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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-01-08 13:05:06 +0100 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-03-18 16:25:31 +0100 |
| commit | a6932c3f9ef3aa0c61fae4ff591f1f01783a45b4 (patch) | |
| tree | 1a2e1c2df79d9af181fdc08dc49d28e949a46876 /drivers/thunderbolt | |
| parent | thunderbolt: Do not re-establish XDomain DMA paths automatically (diff) | |
| download | linux-a6932c3f9ef3aa0c61fae4ff591f1f01783a45b4.tar.xz linux-a6932c3f9ef3aa0c61fae4ff591f1f01783a45b4.zip | |
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: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/xdomain.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index a1657663a95e..cfe6fa7e84f4 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -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; } |