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path: root/drivers/usb/host/xhci-hcd.c
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Diffstat (limited to 'drivers/usb/host/xhci-hcd.c')
-rw-r--r--drivers/usb/host/xhci-hcd.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci-hcd.c
index ff99365cae4..e15773598e4 100644
--- a/drivers/usb/host/xhci-hcd.c
+++ b/drivers/usb/host/xhci-hcd.c
@@ -226,6 +226,7 @@ int xhci_init(struct usb_hcd *hcd)
static void xhci_work(struct xhci_hcd *xhci)
{
u32 temp;
+ u64 temp_64;
/*
* Clear the op reg interrupt status first,
@@ -249,8 +250,8 @@ static void xhci_work(struct xhci_hcd *xhci)
xhci_handle_event(xhci);
/* Clear the event handler busy flag; the event ring should be empty. */
- temp = xhci_readl(xhci, &xhci->ir_set->erst_dequeue[0]);
- xhci_writel(xhci, temp & ~ERST_EHB, &xhci->ir_set->erst_dequeue[0]);
+ temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue);
+ xhci_write_64(xhci, temp_64 & ~ERST_EHB, &xhci->ir_set->erst_dequeue);
/* Flush posted writes -- FIXME is this necessary? */
xhci_readl(xhci, &xhci->ir_set->irq_pending);
}
@@ -295,6 +296,7 @@ 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;
@@ -311,9 +313,9 @@ void xhci_event_ring_work(unsigned long arg)
xhci_dbg(xhci, "Event ring:\n");
xhci_debug_segment(xhci, xhci->event_ring->deq_seg);
xhci_dbg_ring_ptrs(xhci, xhci->event_ring);
- temp = xhci_readl(xhci, &xhci->ir_set->erst_dequeue[0]);
- temp &= ERST_PTR_MASK;
- xhci_dbg(xhci, "ERST deq = 0x%x\n", temp);
+ 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);
@@ -356,6 +358,7 @@ void xhci_event_ring_work(unsigned long arg)
int xhci_run(struct usb_hcd *hcd)
{
u32 temp;
+ u64 temp_64;
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
void (*doorbell)(struct xhci_hcd *) = NULL;
@@ -416,11 +419,9 @@ int xhci_run(struct usb_hcd *hcd)
xhci_dbg(xhci, "Event ring:\n");
xhci_debug_ring(xhci, xhci->event_ring);
xhci_dbg_ring_ptrs(xhci, xhci->event_ring);
- temp = xhci_readl(xhci, &xhci->ir_set->erst_dequeue[0]);
- temp &= ERST_PTR_MASK;
- xhci_dbg(xhci, "ERST deq = 0x%x\n", temp);
- temp = xhci_readl(xhci, &xhci->ir_set->erst_dequeue[1]);
- xhci_dbg(xhci, "ERST deq upper = 0x%x\n", temp);
+ 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);
temp = xhci_readl(xhci, &xhci->op_regs->command);
temp |= (CMD_RUN);
@@ -888,8 +889,7 @@ static void xhci_zero_in_ctx(struct xhci_virt_device *virt_dev)
ep_ctx = &virt_dev->in_ctx->ep[i];
ep_ctx->ep_info = 0;
ep_ctx->ep_info2 = 0;
- ep_ctx->deq[0] = 0;
- ep_ctx->deq[1] = 0;
+ ep_ctx->deq = 0;
ep_ctx->tx_info = 0;
}
}
@@ -1165,7 +1165,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
struct xhci_virt_device *virt_dev;
int ret = 0;
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- u32 temp;
+ u64 temp_64;
if (!udev->slot_id) {
xhci_dbg(xhci, "Bad Slot ID %d\n", udev->slot_id);
@@ -1227,18 +1227,13 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
if (ret) {
return ret;
}
- temp = xhci_readl(xhci, &xhci->op_regs->dcbaa_ptr[0]);
- xhci_dbg(xhci, "Op regs DCBAA ptr[0] = %#08x\n", temp);
- temp = xhci_readl(xhci, &xhci->op_regs->dcbaa_ptr[1]);
- xhci_dbg(xhci, "Op regs DCBAA ptr[1] = %#08x\n", temp);
- xhci_dbg(xhci, "Slot ID %d dcbaa entry[0] @%p = %#08x\n",
- udev->slot_id,
- &xhci->dcbaa->dev_context_ptrs[2*udev->slot_id],
- xhci->dcbaa->dev_context_ptrs[2*udev->slot_id]);
- xhci_dbg(xhci, "Slot ID %d dcbaa entry[1] @%p = %#08x\n",
+ 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[2*udev->slot_id+1],
- xhci->dcbaa->dev_context_ptrs[2*udev->slot_id+1]);
+ &xhci->dcbaa->dev_context_ptrs[udev->slot_id],
+ (unsigned long long)
+ xhci->dcbaa->dev_context_ptrs[udev->slot_id]);
xhci_dbg(xhci, "Output Context DMA address = %#08llx\n",
(unsigned long long)virt_dev->out_ctx_dma);
xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id);