diff options
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index bbe22bcc550a..fddf2731f798 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -56,7 +56,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, } if (max_packet) { - seg->bounce_buf = kzalloc(max_packet, flags | GFP_DMA); + seg->bounce_buf = kzalloc(max_packet, flags); if (!seg->bounce_buf) { dma_pool_free(xhci->segment_pool, seg->trbs, dma); kfree(seg); @@ -1724,7 +1724,7 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags) xhci->dcbaa->dev_context_ptrs[0] = cpu_to_le64(xhci->scratchpad->sp_dma); for (i = 0; i < num_sp; i++) { dma_addr_t dma; - void *buf = dma_alloc_coherent(dev, xhci->page_size, &dma, + void *buf = dma_zalloc_coherent(dev, xhci->page_size, &dma, flags); if (!buf) goto fail_sp4; @@ -2119,11 +2119,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, { u32 temp, port_offset, port_count; int i; - u8 major_revision; + u8 major_revision, minor_revision; struct xhci_hub *rhub; temp = readl(addr); major_revision = XHCI_EXT_PORT_MAJOR(temp); + minor_revision = XHCI_EXT_PORT_MINOR(temp); if (major_revision == 0x03) { rhub = &xhci->usb3_rhub; @@ -2137,7 +2138,9 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, return; } rhub->maj_rev = XHCI_EXT_PORT_MAJOR(temp); - rhub->min_rev = XHCI_EXT_PORT_MINOR(temp); + + if (rhub->min_rev < minor_revision) + rhub->min_rev = minor_revision; /* Port offset and count in the third dword, see section 7.2 */ temp = readl(addr + 2); @@ -2307,10 +2310,11 @@ static int xhci_setup_port_arrays(struct xhci_hcd *xhci, gfp_t flags) /* Place limits on the number of roothub ports so that the hub * descriptors aren't longer than the USB core will allocate. */ - if (xhci->num_usb3_ports > 15) { + if (xhci->num_usb3_ports > USB_SS_MAXPORTS) { xhci_dbg_trace(xhci, trace_xhci_dbg_init, - "Limiting USB 3.0 roothub ports to 15."); - xhci->num_usb3_ports = 15; + "Limiting USB 3.0 roothub ports to %u.", + USB_SS_MAXPORTS); + xhci->num_usb3_ports = USB_SS_MAXPORTS; } if (xhci->num_usb2_ports > USB_MAXCHILDREN) { xhci_dbg_trace(xhci, trace_xhci_dbg_init, |