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path: root/drivers/s390/cio/chsc.c
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Diffstat (limited to 'drivers/s390/cio/chsc.c')
-rw-r--r--drivers/s390/cio/chsc.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index e16c553f6556..8ea7d9b2c671 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -376,7 +376,7 @@ static void chsc_process_sei_chp_avail(struct chsc_sei_nt0_area *sei_area)
continue;
}
mutex_lock(&chp->lock);
- chsc_determine_base_channel_path_desc(chpid, &chp->desc);
+ chp_update_desc(chp);
mutex_unlock(&chp->lock);
}
}
@@ -631,8 +631,8 @@ int chsc_chp_vary(struct chp_id chpid, int on)
* Redo PathVerification on the devices the chpid connects to
*/
if (on) {
- /* Try to update the channel path descritor. */
- chsc_determine_base_channel_path_desc(chpid, &chp->desc);
+ /* Try to update the channel path description. */
+ chp_update_desc(chp);
for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
__s390_vary_chpid_on, &chpid);
} else
@@ -825,9 +825,10 @@ int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
{
struct chsc_response_struct *chsc_resp;
struct chsc_scpd *scpd_area;
+ unsigned long flags;
int ret;
- spin_lock_irq(&chsc_page_lock);
+ spin_lock_irqsave(&chsc_page_lock, flags);
scpd_area = chsc_page;
ret = chsc_determine_channel_path_desc(chpid, 0, 0, 1, 0, scpd_area);
if (ret)
@@ -835,7 +836,7 @@ int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
chsc_resp = (void *)&scpd_area->response;
memcpy(desc, &chsc_resp->data, sizeof(*desc));
out:
- spin_unlock_irq(&chsc_page_lock);
+ spin_unlock_irqrestore(&chsc_page_lock, flags);
return ret;
}