@@ -89,7 +89,7 @@ struct dwc3_qcom {
*/
int phy_irq[NUM_PHY_IRQ - 1][DWC3_MAX_PORTS];
int hs_phy_irq;
- enum usb_device_speed usb2_speed;
+ enum usb_device_speed usb2_speed[DWC3_MAX_PORTS];
struct extcon_dev *edev;
struct extcon_dev *host_edev;
@@ -335,7 +335,8 @@ static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom)
return dwc->xhci;
}
-static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom)
+static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom,
+ int port_index)
{
struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
struct usb_device *udev;
@@ -348,12 +349,10 @@ static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom)
/*
* It is possible to query the speed of all children of
- * USB2.0 root hub via usb_hub_for_each_child(). DWC3 code
- * currently supports only 1 port per controller. So
- * this is sufficient.
+ * USB2.0 root hub via usb_hub_for_each_child().
*/
#ifdef CONFIG_USB
- udev = usb_hub_find_child(hcd->self.root_hub, 1);
+ udev = usb_hub_find_child(hcd->self.root_hub, port_index + 1);
#else
udev = NULL;
#endif
@@ -386,23 +385,29 @@ static void dwc3_qcom_disable_wakeup_irq(int irq)
static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
{
+ int i;
+
dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
- if (qcom->usb2_speed == USB_SPEED_LOW) {
- dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0]);
- } else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||
- (qcom->usb2_speed == USB_SPEED_FULL)) {
- dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0]);
- } else {
- dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0]);
- dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0]);
- }
+ for (i = 0; i < qcom->num_ports; i++) {
+ if (qcom->usb2_speed[i] == USB_SPEED_LOW) {
+ dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i]);
+ } else if ((qcom->usb2_speed[i] == USB_SPEED_HIGH) ||
+ (qcom->usb2_speed[i] == USB_SPEED_FULL)) {
+ dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i]);
+ } else {
+ dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i]);
+ dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i]);
+ }
- dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][0]);
+ dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][i]);
+ }
}
static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
{
+ int i;
+
dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq, 0);
/*
@@ -413,22 +418,24 @@ static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
* disconnect and remote wakeup. When no device is connected, configure both
* DP and DM lines as rising edge to detect HS/HS/LS device connect scenario.
*/
-
- if (qcom->usb2_speed == USB_SPEED_LOW) {
- dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0],
+ for (i = 0; i < qcom->num_ports; i++) {
+ qcom->usb2_speed[i] = dwc3_qcom_read_usb2_speed(qcom, i);
+ if (qcom->usb2_speed[i] == USB_SPEED_LOW) {
+ dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i],
IRQ_TYPE_EDGE_FALLING);
- } else if ((qcom->usb2_speed == USB_SPEED_HIGH) ||
- (qcom->usb2_speed == USB_SPEED_FULL)) {
- dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0],
+ } else if ((qcom->usb2_speed[i] == USB_SPEED_HIGH) ||
+ (qcom->usb2_speed[i] == USB_SPEED_FULL)) {
+ dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i],
IRQ_TYPE_EDGE_FALLING);
- } else {
- dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0],
+ } else {
+ dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i],
IRQ_TYPE_EDGE_RISING);
- dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0],
+ dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i],
IRQ_TYPE_EDGE_RISING);
- }
+ }
- dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][0], 0);
+ dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][i], 0);
+ }
}
static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup)
@@ -454,10 +461,8 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup)
* The role is stable during suspend as role switching is done from a
* freezable workqueue.
*/
- if (dwc3_qcom_is_host(qcom) && wakeup) {
- qcom->usb2_speed = dwc3_qcom_read_usb2_speed(qcom);
+ if (dwc3_qcom_is_host(qcom) && wakeup)
dwc3_qcom_enable_interrupts(qcom);
- }
qcom->is_suspended = true;
Currently wakeup is supported by only single port controllers. Read speed of each port and accordingly enable IRQ's for those ports. Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> --- drivers/usb/dwc3/dwc3-qcom.c | 65 +++++++++++++++++++----------------- 1 file changed, 35 insertions(+), 30 deletions(-)