diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 3264d6275bf27daf1198f7a0833c0576baa65021..6bca2526d54aaf993387db8a04f658eb06222ad7 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -819,8 +819,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) if (ret < 0) { /* This is bad; the host is not responding to commands and it's * not allowing itself to be halted. At least interrupts are - * disabled, so we can set HC_STATE_HALT and notify the - * USB core. But if we call usb_hc_died(), it will attempt to + * disabled. If we call usb_hc_died(), it will attempt to * disconnect all device drivers under this host. Those * disconnect() methods will wait for all URBs to be unlinked, * so we must complete them. @@ -865,7 +864,6 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) } } spin_unlock(&xhci->lock); - xhci_to_hcd(xhci)->state = HC_STATE_HALT; xhci_dbg(xhci, "Calling usb_hc_died()\n"); usb_hc_died(xhci_to_hcd(xhci)); xhci_dbg(xhci, "xHCI host controller is dead.\n"); @@ -2113,7 +2111,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) xhci_warn(xhci, "WARNING: Host System Error\n"); xhci_halt(xhci); hw_died: - xhci_to_hcd(xhci)->state = HC_STATE_HALT; spin_unlock(&xhci->lock); return -ESHUTDOWN; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 8dfa67ff5fac748779593a748c7a4d98a786efdd..63b8db5275e934776f2ebc89b454eb3de14aa4fb 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -95,7 +95,6 @@ void xhci_quiesce(struct xhci_hcd *xhci) * HC will complete any current and actively pipelined transactions, and * should halt within 16 ms of the run/stop bit being cleared. * Read HC Halted bit in the status register to see when the HC is finished. - * XXX: shouldn't we set HC_STATE_HALT here somewhere? */ int xhci_halt(struct xhci_hcd *xhci) { @@ -134,7 +133,7 @@ int xhci_start(struct xhci_hcd *xhci) } /* - * Reset a halted HC, and set the internal HC state to HC_STATE_HALT. + * Reset a halted HC. * * This resets pipelines, timers, counters, state machines, etc. * Transactions will be terminated immediately, and operational registers @@ -156,8 +155,6 @@ int xhci_reset(struct xhci_hcd *xhci) command = xhci_readl(xhci, &xhci->op_regs->command); command |= CMD_RESET; xhci_writel(xhci, command, &xhci->op_regs->command); - /* XXX: Why does EHCI set this here? Shouldn't other code do this? */ - xhci_to_hcd(xhci)->state = HC_STATE_HALT; ret = handshake(xhci, &xhci->op_regs->command, CMD_RESET, 0, 250 * 1000);