diff mbox series

[2/2] drivers/s390/char/uvdevice: Autoload module based on CPU feature

Message ID 20220701100210.5482-3-seiden@linux.ibm.com (mailing list archive)
State New
Headers show
Series s390: Autoload uvdevice module based on CPU feature | expand

Commit Message

Steffen Eiden July 1, 2022, 10:02 a.m. UTC 
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 mbox series

Patch

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");