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usb: xhci: remove xhci_dbg_ctx()

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XHCI context changes have already been traced by the trace
events. It's unnecessary to put the same message in kernel
log. This patch removes the use of xhci_dbg_ctx().

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lu Baolu
2017-04-07 17:57:09 +03:00
committed by Greg Kroah-Hartman
parent 8c10152ec5
commit c8844f2ddb
3 changed files with 0 additions and 181 deletions
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143
drivers/usb/host/xhci-dbg.c
View File

@@ -283,19 +283,6 @@ void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci)
upper_32_bits(val)); upper_32_bits(val));
} }
/* Print the last 32 bytes for 64-byte contexts */
static void dbg_rsvd64(struct xhci_hcd *xhci, u64 *ctx, dma_addr_t dma)
{
int i;
for (i = 0; i < 4; i++) {
xhci_dbg(xhci, "@%p (virt) @%08llx "
"(dma) %#08llx - rsvd64[%d]\n",
&ctx[4 + i], (unsigned long long)dma,
ctx[4 + i], i);
dma += 8;
}
}
char *xhci_get_slot_state(struct xhci_hcd *xhci, char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx) struct xhci_container_ctx *ctx)
{ {
@@ -305,136 +292,6 @@ char *xhci_get_slot_state(struct xhci_hcd *xhci,
return xhci_slot_state_string(state); return xhci_slot_state_string(state);
} }
static void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
{
/* Fields are 32 bits wide, DMA addresses are in bytes */
int field_size = 32 / 8;
int i;
struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
dma_addr_t dma = ctx->dma +
((unsigned long)slot_ctx - (unsigned long)ctx->bytes);
int csz = HCC_64BYTE_CONTEXT(xhci->hcc_params);
xhci_dbg(xhci, "Slot Context:\n");
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_info\n",
&slot_ctx->dev_info,
(unsigned long long)dma, slot_ctx->dev_info);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_info2\n",
&slot_ctx->dev_info2,
(unsigned long long)dma, slot_ctx->dev_info2);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - tt_info\n",
&slot_ctx->tt_info,
(unsigned long long)dma, slot_ctx->tt_info);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - dev_state\n",
&slot_ctx->dev_state,
(unsigned long long)dma, slot_ctx->dev_state);
dma += field_size;
for (i = 0; i < 4; i++) {
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n",
&slot_ctx->reserved[i], (unsigned long long)dma,
slot_ctx->reserved[i], i);
dma += field_size;
}
if (csz)
dbg_rsvd64(xhci, (u64 *)slot_ctx, dma);
}
static void xhci_dbg_ep_ctx(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx,
unsigned int last_ep)
{
int i, j;
int last_ep_ctx = 31;
/* Fields are 32 bits wide, DMA addresses are in bytes */
int field_size = 32 / 8;
int csz = HCC_64BYTE_CONTEXT(xhci->hcc_params);
if (last_ep < 31)
last_ep_ctx = last_ep + 1;
for (i = 0; i < last_ep_ctx; i++) {
unsigned int epaddr = xhci_get_endpoint_address(i);
struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, ctx, i);
dma_addr_t dma = ctx->dma +
((unsigned long)ep_ctx - (unsigned long)ctx->bytes);
xhci_dbg(xhci, "%s Endpoint %02d Context (ep_index %02d):\n",
usb_endpoint_out(epaddr) ? "OUT" : "IN",
epaddr & USB_ENDPOINT_NUMBER_MASK, i);
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - ep_info\n",
&ep_ctx->ep_info,
(unsigned long long)dma, ep_ctx->ep_info);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - ep_info2\n",
&ep_ctx->ep_info2,
(unsigned long long)dma, ep_ctx->ep_info2);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08llx - deq\n",
&ep_ctx->deq,
(unsigned long long)dma, ep_ctx->deq);
dma += 2*field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - tx_info\n",
&ep_ctx->tx_info,
(unsigned long long)dma, ep_ctx->tx_info);
dma += field_size;
for (j = 0; j < 3; j++) {
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd[%d]\n",
&ep_ctx->reserved[j],
(unsigned long long)dma,
ep_ctx->reserved[j], j);
dma += field_size;
}
if (csz)
dbg_rsvd64(xhci, (u64 *)ep_ctx, dma);
}
}
void xhci_dbg_ctx(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx,
unsigned int last_ep)
{
int i;
/* Fields are 32 bits wide, DMA addresses are in bytes */
int field_size = 32 / 8;
dma_addr_t dma = ctx->dma;
int csz = HCC_64BYTE_CONTEXT(xhci->hcc_params);
if (ctx->type == XHCI_CTX_TYPE_INPUT) {
struct xhci_input_control_ctx *ctrl_ctx =
xhci_get_input_control_ctx(ctx);
if (!ctrl_ctx) {
xhci_warn(xhci, "Could not get input context, bad type.\n");
return;
}
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - drop flags\n",
&ctrl_ctx->drop_flags, (unsigned long long)dma,
ctrl_ctx->drop_flags);
dma += field_size;
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - add flags\n",
&ctrl_ctx->add_flags, (unsigned long long)dma,
ctrl_ctx->add_flags);
dma += field_size;
for (i = 0; i < 6; i++) {
xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - rsvd2[%d]\n",
&ctrl_ctx->rsvd2[i], (unsigned long long)dma,
ctrl_ctx->rsvd2[i], i);
dma += field_size;
}
if (csz)
dbg_rsvd64(xhci, (u64 *)ctrl_ctx, dma);
}
xhci_dbg_slot_ctx(xhci, ctx);
xhci_dbg_ep_ctx(xhci, ctx, last_ep);
}
void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *), void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),
const char *fmt, ...) const char *fmt, ...)
{ {

37
drivers/usb/host/xhci.c
View File

@@ -1305,11 +1305,6 @@ static int xhci_check_maxpacket(struct xhci_hcd *xhci, unsigned int slot_id,
ctrl_ctx->add_flags = cpu_to_le32(EP0_FLAG); ctrl_ctx->add_flags = cpu_to_le32(EP0_FLAG);
ctrl_ctx->drop_flags = 0; ctrl_ctx->drop_flags = 0;
xhci_dbg(xhci, "Slot %d input context\n", slot_id);
xhci_dbg_ctx(xhci, command->in_ctx, ep_index);
xhci_dbg(xhci, "Slot %d output context\n", slot_id);
xhci_dbg_ctx(xhci, out_ctx, ep_index);
ret = xhci_configure_endpoint(xhci, urb->dev, command, ret = xhci_configure_endpoint(xhci, urb->dev, command,
true, false); true, false);
@@ -1857,7 +1852,6 @@ static int xhci_evaluate_context_result(struct xhci_hcd *xhci,
struct usb_device *udev, u32 *cmd_status) struct usb_device *udev, u32 *cmd_status)
{ {
int ret; int ret;
struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];
switch (*cmd_status) { switch (*cmd_status) {
case COMP_COMMAND_ABORTED: case COMP_COMMAND_ABORTED:
@@ -1878,7 +1872,6 @@ static int xhci_evaluate_context_result(struct xhci_hcd *xhci,
case COMP_CONTEXT_STATE_ERROR: case COMP_CONTEXT_STATE_ERROR:
dev_warn(&udev->dev, dev_warn(&udev->dev,
"WARN: invalid context state for evaluate context command.\n"); "WARN: invalid context state for evaluate context command.\n");
xhci_dbg_ctx(xhci, virt_dev->out_ctx, 1);
ret = -EINVAL; ret = -EINVAL;
break; break;
case COMP_INCOMPATIBLE_DEVICE_ERROR: case COMP_INCOMPATIBLE_DEVICE_ERROR:
@@ -2757,9 +2750,6 @@ static int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
break; break;
} }
} }
xhci_dbg(xhci, "New Input Control Context:\n");
xhci_dbg_ctx(xhci, virt_dev->in_ctx,
LAST_CTX_TO_EP_NUM(le32_to_cpu(slot_ctx->dev_info)));
ret = xhci_configure_endpoint(xhci, udev, command, ret = xhci_configure_endpoint(xhci, udev, command,
false, false); false, false);
@@ -2767,10 +2757,6 @@ static int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
/* Callee should call reset_bandwidth() */ /* Callee should call reset_bandwidth() */
goto command_cleanup; goto command_cleanup;
xhci_dbg(xhci, "Output context after successful config ep cmd:\n");
xhci_dbg_ctx(xhci, virt_dev->out_ctx,
LAST_CTX_TO_EP_NUM(le32_to_cpu(slot_ctx->dev_info)));
/* Free any rings that were dropped, but not changed. */ /* Free any rings that were dropped, but not changed. */
for (i = 1; i < 31; i++) { for (i = 1; i < 31; i++) {
if ((le32_to_cpu(ctrl_ctx->drop_flags) & (1 << (i + 1))) && if ((le32_to_cpu(ctrl_ctx->drop_flags) & (1 << (i + 1))) &&
@@ -2837,9 +2823,6 @@ static void xhci_setup_input_ctx_for_config_ep(struct xhci_hcd *xhci,
ctrl_ctx->drop_flags = cpu_to_le32(drop_flags); ctrl_ctx->drop_flags = cpu_to_le32(drop_flags);
xhci_slot_copy(xhci, in_ctx, out_ctx); xhci_slot_copy(xhci, in_ctx, out_ctx);
ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG); ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
xhci_dbg(xhci, "Input Context:\n");
xhci_dbg_ctx(xhci, in_ctx, xhci_last_valid_endpoint(add_flags));
} }
static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci, static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
@@ -3552,9 +3535,6 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd,
} }
/* If necessary, update the number of active TTs on this root port */ /* If necessary, update the number of active TTs on this root port */
xhci_update_tt_active_eps(xhci, virt_dev, old_active_eps); xhci_update_tt_active_eps(xhci, virt_dev, old_active_eps);
xhci_dbg(xhci, "Output context after successful reset device cmd:\n");
xhci_dbg_ctx(xhci, virt_dev->out_ctx, last_freed_endpoint);
ret = 0; ret = 0;
command_cleanup: command_cleanup:
@@ -3854,8 +3834,6 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
ctrl_ctx->drop_flags = 0; ctrl_ctx->drop_flags = 0;
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, trace_xhci_address_ctx(xhci, virt_dev->in_ctx,
le32_to_cpu(slot_ctx->dev_info) >> 27); le32_to_cpu(slot_ctx->dev_info) >> 27);
@@ -3908,8 +3886,6 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
xhci_err(xhci, xhci_err(xhci,
"ERROR: unexpected setup %s command completion code 0x%x.\n", "ERROR: unexpected setup %s command completion code 0x%x.\n",
act, command->status); act, command->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); trace_xhci_address_ctx(xhci, virt_dev->out_ctx, 1);
ret = -EINVAL; ret = -EINVAL;
break; break;
@@ -3928,12 +3904,8 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
xhci_dbg_trace(xhci, trace_xhci_dbg_address, xhci_dbg_trace(xhci, trace_xhci_dbg_address,
"Output Context DMA address = %#08llx", "Output Context DMA address = %#08llx",
(unsigned long long)virt_dev->out_ctx->dma); (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, trace_xhci_address_ctx(xhci, virt_dev->in_ctx,
le32_to_cpu(slot_ctx->dev_info) >> 27); le32_to_cpu(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);
/* /*
* USB core uses address 1 for the roothubs, so we add one to the * USB core uses address 1 for the roothubs, so we add one to the
* address given back to us by the HC. * address given back to us by the HC.
@@ -4038,14 +4010,10 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci,
xhci_dbg_trace(xhci, trace_xhci_dbg_context_change, xhci_dbg_trace(xhci, trace_xhci_dbg_context_change,
"Set up evaluate context for LPM MEL 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);
/* Issue and wait for the evaluate context command. */ /* Issue and wait for the evaluate context command. */
ret = xhci_configure_endpoint(xhci, udev, command, ret = xhci_configure_endpoint(xhci, udev, command,
true, true); true, true);
xhci_dbg(xhci, "Slot %u Output Context:\n", udev->slot_id);
xhci_dbg_ctx(xhci, virt_dev->out_ctx, 0);
if (!ret) { if (!ret) {
spin_lock_irqsave(&xhci->lock, flags); spin_lock_irqsave(&xhci->lock, flags);
@@ -4813,8 +4781,6 @@ static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
xhci_dbg(xhci, "Set up %s for hub device.\n", xhci_dbg(xhci, "Set up %s for hub device.\n",
(xhci->hci_version > 0x95) ? (xhci->hci_version > 0x95) ?
"configure endpoint" : "evaluate context"); "configure endpoint" : "evaluate context");
xhci_dbg(xhci, "Slot %u Input Context:\n", hdev->slot_id);
xhci_dbg_ctx(xhci, config_cmd->in_ctx, 0);
/* Issue and wait for the configure endpoint or /* Issue and wait for the configure endpoint or
* evaluate context command. * evaluate context command.
@@ -4826,9 +4792,6 @@ static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
ret = xhci_configure_endpoint(xhci, hdev, config_cmd, ret = xhci_configure_endpoint(xhci, hdev, config_cmd,
true, false); true, false);
xhci_dbg(xhci, "Slot %u Output Context:\n", hdev->slot_id);
xhci_dbg_ctx(xhci, vdev->out_ctx, 0);
xhci_free_command(xhci, config_cmd); xhci_free_command(xhci, config_cmd);
return ret; return ret;
} }

1
drivers/usb/host/xhci.h
View File

@@ -1923,7 +1923,6 @@ void xhci_dbg_regs(struct xhci_hcd *xhci);
void xhci_print_run_regs(struct xhci_hcd *xhci); void xhci_print_run_regs(struct xhci_hcd *xhci);
void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst); void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst);
void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci); void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci);
void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int last_ep);
char *xhci_get_slot_state(struct xhci_hcd *xhci, char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx); struct xhci_container_ctx *ctx);
void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *), void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *),