Platform has two function. The fist keeps resources for
* Host/Device while the secon keeps resources for DRD/OTG.
*/
- if (pdev->device == CDNS_DEVICE_ID)
- return pci_get_device(pdev->vendor, CDNS_DRD_ID, NULL);
- else if (pdev->device == CDNS_DRD_ID)
- return pci_get_device(pdev->vendor, CDNS_DEVICE_ID, NULL);
+ if (pdev->device == PCI_DEVICE_ID_CDNS_USBSSP)
+ return pci_get_device(pdev->vendor, PCI_DEVICE_ID_CDNS_USBSS, NULL);
+ if (pdev->device == PCI_DEVICE_ID_CDNS_USBSS)
+ return pci_get_device(pdev->vendor, PCI_DEVICE_ID_CDNS_USBSSP, NULL);
return NULL;
}
@@ -220,18 +215,18 @@ static const struct dev_pm_ops cdnsp_pci_pm_ops = {
};
static const struct pci_device_id cdnsp_pci_ids[] = {
- { PCI_VENDOR_ID_CDNS, CDNS_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_SERIAL_USB_DEVICE, PCI_ANY_ID },
- { PCI_VENDOR_ID_CDNS, CDNS_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,
- CDNS_DRD_IF, PCI_ANY_ID },
- { PCI_VENDOR_ID_CDNS, CDNS_DRD_ID, PCI_ANY_ID, PCI_ANY_ID,
- CDNS_DRD_IF, PCI_ANY_ID },
+ { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSSP),
+ .class = PCI_CLASS_SERIAL_USB_DEVICE },
+ { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSSP),
+ .class = PCI_CLASS_SERIAL_USB_CDNS },
+ { PCI_DEVICE(PCI_VENDOR_ID_CDNS, PCI_DEVICE_ID_CDNS_USBSS),
+ .class = PCI_CLASS_SERIAL_USB_CDNS },
{ 0, }
};
static struct pci_driver cdnsp_pci_driver = {
.name = "cdnsp-pci",
- .id_table = &cdnsp_pci_ids[0],
+ .id_table = cdnsp_pci_ids,
.probe = cdnsp_pci_probe,
.remove = cdnsp_pci_remove,
.driver = {
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 02f297f5637d..46852529499d 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -402,7 +402,7 @@ static u64 cdnsp_get_hw_deq(struct cdnsp_device *pdev,
struct cdnsp_stream_ctx *st_ctx;
struct cdnsp_ep *pep;
- pep = &pdev->eps[stream_id];
+ pep = &pdev->eps[ep_index];
if (pep->ep_state & EP_HAS_STREAMS) {
st_ctx = &pep->stream_info.stream_ctx_array[stream_id];
@@ -718,7 +718,8 @@ int cdnsp_remove_request(struct cdnsp_device *pdev,
seg = cdnsp_trb_in_td(pdev, cur_td->start_seg, cur_td->first_trb,
cur_td->last_trb, hw_deq);
- if (seg && (pep->ep_state & EP_ENABLED))
+ if (seg && (pep->ep_state & EP_ENABLED) &&
+ !(pep->ep_state & EP_DIS_IN_RROGRESS))
cdnsp_find_new_dequeue_state(pdev, pep, preq->request.stream_id,
cur_td, &deq_state);
else
@@ -736,7 +737,8 @@ int cdnsp_remove_request(struct cdnsp_device *pdev,
* During disconnecting all endpoint will be disabled so we don't
* have to worry about updating dequeue pointer.
*/
- if (pdev->cdnsp_state & CDNSP_STATE_DISCONNECT_PENDING) {
+ if (pdev->cdnsp_state & CDNSP_STATE_DISCONNECT_PENDING ||
+ pep->ep_state & EP_DIS_IN_RROGRESS) {
status = -ESHUTDOWN;
ret = cdnsp_cmd_set_deq(pdev, pep, &deq_state);
}
@@ -1905,6 +1907,23 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
return ret;
/*
+ * workaround 1: STOP EP command on LINK TRB with TC bit set to 1
+ * causes that internal cycle bit can have incorrect state after
+ * command complete. In consequence empty transfer ring can be
+ * incorrectly detected when EP is resumed.
+ * NOP TRB before LINK TRB avoid such scenario. STOP EP command is
+ * then on NOP TRB and internal cycle bit is not changed and have
+ * correct value.
+ */
+ if (pep->wa1_nop_trb) {
+ field = le32_to_cpu(pep->wa1_nop_trb->trans_event.flags);
+ field ^= TRB_CYCLE;
+
+ pep->wa1_nop_trb->trans_event.flags = cpu_to_le32(field);
+ pep->wa1_nop_trb = NULL;
+ }
+
+ /*
* Don't give the first TRB to the hardware (by toggling the cycle bit)
* until we've finished creating all the other TRBs. The ring's cycle
* state may change as we enqueue the other TRBs, so save it too.
@@ -1999,6 +2018,17 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
send_addr = addr;
}
+ if (cdnsp_trb_is_link(ring->enqueue + 1)) {
+ field = TRB_TYPE(TRB_TR_NOOP) | TRB_IOC;
+ if (!ring->cycle_state)
+ field |= TRB_CYCLE;
+
+ pep->wa1_nop_trb = ring->enqueue;
+
+ cdnsp_queue_trb(pdev, ring, 0, 0x0, 0x0,
+ TRB_INTR_TARGET(0), field);
+ }
+
cdnsp_check_trb_math(preq, enqd_len);
ret = cdnsp_giveback_first_trb(pdev, pep, preq->request.stream_id,
start_cycle, start_trb);
diff --git a/drivers/usb/cdns3/cdnsp-trace.h b/drivers/usb/cdns3/cdnsp-trace.h
index 4b51011eb00b..f2bcf77a5d0a 100644
--- a/drivers/usb/cdns3/cdnsp-trace.h
+++ b/drivers/usb/cdns3/cdnsp-trace.h
@@ -48,7 +48,7 @@ DECLARE_EVENT_CLASS(cdnsp_log_ep,
__field(u8, drbls_count)
),
TP_fast_assign(
- __assign_str(name, pep->name);
+ __assign_str(name);
__entry->state = pep->ep_state;
__entry->stream_id = stream_id;
__entry->enabled = pep->ep_state & EP_HAS_STREAMS;
@@ -138,7 +138,7 @@ DECLARE_EVENT_CLASS(cdnsp_log_simple,
__string(text, msg)
),
TP_fast_assign(
- __assign_str(text, msg);
+ __assign_str(text);
),
TP_printk("%s", __get_str(text))
);
@@ -303,7 +303,7 @@ DECLARE_EVENT_CLASS(cdnsp_log_bounce,
__field(unsigned int, unalign)
),
TP_fast_assign(
- __assign_str(name, preq->pep->name);
+ __assign_str(name);
__entry->new_buf_len = new_buf_len;
__entry->offset = offset;
__entry->dma = dma;
@@ -470,7 +470,7 @@ DECLARE_EVENT_CLASS(cdnsp_log_request,
),
TP_fast_assign(
- __assign_str(name, req->pep->name);
+ __assign_str(name);
__entry->request = &req->request;
__entry->preq = req;
__entry->buf = req->request.buf;
@@ -674,7 +674,7 @@ DECLARE_EVENT_CLASS(cdnsp_log_td_info,
__field(dma_addr_t, trb_dma)
),
TP_fast_assign(
- __assign_str(name, preq->pep->name);
+ __assign_str(name);
__entry->request = &preq->request;
__entry->preq = preq;
__entry->first_trb = preq->td.first_trb;
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 465e9267b49c..98980a23e1c2 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -529,9 +529,7 @@ int cdns_resume(struct cdns *cdns)
int ret = 0;
if (cdns_power_is_lost(cdns)) {
- if (cdns->role_sw) {
- cdns->role = cdns_role_get(cdns->role_sw);
- } else {
+ if (!cdns->role_sw) {
real_role = cdns_hw_role_state_machine(cdns);
if (real_role != cdns->role) {
ret = cdns_hw_role_switch(cdns);
diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
index 81a9c9d6be08..57d47348dc19 100644
--- a/drivers/usb/cdns3/core.h
+++ b/drivers/usb/cdns3/core.h
@@ -44,6 +44,7 @@ struct cdns3_platform_data {
bool suspend, bool wakeup);
unsigned long quirks;
#define CDNS3_DEFAULT_PM_RUNTIME_ALLOW BIT(0)
+#define CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE BIT(1)
};
/**
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 8b936a2e93a0..84fb38a5723a 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -389,7 +389,7 @@ static irqreturn_t cdns_drd_irq(int irq, void *data)
int cdns_drd_init(struct cdns *cdns)
{
void __iomem *regs;
- u32 state;
+ u32 state, reg;
int ret;
regs = devm_ioremap_resource(cdns->dev, &cdns->otg_res);
@@ -433,6 +433,14 @@ int cdns_drd_init(struct cdns *cdns)
cdns->otg_irq_regs = (struct cdns_otg_irq_regs __iomem *)
&cdns->otg_v1_regs->ien;
writel(1, &cdns->otg_v1_regs->simulate);
+
+ if (cdns->pdata &&
+ (cdns->pdata->quirks & CDNS3_DRD_SUSPEND_RESIDENCY_ENABLE)) {
+ reg = readl(&cdns->otg_v1_regs->susp_ctrl);
+ reg |= SUSP_CTRL_SUSPEND_RESIDENCY_ENABLE;
+ writel(reg, &cdns->otg_v1_regs->susp_ctrl);
+ }
+
cdns->version = CDNS3_CONTROLLER_V1;
} else {
dev_err(cdns->dev, "not supported DID=0x%08x\n", state);
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
index d72370c321d3..1e2aee14d629 100644
--- a/drivers/usb/cdns3/drd.h
+++ b/drivers/usb/cdns3/drd.h
@@ -193,6 +193,9 @@ struct cdns_otg_irq_regs {
/* OTGREFCLK - bitmasks */
#define OTGREFCLK_STB_CLK_SWITCH_EN BIT(31)
+/* SUPS_CTRL - bitmasks */
+#define SUSP_CTRL_SUSPEND_RESIDENCY_ENABLE BIT(17)
+
/* OVERRIDE - bitmasks */
#define OVERRIDE_IDPULLUP BIT(0)
/* Only for CDNS3_CONTROLLER_V0 version */
diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c
index ceca4d839dfd..7ba760ee62e3 100644
--- a/drivers/usb/cdns3/host.c
+++ b/drivers/usb/cdns3/host.c
@@ -62,7 +62,9 @@ static const struct xhci_plat_priv xhci_plat_cdns3_xhci = {
.resume_quirk = xhci_cdns3_resume_quirk,
};
-static const struct xhci_plat_priv xhci_plat_cdnsp_xhci;
+static const struct xhci_plat_priv xhci_plat_cdnsp_xhci = {
+ .quirks = XHCI_CDNS_SCTX_QUIRK,
+};
static int __cdns_host_init(struct cdns *cdns)
{