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authorSebastian Ott <sebott@linux.vnet.ibm.com>2011-01-05 12:47:58 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-05 12:47:29 +0100
commit4bc4e965d3e86897e4c7c487a477ccdf13db5b82 (patch)
tree0fc1ef6faf3f70c39acf1bee24f19f1cd433771c /drivers/s390
parent1de3447a41ea72972966b4896a9f8d2b064bd23f (diff)
[S390] css: update subchannel descriptor
Update the subchannel descriptor if we receive a "Installed parameters modified" crw. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/css.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 825951b6b83f..24d8e97355b9 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -618,6 +618,7 @@ EXPORT_SYMBOL_GPL(css_schedule_reprobe);
static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow)
{
struct subchannel_id mchk_schid;
+ struct subchannel *sch;
if (overflow) {
css_schedule_eval_all();
@@ -637,6 +638,13 @@ static void css_process_crw(struct crw *crw0, struct crw *crw1, int overflow)
if (crw1)
mchk_schid.ssid = (crw1->rsid >> 4) & 3;
+ if (crw0->erc == CRW_ERC_PMOD) {
+ sch = get_subchannel_by_schid(mchk_schid);
+ if (sch) {
+ css_update_ssd_info(sch);
+ put_device(&sch->dev);
+ }
+ }
/*
* Since we are always presented with IPI in the CRW, we have to
* use stsch() to find out if the subchannel in question has come