drivers/char: add support for selecting specific xhci
authorMarek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Tue, 16 Aug 2022 09:22:54 +0000 (11:22 +0200)
committerJan Beulich <jbeulich@suse.com>
Tue, 16 Aug 2022 09:22:54 +0000 (11:22 +0200)
commitdeb23751e11a559ca9b9b4c2dc355e2f5250c0d2
tree666ef5eb5d52301e7320df99d1b0a64a1cde48a4
parent3a669ea835f5100b7945da7b89d461883e3add01
drivers/char: add support for selecting specific xhci

Handle parameters similar to dbgp=ehci.

Implement this by not resettting dbc->sbdf again in dbc_init_xhc(), but
using a value found there if non-zero. Additionally, add xue->xhc_num to
select n-th controller.

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
docs/misc/xen-command-line.pandoc
xen/drivers/char/xhci-dbc.c