Commit a6932c3f authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Use pseudo-random number as initial property block generation 



As recommended by USB4 inter-domain service spec use pseudo-random value
instead of zero as initial XDomain property block generation value.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 8ccbed24

drivers/thunderbolt/xdomain.c

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <linux/kmod.h>

#include <linux/module.h>

#include <linux/pm_runtime.h>

#include <linux/prandom.h>

#include <linux/utsname.h>

#include <linux/uuid.h>

#include <linux/workqueue.h>
@@ -1880,6 +1881,7 @@ int tb_xdomain_init(void) 
	tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x1);

	tb_property_add_immediate(xdomain_property_dir, "devicerv", 0x80000100);



	xdomain_property_block_gen = prandom_u32();

	return 0;

}