Commit c38a90a3 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky

[S390] cio: update descriptor in chsc_chp_vary

Update the channel path descriptor at the beginning of to the
vary_on operation.
Signed-off-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 906c9768
......@@ -54,12 +54,6 @@ static struct work_struct cfg_work;
/* Wait queue for configure completion events. */
static wait_queue_head_t cfg_wait_queue;
/* Return channel_path struct for given chpid. */
static inline struct channel_path *chpid_to_chp(struct chp_id chpid)
{
return channel_subsystems[chpid.cssid]->chps[chpid.id];
}
/* Set vary state for given chpid. */
static void set_chp_logically_online(struct chp_id chpid, int onoff)
{
......
......@@ -52,6 +52,12 @@ struct channel_path {
void *cmg_chars;
};
/* Return channel_path struct for given chpid. */
static inline struct channel_path *chpid_to_chp(struct chp_id chpid)
{
return channel_subsystems[chpid.cssid]->chps[chpid.id];
}
int chp_get_status(struct chp_id chpid);
u8 chp_get_sch_opm(struct subchannel *sch);
int chp_is_registered(struct chp_id chpid);
......
......@@ -495,6 +495,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
*/
int chsc_chp_vary(struct chp_id chpid, int on)
{
struct channel_path *chp = chpid_to_chp(chpid);
struct chp_link link;
memset(&link, 0, sizeof(struct chp_link));
......@@ -504,11 +505,12 @@ int chsc_chp_vary(struct chp_id chpid, int on)
/*
* Redo PathVerification on the devices the chpid connects to
*/
if (on)
if (on) {
/* Try to update the channel path descritor. */
chsc_determine_base_channel_path_desc(chpid, &chp->desc);
for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
__s390_vary_chpid_on, &link);
else
} else
for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
NULL, &link);
......
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