openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

xhci: dbc: Pass dbc pointer to dbc_handle_xfer_event() instead of xhci_hcd pointer 

The event handling function only used xhci pointer to get the dbc pointer.
Pass the dbc pointer instead as a parameter

No functional changes
This change helps decoupling xhci and DbC

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200723144530.9992-15-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathias Nyman 2020-07-23 17:45:17 +03:00 committed by Greg Kroah-Hartman
parent 903089b7b9
commit a1f6376df4
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -579,7 +579,7 @@ dbc_handle_port_status(struct xhci_dbc *dbc, union xhci_trb *event)
writel(portsc & ~DBC_PORTSC_RESET_CHANGE, &dbc->regs->portsc);
}
static void dbc_handle_xfer_event(struct xhci_hcd *xhci, union xhci_trb *event)
static void dbc_handle_xfer_event(struct xhci_dbc *dbc, union xhci_trb *event)
{
struct dbc_ep *dep;
struct xhci_ring *ring;
@ -588,7 +588,6 @@ static void dbc_handle_xfer_event(struct xhci_hcd *xhci, union xhci_trb *event)
u32 comp_code;
size_t remain_length;
struct dbc_request *req = NULL, *r;
struct xhci_dbc *dbc = xhci->dbc;
comp_code = GET_COMP_CODE(le32_to_cpu(event->generic.field[2]));
remain_length = EVENT_TRB_LEN(le32_to_cpu(event->generic.field[2]));
@ -654,7 +653,6 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc)
struct dbc_ep *dep;
union xhci_trb *evt;
u32 ctrl, portsc;
struct xhci_hcd *xhci = dbc->xhci;
bool update_erdp = false;
/* DbC state machine: */
@ -763,7 +761,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc)
dbc_handle_port_status(dbc, evt);
break;
case TRB_TYPE(TRB_TRANSFER):
dbc_handle_xfer_event(xhci, evt);
dbc_handle_xfer_event(dbc, evt);
break;
default:
break;