#include <asm/isc.h>
#include <asm/cpu.h>
#include <asm/fcx.h>
+#include <asm/nmi.h>
+#include <asm/crw.h>
#include "cio.h"
#include "css.h"
#include "chsc.h"
#include "blacklist.h"
#include "cio_debug.h"
#include "chp.h"
-#include "../s390mach.h"
debug_info_t *cio_debug_msg_id;
debug_info_t *cio_debug_trace_id;
if (ccode < 0) /* -EIO if msch gets a program check. */
return ccode;
switch (ccode) {
- case 0: /* successfull */
+ case 0: /* successful */
if (stsch(sch->schid, &schib) ||
!css_sch_is_valid(&schib))
return -ENODEV;
int cio_disable_subchannel(struct subchannel *sch)
{
char dbf_txt[15];
+ int retry;
int ret;
CIO_TRACE_EVENT (2, "dissch");
if (cio_update_schib(sch))
return -ENODEV;
- if (scsw_actl(&sch->schib.scsw) != 0)
- /*
- * the disable function must not be called while there are
- * requests pending for completion !
- */
- return -EBUSY;
-
sch->config.ena = 0;
- ret = cio_commit_config(sch);
+ for (retry = 0; retry < 3; retry++) {
+ ret = cio_commit_config(sch);
+ if (ret == -EBUSY) {
+ struct irb irb;
+ if (tsch(sch->schid, &irb) != 0)
+ break;
+ } else
+ break;
+ }
sprintf (dbf_txt, "ret:%d", ret);
CIO_TRACE_EVENT (2, dbf_txt);
return ret;