xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xhci: Log extra info on "ERROR Transfer event TRB DMA ptr not part of current TD"

Browse Source 
Lately (with the use of uas / bulk-streams) we have been seeing several
cases where this error triggers (which should never happen).

Add some extra logging to make debugging these errors easier.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede
2014-08-20 16:41:51 +03:00
committed by Greg Kroah-Hartman
parent f85c9fb62c
commit cffb9be80f
3 changed files with 27 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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

@@ -1804,9 +1804,9 @@ void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
/* xHCI ring, segment, TRB, and TD functions */
dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);
struct xhci_segment *trb_in_td(struct xhci_segment *start_seg,
union xhci_trb *start_trb, union xhci_trb *end_trb,
dma_addr_t suspect_dma);
struct xhci_segment *trb_in_td(struct xhci_hcd *xhci,
struct xhci_segment *start_seg, union xhci_trb *start_trb,
union xhci_trb *end_trb, dma_addr_t suspect_dma, bool debug);
int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code);
void xhci_ring_cmd_db(struct xhci_hcd *xhci);
int xhci_queue_slot_control(struct xhci_hcd *xhci, struct xhci_command *cmd,