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path: root/drivers/usb/host/xhci-mem.c
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Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
-rw-r--r--drivers/usb/host/xhci-mem.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 6dc238c592bc..fbf75e57628b 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -51,7 +51,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci,
return NULL;
}
- memset(seg->trbs, 0, SEGMENT_SIZE);
+ memset(seg->trbs, 0, TRB_SEGMENT_SIZE);
/* If the cycle state is 0, set the cycle bit to 1 for all the TRBs */
if (cycle_state == 0) {
for (i = 0; i < TRBS_PER_SEGMENT; i++)
@@ -467,7 +467,7 @@ struct xhci_ring *xhci_dma_to_transfer_ring(
{
if (ep->ep_state & EP_HAS_STREAMS)
return radix_tree_lookup(&ep->stream_info->trb_address_map,
- address >> SEGMENT_SHIFT);
+ address >> TRB_SEGMENT_SHIFT);
return ep->ring;
}
@@ -478,7 +478,7 @@ static struct xhci_ring *dma_to_stream_ring(
u64 address)
{
return radix_tree_lookup(&stream_info->trb_address_map,
- address >> SEGMENT_SHIFT);
+ address >> TRB_SEGMENT_SHIFT);
}
#endif /* CONFIG_USB_XHCI_HCD_DEBUGGING */
@@ -514,7 +514,7 @@ static int xhci_test_radix_tree(struct xhci_hcd *xhci,
cur_ring = stream_info->stream_rings[cur_stream];
for (addr = cur_ring->first_seg->dma;
- addr < cur_ring->first_seg->dma + SEGMENT_SIZE;
+ addr < cur_ring->first_seg->dma + TRB_SEGMENT_SIZE;
addr += trb_size) {
mapped_ring = dma_to_stream_ring(stream_info, addr);
if (cur_ring != mapped_ring) {
@@ -662,7 +662,7 @@ struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci,
cur_stream, (unsigned long long) addr);
key = (unsigned long)
- (cur_ring->first_seg->dma >> SEGMENT_SHIFT);
+ (cur_ring->first_seg->dma >> TRB_SEGMENT_SHIFT);
ret = radix_tree_insert(&stream_info->trb_address_map,
key, cur_ring);
if (ret) {
@@ -693,7 +693,7 @@ cleanup_rings:
if (cur_ring) {
addr = cur_ring->first_seg->dma;
radix_tree_delete(&stream_info->trb_address_map,
- addr >> SEGMENT_SHIFT);
+ addr >> TRB_SEGMENT_SHIFT);
xhci_ring_free(xhci, cur_ring);
stream_info->stream_rings[cur_stream] = NULL;
}
@@ -764,7 +764,7 @@ void xhci_free_stream_info(struct xhci_hcd *xhci,
if (cur_ring) {
addr = cur_ring->first_seg->dma;
radix_tree_delete(&stream_info->trb_address_map,
- addr >> SEGMENT_SHIFT);
+ addr >> TRB_SEGMENT_SHIFT);
xhci_ring_free(xhci, cur_ring);
stream_info->stream_rings[cur_stream] = NULL;
}
@@ -1423,15 +1423,17 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep));
/* Set the max packet size and max burst */
+ max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
+ max_burst = 0;
switch (udev->speed) {
case USB_SPEED_SUPER:
- max_packet = usb_endpoint_maxp(&ep->desc);
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
/* dig out max burst from ep companion desc */
- max_packet = ep->ss_ep_comp.bMaxBurst;
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet));
+ max_burst = ep->ss_ep_comp.bMaxBurst;
break;
case USB_SPEED_HIGH:
+ /* Some devices get this wrong */
+ if (usb_endpoint_xfer_bulk(&ep->desc))
+ max_packet = 512;
/* bits 11:12 specify the number of additional transaction
* opportunities per microframe (USB 2.0, section 9.6.6)
*/
@@ -1439,17 +1441,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
usb_endpoint_xfer_int(&ep->desc)) {
max_burst = (usb_endpoint_maxp(&ep->desc)
& 0x1800) >> 11;
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst));
}
- /* Fall through */
+ break;
case USB_SPEED_FULL:
case USB_SPEED_LOW:
- max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
break;
default:
BUG();
}
+ ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) |
+ MAX_BURST(max_burst));
max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep);
ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload));
@@ -1826,6 +1827,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
spin_unlock_irqrestore(&xhci->lock, flags);
+ if (!xhci->rh_bw)
+ goto no_bw;
+
num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
for (i = 0; i < num_ports; i++) {
struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
@@ -1844,6 +1848,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
}
+no_bw:
xhci->num_usb2_ports = 0;
xhci->num_usb3_ports = 0;
xhci->num_active_eps = 0;
@@ -2255,6 +2260,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
u32 page_size, temp;
int i;
+ INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+ INIT_LIST_HEAD(&xhci->cancel_cmd_list);
+
page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
for (i = 0; i < 16; i++) {
@@ -2305,7 +2313,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
* so we pick the greater alignment need.
*/
xhci->segment_pool = dma_pool_create("xHCI ring segments", dev,
- SEGMENT_SIZE, 64, xhci->page_size);
+ TRB_SEGMENT_SIZE, 64, xhci->page_size);
/* See Table 46 and Note on Figure 55 */
xhci->device_pool = dma_pool_create("xHCI input/output contexts", dev,
@@ -2333,7 +2341,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags);
if (!xhci->cmd_ring)
goto fail;
- INIT_LIST_HEAD(&xhci->cancel_cmd_list);
xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
(unsigned long long)xhci->cmd_ring->first_seg->dma);
@@ -2444,8 +2451,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
if (xhci_setup_port_arrays(xhci, flags))
goto fail;
- INIT_LIST_HEAD(&xhci->lpm_failed_devs);
-
/* Enable USB 3.0 device notifications for function remote wake, which
* is necessary for allowing USB 3.0 devices to do remote wakeup from
* U3 (device suspend).
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-20 09:24:13 +0300