5.15-stable review patch. If anyone has any objections, please let me know.
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From: Mathias Nyman mathias.nyman@linux.intel.com
[ Upstream commit a909d629ae77b97b6288bc3cfe68560454bf79c6 ]
resume_done is just a timestamp, avoid confusing it with completions related to port state transitions that are named *_done
Signed-off-by: Mathias Nyman mathias.nyman@linux.intel.com Link: https://lore.kernel.org/r/20230202150505.618915-10-mathias.nyman@linux.intel... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Stable-dep-of: d7cdfc319b2b ("xhci: track port suspend state correctly in unsuccessful resume cases") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/host/xhci-hub.c | 20 ++++++++++---------- drivers/usb/host/xhci-ring.c | 4 ++-- drivers/usb/host/xhci.h | 2 +- 3 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 7f0c9176b4951..d3d3dadaca10b 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -924,7 +924,7 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port, return -EINVAL; } /* did port event handler already start resume timing? */ - if (!port->resume_done) { + if (!port->resume_timestamp) { /* If not, maybe we are in a host initated resume? */ if (test_bit(wIndex, &bus_state->resuming_ports)) { /* Host initated resume doesn't time the resume @@ -941,18 +941,18 @@ static int xhci_handle_usb2_port_link_resume(struct xhci_port *port, msecs_to_jiffies(USB_RESUME_TIMEOUT);
set_bit(wIndex, &bus_state->resuming_ports); - port->resume_done = timeout; + port->resume_timestamp = timeout; mod_timer(&hcd->rh_timer, timeout); usb_hcd_start_port_resume(&hcd->self, wIndex); } /* Has resume been signalled for USB_RESUME_TIME yet? */ - } else if (time_after_eq(jiffies, port->resume_done)) { + } else if (time_after_eq(jiffies, port->resume_timestamp)) { int time_left;
xhci_dbg(xhci, "resume USB2 port %d-%d\n", hcd->self.busnum, wIndex + 1);
- port->resume_done = 0; + port->resume_timestamp = 0; clear_bit(wIndex, &bus_state->resuming_ports); port->rexit_active = true;
@@ -1087,10 +1087,10 @@ static void xhci_get_usb2_port_status(struct xhci_port *port, u32 *status, if (link_state == XDEV_U2) *status |= USB_PORT_STAT_L1; if (link_state == XDEV_U0) { - if (port->resume_done) + if (port->resume_timestamp) usb_hcd_end_port_resume(&port->rhub->hcd->self, portnum); - port->resume_done = 0; + port->resume_timestamp = 0; clear_bit(portnum, &bus_state->resuming_ports); if (bus_state->suspended_ports & (1 << portnum)) { bus_state->suspended_ports &= ~(1 << portnum); @@ -1162,11 +1162,11 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, * Clear stale usb2 resume signalling variables in case port changed * state during resume signalling. For example on error */ - if ((port->resume_done || + if ((port->resume_timestamp || test_bit(wIndex, &bus_state->resuming_ports)) && (raw_port_status & PORT_PLS_MASK) != XDEV_U3 && (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) { - port->resume_done = 0; + port->resume_timestamp = 0; clear_bit(wIndex, &bus_state->resuming_ports); usb_hcd_end_port_resume(&hcd->self, wIndex); } @@ -1674,8 +1674,8 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
if ((temp & mask) != 0 || (bus_state->port_c_suspend & 1 << i) || - (ports[i]->resume_done && time_after_eq( - jiffies, ports[i]->resume_done))) { + (ports[i]->resume_timestamp && time_after_eq( + jiffies, ports[i]->resume_timestamp))) { buf[(i + 1) / 8] |= 1 << (i + 1) % 8; status = 1; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 8038dced215c7..aa12da0796d2d 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1987,7 +1987,7 @@ static void handle_port_status(struct xhci_hcd *xhci, goto cleanup; } else if (!test_bit(hcd_portnum, &bus_state->resuming_ports)) { xhci_dbg(xhci, "resume HS port %d\n", port_id); - port->resume_done = jiffies + + port->resume_timestamp = jiffies + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(hcd_portnum, &bus_state->resuming_ports); /* Do the rest in GetPortStatus after resume time delay. @@ -1996,7 +1996,7 @@ static void handle_port_status(struct xhci_hcd *xhci, */ set_bit(HCD_FLAG_POLL_RH, &hcd->flags); mod_timer(&hcd->rh_timer, - port->resume_done); + port->resume_timestamp); usb_hcd_start_port_resume(&hcd->self, hcd_portnum); bogus_port_status = true; } diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 22ffbeaa51eb6..8ae33db1e4bcc 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1733,7 +1733,7 @@ struct xhci_port { struct xhci_hub *rhub; struct xhci_port_cap *port_cap; unsigned int lpm_incapable:1; - unsigned long resume_done; + unsigned long resume_timestamp; bool rexit_active; struct completion rexit_done; struct completion u3exit_done;