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ANDROID: usb: host: free the offload TR by vendor hook

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Free vendor specific transfer ring through vendor hook
when the offload is enabled.

Bug: 175850224
Test: boot pass and headset works
Change-Id: I1ee112f41dae56bf6e0b8cc5575d8f4e893071f5
Signed-off-by: Howard Yen <howardyen@google.com>
Signed-off-by: Puma Hsu <pumahsu@google.com>
This commit is contained in:
Howard Yen
2021-03-17 22:31:54 +08:00
committed by Puma Hsu
parent c62f09151d
commit 216fe64b61
3 changed files with 11 additions and 3 deletions
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4
drivers/usb/host/xhci-mem.c
View File

@@ -394,7 +394,7 @@ static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci,
return 0;
}
static void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev, unsigned int ep_index)
{
struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
@@ -403,7 +403,7 @@ static void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
ops->free_transfer_ring(xhci, virt_dev, ep_index);
}
static bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev, unsigned int ep_index)
{
struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);

6
drivers/usb/host/xhci.c
View File

@@ -2990,7 +2990,11 @@ void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
for (i = 0; i < 31; i++) {
if (virt_dev->eps[i].new_ring) {
xhci_debugfs_remove_endpoint(xhci, virt_dev, i);
xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, i))
xhci_vendor_free_transfer_ring(xhci, virt_dev, i);
else
xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
virt_dev->eps[i].new_ring = NULL;
}
}

4
drivers/usb/host/xhci.h
View File

@@ -2257,6 +2257,10 @@ struct xhci_vendor_ops *xhci_vendor_get_ops(struct xhci_hcd *xhci);
int xhci_vendor_sync_dev_ctx(struct xhci_hcd *xhci, unsigned int slot_id);
bool xhci_vendor_usb_offload_skip_urb(struct xhci_hcd *xhci, struct urb *urb);
void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev, unsigned int ep_index);
bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev, unsigned int ep_index);
/*
* TODO: As per spec Isochronous IDT transmissions are supported. We bypass