summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorHeiko Carstens <hca@linux.ibm.com>2021-06-22 14:07:23 +0200
committerVasily Gorbik <gor@linux.ibm.com>2021-06-28 11:18:28 +0200
commit6d7c628be71dafa851b482c6dd90d2fa4ee3f6c4 (patch)
treeecb483db6ae9b80abde4f59d60ecf521dd05662c
parent8cf23c8e1fec64c8a1e748816f2f2926cacfb0fa (diff)
s390/cmf: get rid of register asm
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
-rw-r--r--drivers/s390/cio/cmf.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index b7b590646d58..5584aa46c94e 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -163,13 +163,14 @@ static inline u64 time_to_avg_nsec(u32 value, u32 count)
*/
static inline void cmf_activate(void *area, unsigned int onoff)
{
- register void * __gpr2 asm("2");
- register long __gpr1 asm("1");
-
- __gpr2 = area;
- __gpr1 = onoff;
/* activate channel measurement */
- asm("schm" : : "d" (__gpr2), "d" (__gpr1) );
+ asm volatile(
+ " lgr 1,%[r1]\n"
+ " lgr 2,%[mbo]\n"
+ " schm\n"
+ :
+ : [r1] "d" ((unsigned long)onoff), [mbo] "d" (area)
+ : "1", "2");
}
static int set_schib(struct ccw_device *cdev, u32 mme, int mbfc,