From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 1 Sep 2013 22:53:57 +0000 (+0100)
Subject: hwrng: via - Add MODULE_DEVICE_TABLE
X-Git-Tag: firefly_0821_release~176^2~5396^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ff6f83fc9d44db09997937c3475d525a6866fbb4;p=firefly-linux-kernel-4.4.55.git

hwrng: via - Add MODULE_DEVICE_TABLE

via-rng currently isn't auto-loaded if built as a module.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index d0387a84eec1..e737772ad69a 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -29,6 +29,7 @@
 #include <linux/kernel.h>
 #include <linux/hw_random.h>
 #include <linux/delay.h>
+#include <asm/cpu_device_id.h>
 #include <asm/io.h>
 #include <asm/msr.h>
 #include <asm/cpufeature.h>
@@ -220,5 +221,11 @@ static void __exit mod_exit(void)
 module_init(mod_init);
 module_exit(mod_exit);
 
+static struct x86_cpu_id via_rng_cpu_id[] = {
+	X86_FEATURE_MATCH(X86_FEATURE_XSTORE),
+	{}
+};
+
 MODULE_DESCRIPTION("H/W RNG driver for VIA CPU with PadLock");
 MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(x86cpu, via_rng_cpu_id);