Re: [PATCH v2] tpm: disable hwrng for fTPM on some AMD designs

From: Guenter Roeck
Date: Mon Feb 27 2023 - 10:06:35 EST


On 2/27/23 06:58, Mario Limonciello wrote:
[ ... ]
+    version = ((u64)val1 << 32) | val2;
+    if ((version >> 48) == 6) {
+        if (version >= 0x0006000000180006ULL)
+            return false;
+    } else if ((version >> 48) == 3) {
+        if (version >= 0x0003005700000005ULL)
+            return false;
+    } else
+        return false;

checkpatch:

CHECK: braces {} should be used on all arms of this statement
#200: FILE: drivers/char/tpm/tpm-chip.c:557:
+    if ((version >> 48) == 6) {
[...]
+    } else if ((version >> 48) == 3) {
[...]
+    } else
[...]

It was requested by Jarko explicitly in v1 to do it this way.

https://lore.kernel.org/lkml/Y+%2F6G+UlTI7GpW6o@xxxxxxxxxx/


Interesting. We live and learn.

Guenter