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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.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 2cfc465925bd..fbf75e57628b 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1827,6 +1827,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
1827 } 1827 }
1828 spin_unlock_irqrestore(&xhci->lock, flags); 1828 spin_unlock_irqrestore(&xhci->lock, flags);
1829 1829
1830 if (!xhci->rh_bw)
1831 goto no_bw;
1832
1830 num_ports = HCS_MAX_PORTS(xhci->hcs_params1); 1833 num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
1831 for (i = 0; i < num_ports; i++) { 1834 for (i = 0; i < num_ports; i++) {
1832 struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table; 1835 struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
@@ -1845,6 +1848,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
1845 } 1848 }
1846 } 1849 }
1847 1850
1851no_bw:
1848 xhci->num_usb2_ports = 0; 1852 xhci->num_usb2_ports = 0;
1849 xhci->num_usb3_ports = 0; 1853 xhci->num_usb3_ports = 0;
1850 xhci->num_active_eps = 0; 1854 xhci->num_active_eps = 0;
@@ -2256,6 +2260,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
2256 u32 page_size, temp; 2260 u32 page_size, temp;
2257 int i; 2261 int i;
2258 2262
2263 INIT_LIST_HEAD(&xhci->lpm_failed_devs);
2264 INIT_LIST_HEAD(&xhci->cancel_cmd_list);
2265
2259 page_size = xhci_readl(xhci, &xhci->op_regs->page_size); 2266 page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
2260 xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size); 2267 xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
2261 for (i = 0; i < 16; i++) { 2268 for (i = 0; i < 16; i++) {
@@ -2334,7 +2341,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
2334 xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags); 2341 xhci->cmd_ring = xhci_ring_alloc(xhci, 1, 1, TYPE_COMMAND, flags);
2335 if (!xhci->cmd_ring) 2342 if (!xhci->cmd_ring)
2336 goto fail; 2343 goto fail;
2337 INIT_LIST_HEAD(&xhci->cancel_cmd_list);
2338 xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring); 2344 xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
2339 xhci_dbg(xhci, "First segment DMA is 0x%llx\n", 2345 xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
2340 (unsigned long long)xhci->cmd_ring->first_seg->dma); 2346 (unsigned long long)xhci->cmd_ring->first_seg->dma);
@@ -2445,8 +2451,6 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
2445 if (xhci_setup_port_arrays(xhci, flags)) 2451 if (xhci_setup_port_arrays(xhci, flags))
2446 goto fail; 2452 goto fail;
2447 2453
2448 INIT_LIST_HEAD(&xhci->lpm_failed_devs);
2449
2450 /* Enable USB 3.0 device notifications for function remote wake, which 2454 /* Enable USB 3.0 device notifications for function remote wake, which
2451 * is necessary for allowing USB 3.0 devices to do remote wakeup from 2455 * is necessary for allowing USB 3.0 devices to do remote wakeup from
2452 * U3 (device suspend). 2456 * U3 (device suspend).