#include <linux/dma-mapping.h>
#include "xhci.h"
+#include "xhci-trace.h"
#define DRIVER_AUTHOR "Sarah Sharp"
#define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
int xhci_halt(struct xhci_hcd *xhci)
{
int ret;
- xhci_dbg(xhci, "// Halt the HC\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Halt the HC");
xhci_quiesce(xhci);
ret = xhci_handshake(xhci, &xhci->op_regs->status,
temp = xhci_readl(xhci, &xhci->op_regs->command);
temp |= (CMD_RUN);
- xhci_dbg(xhci, "// Turn on HC, cmd = 0x%x.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Turn on HC, cmd = 0x%x.",
temp);
xhci_writel(xhci, temp, &xhci->op_regs->command);
return 0;
}
- xhci_dbg(xhci, "// Reset the HC\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Reset the HC");
command = xhci_readl(xhci, &xhci->op_regs->command);
command |= CMD_RESET;
xhci_writel(xhci, command, &xhci->op_regs->command);
if (ret)
return ret;
- xhci_dbg(xhci, "Wait for controller to be ready for doorbell rings\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "Wait for controller to be ready for doorbell rings");
/*
* xHCI cannot write to any doorbells or operational registers other
* than status until the "Controller Not Ready" flag is cleared.
ret = pci_enable_msi(pdev);
if (ret) {
- xhci_dbg(xhci, "failed to allocate MSI entry\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "failed to allocate MSI entry");
return ret;
}
ret = request_irq(pdev->irq, xhci_msi_irq,
0, "xhci_hcd", xhci_to_hcd(xhci));
if (ret) {
- xhci_dbg(xhci, "disable MSI interrupt\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "disable MSI interrupt");
pci_disable_msi(pdev);
}
ret = pci_enable_msix(pdev, xhci->msix_entries, xhci->msix_count);
if (ret) {
- xhci_dbg(xhci, "Failed to enable MSI-X\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "Failed to enable MSI-X");
goto free_entries;
}
return ret;
disable_msix:
- xhci_dbg(xhci, "disable MSI-X interrupt\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "disable MSI-X interrupt");
xhci_free_irq(xhci);
pci_disable_msix(pdev);
free_entries:
* Compliance Mode Detected. Letting USB Core
* handle the Warm Reset
*/
- xhci_dbg(xhci, "Compliance mode detected->port %d\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Compliance mode detected->port %d",
i + 1);
- xhci_dbg(xhci, "Attempting compliance mode recovery\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Attempting compliance mode recovery");
hcd = xhci->shared_hcd;
if (hcd->state == HC_STATE_SUSPENDED)
set_timer_slack(&xhci->comp_mode_recovery_timer,
msecs_to_jiffies(COMP_MODE_RCVRY_MSECS));
add_timer(&xhci->comp_mode_recovery_timer);
- xhci_dbg(xhci, "Compliance mode recovery timer initialized\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Compliance mode recovery timer initialized");
}
/*
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
int retval = 0;
- xhci_dbg(xhci, "xhci_init\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_init");
spin_lock_init(&xhci->lock);
if (xhci->hci_version == 0x95 && link_quirk) {
- xhci_dbg(xhci, "QUIRK: Not clearing Link TRB chain bits.\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "QUIRK: Not clearing Link TRB chain bits.");
xhci->quirks |= XHCI_LINK_TRB_QUIRK;
} else {
- xhci_dbg(xhci, "xHCI doesn't need link TRB QUIRK\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "xHCI doesn't need link TRB QUIRK");
}
retval = xhci_mem_init(xhci, GFP_KERNEL);
- xhci_dbg(xhci, "Finished xhci_init\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Finished xhci_init");
/* Initializing Compliance Mode Recovery Data If Needed */
if (xhci_compliance_mode_recovery_timer_quirk_check()) {
/*-------------------------------------------------------------------------*/
-#ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
-static void xhci_event_ring_work(unsigned long arg)
-{
- unsigned long flags;
- int temp;
- u64 temp_64;
- struct xhci_hcd *xhci = (struct xhci_hcd *) arg;
- int i, j;
-
- xhci_dbg(xhci, "Poll event ring: %lu\n", jiffies);
-
- spin_lock_irqsave(&xhci->lock, flags);
- temp = xhci_readl(xhci, &xhci->op_regs->status);
- xhci_dbg(xhci, "op reg status = 0x%x\n", temp);
- if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING) ||
- (xhci->xhc_state & XHCI_STATE_HALTED)) {
- xhci_dbg(xhci, "HW died, polling stopped.\n");
- spin_unlock_irqrestore(&xhci->lock, flags);
- return;
- }
-
- temp = xhci_readl(xhci, &xhci->ir_set->irq_pending);
- xhci_dbg(xhci, "ir_set 0 pending = 0x%x\n", temp);
- xhci_dbg(xhci, "HC error bitmask = 0x%x\n", xhci->error_bitmask);
- xhci->error_bitmask = 0;
- xhci_dbg(xhci, "Event ring:\n");
- xhci_debug_segment(xhci, xhci->event_ring->deq_seg);
- xhci_dbg_ring_ptrs(xhci, xhci->event_ring);
- temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
- temp_64 &= ~ERST_PTR_MASK;
- xhci_dbg(xhci, "ERST deq = 64'h%0lx\n", (long unsigned int) temp_64);
- xhci_dbg(xhci, "Command ring:\n");
- xhci_debug_segment(xhci, xhci->cmd_ring->deq_seg);
- xhci_dbg_ring_ptrs(xhci, xhci->cmd_ring);
- xhci_dbg_cmd_ptrs(xhci);
- for (i = 0; i < MAX_HC_SLOTS; ++i) {
- if (!xhci->devs[i])
- continue;
- for (j = 0; j < 31; ++j) {
- xhci_dbg_ep_rings(xhci, i, j, &xhci->devs[i]->eps[j]);
- }
- }
- spin_unlock_irqrestore(&xhci->lock, flags);
-
- if (!xhci->zombie)
- mod_timer(&xhci->event_ring_timer, jiffies + POLL_TIMEOUT * HZ);
- else
- xhci_dbg(xhci, "Quit polling the event ring.\n");
-}
-#endif
-
static int xhci_run_finished(struct xhci_hcd *xhci)
{
if (xhci_start(xhci)) {
if (xhci->quirks & XHCI_NEC_HOST)
xhci_ring_cmd_db(xhci);
- xhci_dbg(xhci, "Finished xhci_run for USB3 roothub\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "Finished xhci_run for USB3 roothub");
return 0;
}
if (!usb_hcd_is_primary_hcd(hcd))
return xhci_run_finished(xhci);
- xhci_dbg(xhci, "xhci_run\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_run");
ret = xhci_try_enable_msi(hcd);
if (ret)
return ret;
-#ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
- init_timer(&xhci->event_ring_timer);
- xhci->event_ring_timer.data = (unsigned long) xhci;
- xhci->event_ring_timer.function = xhci_event_ring_work;
- /* Poll the event ring */
- xhci->event_ring_timer.expires = jiffies + POLL_TIMEOUT * HZ;
- xhci->zombie = 0;
- xhci_dbg(xhci, "Setting event ring polling timer\n");
- add_timer(&xhci->event_ring_timer);
-#endif
-
xhci_dbg(xhci, "Command ring memory map follows:\n");
xhci_debug_ring(xhci, xhci->cmd_ring);
xhci_dbg_ring_ptrs(xhci, xhci->cmd_ring);
xhci_dbg_ring_ptrs(xhci, xhci->event_ring);
temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
temp_64 &= ~ERST_PTR_MASK;
- xhci_dbg(xhci, "ERST deq = 64'h%0lx\n", (long unsigned int) temp_64);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "ERST deq = 64'h%0lx", (long unsigned int) temp_64);
- xhci_dbg(xhci, "// Set the interrupt modulation register\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "// Set the interrupt modulation register");
temp = xhci_readl(xhci, &xhci->ir_set->irq_control);
temp &= ~ER_IRQ_INTERVAL_MASK;
temp |= (u32) 160;
/* Set the HCD state before we enable the irqs */
temp = xhci_readl(xhci, &xhci->op_regs->command);
temp |= (CMD_EIE);
- xhci_dbg(xhci, "// Enable interrupts, cmd = 0x%x.\n",
- temp);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "// Enable interrupts, cmd = 0x%x.", temp);
xhci_writel(xhci, temp, &xhci->op_regs->command);
temp = xhci_readl(xhci, &xhci->ir_set->irq_pending);
- xhci_dbg(xhci, "// Enabling event ring interrupter %p by writing 0x%x to irq_pending\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "// Enabling event ring interrupter %p by writing 0x%x to irq_pending",
xhci->ir_set, (unsigned int) ER_IRQ_ENABLE(temp));
xhci_writel(xhci, ER_IRQ_ENABLE(temp),
&xhci->ir_set->irq_pending);
xhci_queue_vendor_command(xhci, 0, 0, 0,
TRB_TYPE(TRB_NEC_GET_FW));
- xhci_dbg(xhci, "Finished xhci_run for USB2 roothub\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "Finished xhci_run for USB2 roothub");
return 0;
}
xhci_cleanup_msix(xhci);
-#ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
- /* Tell the event ring poll function not to reschedule */
- xhci->zombie = 1;
- del_timer_sync(&xhci->event_ring_timer);
-#endif
-
/* Deleting Compliance Mode Recovery Timer */
if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
(!(xhci_all_ports_seen_u0(xhci)))) {
del_timer_sync(&xhci->comp_mode_recovery_timer);
- xhci_dbg(xhci, "%s: compliance mode recovery timer deleted\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "%s: compliance mode recovery timer deleted",
__func__);
}
if (xhci->quirks & XHCI_AMD_PLL_FIX)
usb_amd_dev_put();
- xhci_dbg(xhci, "// Disabling event ring interrupts\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "// Disabling event ring interrupts");
temp = xhci_readl(xhci, &xhci->op_regs->status);
xhci_writel(xhci, temp & ~STS_EINT, &xhci->op_regs->status);
temp = xhci_readl(xhci, &xhci->ir_set->irq_pending);
&xhci->ir_set->irq_pending);
xhci_print_ir_set(xhci, 0);
- xhci_dbg(xhci, "cleaning up memory\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "cleaning up memory");
xhci_mem_cleanup(xhci);
- xhci_dbg(xhci, "xhci_stop completed - status = %x\n",
- xhci_readl(xhci, &xhci->op_regs->status));
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "xhci_stop completed - status = %x",
+ xhci_readl(xhci, &xhci->op_regs->status));
}
/*
xhci_cleanup_msix(xhci);
- xhci_dbg(xhci, "xhci_shutdown completed - status = %x\n",
- xhci_readl(xhci, &xhci->op_regs->status));
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "xhci_shutdown completed - status = %x",
+ xhci_readl(xhci, &xhci->op_regs->status));
}
#ifdef CONFIG_PM
xhci->cmd_ring->dequeue) &
(u64) ~CMD_RING_RSVD_BITS) |
xhci->cmd_ring->cycle_state;
- xhci_dbg(xhci, "// Setting command ring address to 0x%llx\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init,
+ "// Setting command ring address to 0x%llx",
(long unsigned long) val_64);
xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring);
}
if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
(!(xhci_all_ports_seen_u0(xhci)))) {
del_timer_sync(&xhci->comp_mode_recovery_timer);
- xhci_dbg(xhci, "%s: compliance mode recovery timer deleted\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "%s: compliance mode recovery timer deleted",
__func__);
}
if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
!(xhci_all_ports_seen_u0(xhci))) {
del_timer_sync(&xhci->comp_mode_recovery_timer);
- xhci_dbg(xhci, "Compliance Mode Recovery Timer deleted!\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Compliance Mode Recovery Timer deleted!");
}
/* Let the USB core know _both_ roothubs lost power. */
spin_unlock_irq(&xhci->lock);
xhci_cleanup_msix(xhci);
-#ifdef CONFIG_USB_XHCI_HCD_DEBUGGING
- /* Tell the event ring poll function not to reschedule */
- xhci->zombie = 1;
- del_timer_sync(&xhci->event_ring_timer);
-#endif
-
xhci_dbg(xhci, "// Disabling event ring interrupts\n");
temp = xhci_readl(xhci, &xhci->op_regs->status);
xhci_writel(xhci, temp & ~STS_EINT, &xhci->op_regs->status);
struct xhci_virt_device *virt_dev;
if (!hcd || (check_ep && !ep) || !udev) {
- printk(KERN_DEBUG "xHCI %s called with invalid args\n",
- func);
+ pr_debug("xHCI %s called with invalid args\n", func);
return -EINVAL;
}
if (!udev->parent) {
- printk(KERN_DEBUG "xHCI %s called for root hub\n",
- func);
+ pr_debug("xHCI %s called for root hub\n", func);
return 0;
}
xhci = hcd_to_xhci(hcd);
if (check_virt_dev) {
if (!udev->slot_id || !xhci->devs[udev->slot_id]) {
- printk(KERN_DEBUG "xHCI %s called with unaddressed "
- "device\n", func);
+ xhci_dbg(xhci, "xHCI %s called with unaddressed device\n",
+ func);
return -EINVAL;
}
virt_dev = xhci->devs[udev->slot_id];
if (virt_dev->udev != udev) {
- printk(KERN_DEBUG "xHCI %s called with udev and "
+ xhci_dbg(xhci, "xHCI %s called with udev and "
"virt_dev does not match\n", func);
return -EINVAL;
}
hw_max_packet_size = MAX_PACKET_DECODED(le32_to_cpu(ep_ctx->ep_info2));
max_packet_size = usb_endpoint_maxp(&urb->dev->ep0.desc);
if (hw_max_packet_size != max_packet_size) {
- xhci_dbg(xhci, "Max Packet Size for ep 0 changed.\n");
- xhci_dbg(xhci, "Max packet size in usb_device = %d\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Max Packet Size for ep 0 changed.");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Max packet size in usb_device = %d",
max_packet_size);
- xhci_dbg(xhci, "Max packet size in xHCI HW = %d\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Max packet size in xHCI HW = %d",
hw_max_packet_size);
- xhci_dbg(xhci, "Issuing evaluate context command.\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Issuing evaluate context command.");
/* Set up the input context flags for the command */
/* FIXME: This won't work if a non-default control endpoint
goto done;
temp = xhci_readl(xhci, &xhci->op_regs->status);
if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_HALTED)) {
- xhci_dbg(xhci, "HW died, freeing TD.\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
+ "HW died, freeing TD.");
urb_priv = urb->hcpriv;
for (i = urb_priv->td_cnt; i < urb_priv->length; i++) {
td = urb_priv->td[i];
}
if ((xhci->xhc_state & XHCI_STATE_DYING) ||
(xhci->xhc_state & XHCI_STATE_HALTED)) {
- xhci_dbg(xhci, "Ep 0x%x: URB %p to be canceled on "
- "non-responsive xHCI host.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
+ "Ep 0x%x: URB %p to be canceled on "
+ "non-responsive xHCI host.",
urb->ep->desc.bEndpointAddress, urb);
/* Let the stop endpoint command watchdog timer (which set this
* state) finish cleaning up the endpoint TD lists. We must
urb_priv = urb->hcpriv;
i = urb_priv->td_cnt;
if (i < urb_priv->length)
- xhci_dbg(xhci, "Cancel URB %p, dev %s, ep 0x%x, "
- "starting at offset 0x%llx\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
+ "Cancel URB %p, dev %s, ep 0x%x, "
+ "starting at offset 0x%llx",
urb, urb->dev->devpath,
urb->ep->desc.bEndpointAddress,
(unsigned long long) xhci_trb_virt_to_dma(
ret = -ENODEV;
break;
case COMP_SUCCESS:
- dev_dbg(&udev->dev, "Successful Endpoint Configure command\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Successful Endpoint Configure command");
ret = 0;
break;
default:
ret = -EINVAL;
break;
case COMP_SUCCESS:
- dev_dbg(&udev->dev, "Successful evaluate context command\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Successful evaluate context command");
ret = 0;
break;
default:
added_eps = xhci_count_num_new_endpoints(xhci, ctrl_ctx);
if (xhci->num_active_eps + added_eps > xhci->limit_active_eps) {
- xhci_dbg(xhci, "Not enough ep ctxs: "
- "%u active, need to add %u, limit is %u.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Not enough ep ctxs: "
+ "%u active, need to add %u, limit is %u.",
xhci->num_active_eps, added_eps,
xhci->limit_active_eps);
return -ENOMEM;
}
xhci->num_active_eps += added_eps;
- xhci_dbg(xhci, "Adding %u ep ctxs, %u now active.\n", added_eps,
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Adding %u ep ctxs, %u now active.", added_eps,
xhci->num_active_eps);
return 0;
}
num_failed_eps = xhci_count_num_new_endpoints(xhci, ctrl_ctx);
xhci->num_active_eps -= num_failed_eps;
- xhci_dbg(xhci, "Removing %u failed ep ctxs, %u now active.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Removing %u failed ep ctxs, %u now active.",
num_failed_eps,
xhci->num_active_eps);
}
num_dropped_eps = xhci_count_num_dropped_endpoints(xhci, ctrl_ctx);
xhci->num_active_eps -= num_dropped_eps;
if (num_dropped_eps)
- xhci_dbg(xhci, "Removing %u dropped ep ctxs, %u now active.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Removing %u dropped ep ctxs, %u now active.",
num_dropped_eps,
xhci->num_active_eps);
}
* that the HS bus has enough bandwidth if we are activing a new TT.
*/
if (virt_dev->tt_info) {
- xhci_dbg(xhci, "Recalculating BW for rootport %u\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Recalculating BW for rootport %u",
virt_dev->real_port);
if (xhci_check_tt_bw_table(xhci, virt_dev, old_active_eps)) {
xhci_warn(xhci, "Not enough bandwidth on HS bus for "
"newly activated TT.\n");
return -ENOMEM;
}
- xhci_dbg(xhci, "Recalculating BW for TT slot %u port %u\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Recalculating BW for TT slot %u port %u",
virt_dev->tt_info->slot_id,
virt_dev->tt_info->ttport);
} else {
- xhci_dbg(xhci, "Recalculating BW for rootport %u\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Recalculating BW for rootport %u",
virt_dev->real_port);
}
xhci->rh_bw[port_index].num_active_tts;
}
- xhci_dbg(xhci, "Final bandwidth: %u, Limit: %u, Reserved: %u, "
- "Available: %u " "percent\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Final bandwidth: %u, Limit: %u, Reserved: %u, "
+ "Available: %u " "percent",
bw_used, max_bandwidth, bw_reserved,
(max_bandwidth - bw_used - bw_reserved) * 100 /
max_bandwidth);
if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK))
xhci_free_host_resources(xhci, ctrl_ctx);
spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_dbg(xhci, "FIXME allocate a new ring segment\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "FIXME allocate a new ring segment");
return -ENOMEM;
}
xhci_ring_cmd_db(xhci);
struct xhci_dequeue_state deq_state;
struct xhci_virt_ep *ep;
- xhci_dbg(xhci, "Cleaning up stalled endpoint ring\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
+ "Cleaning up stalled endpoint ring");
ep = &xhci->devs[udev->slot_id]->eps[ep_index];
/* We need to move the HW's dequeue pointer past this TD,
* or it will attempt to resend it on the next doorbell ring.
* issue a configure endpoint command later.
*/
if (!(xhci->quirks & XHCI_RESET_EP_QUIRK)) {
- xhci_dbg(xhci, "Queueing new dequeue state\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
+ "Queueing new dequeue state");
xhci_queue_new_dequeue_state(xhci, udev->slot_id,
ep_index, ep->stopped_stream, &deq_state);
} else {
* XXX: No idea how this hardware will react when stream rings
* are enabled.
*/
- xhci_dbg(xhci, "Setting up input context for "
- "configure endpoint command\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Setting up input context for "
+ "configure endpoint command");
xhci_setup_input_ctx_for_quirk(xhci, udev->slot_id,
ep_index, &deq_state);
}
ep_index = xhci_get_endpoint_index(&ep->desc);
virt_ep = &xhci->devs[udev->slot_id]->eps[ep_index];
if (!virt_ep->stopped_td) {
- xhci_dbg(xhci, "Endpoint 0x%x not halted, refusing to reset.\n",
- ep->desc.bEndpointAddress);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
+ "Endpoint 0x%x not halted, refusing to reset.",
+ ep->desc.bEndpointAddress);
return;
}
if (usb_endpoint_xfer_control(&ep->desc)) {
- xhci_dbg(xhci, "Control endpoint stall already handled.\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
+ "Control endpoint stall already handled.");
return;
}
- xhci_dbg(xhci, "Queueing reset endpoint command\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
+ "Queueing reset endpoint command");
spin_lock_irqsave(&xhci->lock, flags);
ret = xhci_queue_reset_ep(xhci, udev->slot_id, ep_index);
/*
/* Are streams already being freed for the endpoint? */
if (ep_state & EP_GETTING_NO_STREAMS) {
xhci_warn(xhci, "WARN Can't disable streams for "
- "endpoint 0x%x\n, "
- "streams are being disabled already.",
+ "endpoint 0x%x, "
+ "streams are being disabled already\n",
eps[i]->desc.bEndpointAddress);
return 0;
}
if (!(ep_state & EP_HAS_STREAMS) &&
!(ep_state & EP_GETTING_STREAMS)) {
xhci_warn(xhci, "WARN Can't disable streams for "
- "endpoint 0x%x\n, "
- "streams are already disabled!",
+ "endpoint 0x%x, "
+ "streams are already disabled!\n",
eps[i]->desc.bEndpointAddress);
xhci_warn(xhci, "WARN xhci_free_streams() called "
"with non-streams endpoint\n");
}
xhci->num_active_eps -= num_dropped_eps;
if (num_dropped_eps)
- xhci_dbg(xhci, "Dropped %u ep ctxs, flags = 0x%x, "
- "%u now active.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Dropped %u ep ctxs, flags = 0x%x, "
+ "%u now active.",
num_dropped_eps, drop_flags,
xhci->num_active_eps);
}
switch (ret) {
case COMP_EBADSLT: /* 0.95 completion code for bad slot ID */
case COMP_CTX_STATE: /* 0.96 completion code for same thing */
- xhci_info(xhci, "Can't reset device (slot ID %u) in %s state\n",
+ xhci_dbg(xhci, "Can't reset device (slot ID %u) in %s state\n",
slot_id,
xhci_get_slot_state(xhci, virt_dev->out_ctx));
- xhci_info(xhci, "Not freeing device rings.\n");
+ xhci_dbg(xhci, "Not freeing device rings.\n");
/* Don't treat this as an error. May change my mind later. */
ret = 0;
goto command_cleanup;
static int xhci_reserve_host_control_ep_resources(struct xhci_hcd *xhci)
{
if (xhci->num_active_eps + 1 > xhci->limit_active_eps) {
- xhci_dbg(xhci, "Not enough ep ctxs: "
- "%u active, need to add 1, limit is %u.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Not enough ep ctxs: "
+ "%u active, need to add 1, limit is %u.",
xhci->num_active_eps, xhci->limit_active_eps);
return -ENOMEM;
}
xhci->num_active_eps += 1;
- xhci_dbg(xhci, "Adding 1 ep ctx, %u now active.\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
+ "Adding 1 ep ctx, %u now active.",
xhci->num_active_eps);
return 0;
}
union xhci_trb *cmd_trb;
if (!udev->slot_id) {
- xhci_dbg(xhci, "Bad Slot ID %d\n", udev->slot_id);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Bad Slot ID %d", udev->slot_id);
return -EINVAL;
}
xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
+ trace_xhci_address_ctx(xhci, virt_dev->in_ctx,
+ slot_ctx->dev_info >> 27);
spin_lock_irqsave(&xhci->lock, flags);
cmd_trb = xhci->cmd_ring->dequeue;
udev->slot_id);
if (ret) {
spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_dbg(xhci, "FIXME: allocate a command ring segment\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "FIXME: allocate a command ring segment");
return ret;
}
xhci_ring_cmd_db(xhci);
ret = -ENODEV;
break;
case COMP_SUCCESS:
- xhci_dbg(xhci, "Successful Address Device command\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Successful Address Device command");
break;
default:
xhci_err(xhci, "ERROR: unexpected command completion "
"code 0x%x.\n", virt_dev->cmd_status);
xhci_dbg(xhci, "Slot ID %d Output Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, virt_dev->out_ctx, 2);
+ trace_xhci_address_ctx(xhci, virt_dev->out_ctx, 1);
ret = -EINVAL;
break;
}
return ret;
}
temp_64 = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr);
- xhci_dbg(xhci, "Op regs DCBAA ptr = %#016llx\n", temp_64);
- xhci_dbg(xhci, "Slot ID %d dcbaa entry @%p = %#016llx\n",
- udev->slot_id,
- &xhci->dcbaa->dev_context_ptrs[udev->slot_id],
- (unsigned long long)
- le64_to_cpu(xhci->dcbaa->dev_context_ptrs[udev->slot_id]));
- xhci_dbg(xhci, "Output Context DMA address = %#08llx\n",
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Op regs DCBAA ptr = %#016llx", temp_64);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Slot ID %d dcbaa entry @%p = %#016llx",
+ udev->slot_id,
+ &xhci->dcbaa->dev_context_ptrs[udev->slot_id],
+ (unsigned long long)
+ le64_to_cpu(xhci->dcbaa->dev_context_ptrs[udev->slot_id]));
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Output Context DMA address = %#08llx",
(unsigned long long)virt_dev->out_ctx->dma);
xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2);
+ trace_xhci_address_ctx(xhci, virt_dev->in_ctx,
+ slot_ctx->dev_info >> 27);
xhci_dbg(xhci, "Slot ID %d Output Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, virt_dev->out_ctx, 2);
/*
* address given back to us by the HC.
*/
slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx);
+ trace_xhci_address_ctx(xhci, virt_dev->out_ctx,
+ slot_ctx->dev_info >> 27);
/* Use kernel assigned address for devices; store xHC assigned
* address locally. */
virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
ctrl_ctx->add_flags = 0;
ctrl_ctx->drop_flags = 0;
- xhci_dbg(xhci, "Internal device address = %d\n", virt_dev->address);
+ xhci_dbg_trace(xhci, trace_xhci_dbg_address,
+ "Internal device address = %d", virt_dev->address);
return 0;
}
slot_ctx->dev_info2 &= cpu_to_le32(~((u32) MAX_EXIT));
slot_ctx->dev_info2 |= cpu_to_le32(max_exit_latency);
- xhci_dbg(xhci, "Set up evaluate context for LPM MEL change.\n");
+ xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
+ "Set up evaluate context for LPM MEL change.");
xhci_dbg(xhci, "Slot %u Input Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, command->in_ctx, 0);
state_name, sel);
else
dev_dbg(&udev->dev, "Device-initiated %s disabled "
- "due to long PEL %llu\n ms",
+ "due to long PEL %llu ms\n",
state_name, pel);
return USB3_LPM_DISABLED;
}
struct xhci_hcd *xhci;
struct device *dev = hcd->self.controller;
int retval;
- u32 temp;
/* Accept arbitrarily long scatter-gather lists */
hcd->self.sg_tablesize = ~0;
+
+ /* support to build packet from discontinuous buffers */
+ hcd->self.no_sg_constraint = 1;
+
/* XHCI controllers don't stop the ep queue on short packets :| */
hcd->self.no_stop_on_short = 1;
/* xHCI private pointer was set in xhci_pci_probe for the second
* registered roothub.
*/
- xhci = hcd_to_xhci(hcd);
- temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
- if (HCC_64BIT_ADDR(temp)) {
- xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n");
- dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64));
- } else {
- dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32));
- }
return 0;
}
goto error;
xhci_dbg(xhci, "Reset complete\n");
- temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
- if (HCC_64BIT_ADDR(temp)) {
+ /* Set dma_mask and coherent_dma_mask to 64-bits,
+ * if xHC supports 64-bit addressing */
+ if (HCC_64BIT_ADDR(xhci->hcc_params) &&
+ !dma_set_mask(dev, DMA_BIT_MASK(64))) {
xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n");
- dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64));
- } else {
- dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32));
+ dma_set_coherent_mask(dev, DMA_BIT_MASK(64));
}
xhci_dbg(xhci, "Calling HCD init\n");
retval = xhci_register_pci();
if (retval < 0) {
- printk(KERN_DEBUG "Problem registering PCI driver.");
+ pr_debug("Problem registering PCI driver.\n");
return retval;
}
retval = xhci_register_plat();
if (retval < 0) {
- printk(KERN_DEBUG "Problem registering platform driver.");
+ pr_debug("Problem registering platform driver.\n");
goto unreg_pci;
}
/*
projects / firefly-linux-kernel-4.4.55.git / blobdiff