linux-kernel - [PATCH] hwrng: via-rng: Add MODULE_DEVICE

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Message-ID: <1378076037.25743.54.camel@deadeye.wl.decadent.org.uk>
Date:	Sun, 01 Sep 2013 23:53:57 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Matt Mackall <mpm@...enic.com>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] hwrng: via-rng: Add MODULE_DEVICE_TABLE

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

Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
Compile-tested only.

Ben.

 drivers/char/hw_random/via-rng.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index d0387a8..e737772 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);


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