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Subject[PATCH 2/2] drivers/s390/char/uvdevice: Autoload module based on CPU feature
Date
With this patch the uvdevice will be automatically loaded when the
HWCAP_UV bit is set.

Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
---
drivers/s390/char/uvdevice.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/s390/char/uvdevice.c b/drivers/s390/char/uvdevice.c
index 66505d7166a6..fddbfc1e27a2 100644
--- a/drivers/s390/char/uvdevice.c
+++ b/drivers/s390/char/uvdevice.c
@@ -27,6 +27,7 @@
#include <linux/stddef.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
+#include <linux/cpufeature.h>

#include <asm/uvdevice.h>
#include <asm/uv.h>
@@ -244,12 +245,10 @@ static void __exit uvio_dev_exit(void)

static int __init uvio_dev_init(void)
{
- if (!test_facility(158))
- return -ENXIO;
return misc_register(&uvio_dev_miscdev);
}

-module_init(uvio_dev_init);
+module_cpu_feature_match(UV, uvio_dev_init);
module_exit(uvio_dev_exit);

MODULE_AUTHOR("IBM Corporation");
--
2.35.3
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