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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-12-20 17:01:18 -0500
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-12-20 17:01:18 -0500
commitcb85f123cd2393581bcffad335bfc6bcdd58569c (patch)
tree7b0de48b2a13ca96251c02245ab906f7efa3ac18 /drivers/usb/host/xhci.c
parentb79d2ff98caee60c07a7598aba3b26acd1655a99 (diff)
parentcaca6a03d365883564885f2c1da3e88dcf65d139 (diff)
Merge commit 'v3.2-rc3' into stable/for-linus-3.3
* commit 'v3.2-rc3': (412 commits) Linux 3.2-rc3 virtio-pci: make reset operation safer virtio-mmio: Correct the name of the guest features selector virtio: add HAS_IOMEM dependency to MMIO platform bus driver eCryptfs: Extend array bounds for all filename chars eCryptfs: Flush file in vma close eCryptfs: Prevent file create race condition regulator: TPS65910: Fix VDD1/2 voltage selector count i2c: Make i2cdev_notifier_call static i2c: Delete ANY_I2C_BUS i2c: Fix device name for 10-bit slave address i2c-algo-bit: Generate correct i2c address sequence for 10-bit target drm: integer overflow in drm_mode_dirtyfb_ioctl() Revert "of/irq: of_irq_find_parent: check for parent equal to child" drivers/gpu/vga/vgaarb.c: add missing kfree drm/radeon/kms/atom: unify i2c gpio table handling drm/radeon/kms: fix up gpio i2c mask bits for r4xx for real ttm: Don't return the bo reserved on error path mount_subtree() pointless use-after-free iio: fix a leak due to improper use of anon_inode_getfd() ...
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1ff95a0df57..aa94c019579 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -799,7 +799,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
u32 command, temp = 0;
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct usb_hcd *secondary_hcd;
- int retval;
+ int retval = 0;
/* Wait a bit if either of the roothubs need to settle from the
* transition into bus suspend.
@@ -809,6 +809,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
xhci->bus_state[1].next_statechange))
msleep(100);
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+
spin_lock_irq(&xhci->lock);
if (xhci->quirks & XHCI_RESET_ON_RESUME)
hibernated = true;
@@ -878,20 +881,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
return retval;
xhci_dbg(xhci, "Start the primary HCD\n");
retval = xhci_run(hcd->primary_hcd);
- if (retval)
- goto failed_restart;
-
- xhci_dbg(xhci, "Start the secondary HCD\n");
- retval = xhci_run(secondary_hcd);
if (!retval) {
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- set_bit(HCD_FLAG_HW_ACCESSIBLE,
- &xhci->shared_hcd->flags);
+ xhci_dbg(xhci, "Start the secondary HCD\n");
+ retval = xhci_run(secondary_hcd);
}
-failed_restart:
hcd->state = HC_STATE_SUSPENDED;
xhci->shared_hcd->state = HC_STATE_SUSPENDED;
- return retval;
+ goto done;
}
/* step 4: set Run/Stop bit */
@@ -910,11 +906,14 @@ failed_restart:
* Running endpoints by ringing their doorbells
*/
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
-
spin_unlock_irq(&xhci->lock);
- return 0;
+
+ done:
+ if (retval == 0) {
+ usb_hcd_resume_root_hub(hcd);
+ usb_hcd_resume_root_hub(xhci->shared_hcd);
+ }
+ return retval;
}
#endif /* CONFIG_PM */
@@ -3504,6 +3503,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
/* Otherwise, update the control endpoint ring enqueue pointer. */
else
xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev);
+ ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
+ ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
+ 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);
@@ -3585,7 +3588,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK)
+ 1;
/* Zero the input context control for later use */
- ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx);
ctrl_ctx->add_flags = 0;
ctrl_ctx->drop_flags = 0;