xhci: dbc: Get the device pointer from dbc structure in dbc_ep_do_queue()

dbc_ep_do_queue() can now get the device pointer directly from dbc
structure instead of going through the xhci_hcd structure.

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/20200723144530.9992-12-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index a5281f9..44fe936 100644 (file)
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -267,11 +267,8 @@ static int
 dbc_ep_do_queue(struct dbc_ep *dep, struct dbc_request *req)
 {
        int                     ret;
-       struct device           *dev;
        struct xhci_dbc         *dbc = dep->dbc;
-       struct xhci_hcd         *xhci = dbc->xhci;
-
-       dev = xhci_to_hcd(xhci)->self.sysdev;
+       struct device           *dev = dbc->dev;
 
        if (!req->length || !req->buf)
                return -EINVAL;