diff options
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index fa1ad3aab66f..5e1235c6aba0 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -790,7 +790,6 @@ static struct notifier_block css_reboot_notifier = { static int css_power_event(struct notifier_block *this, unsigned long event, void *ptr) { - void *secm_area; int ret, i; switch (event) { @@ -806,15 +805,8 @@ static int css_power_event(struct notifier_block *this, unsigned long event, mutex_unlock(&css->mutex); continue; } - secm_area = (void *)get_zeroed_page(GFP_KERNEL | - GFP_DMA); - if (secm_area) { - if (__chsc_do_secm(css, 0, secm_area)) - ret = NOTIFY_BAD; - free_page((unsigned long)secm_area); - } else + if (__chsc_do_secm(css, 0)) ret = NOTIFY_BAD; - mutex_unlock(&css->mutex); } break; @@ -830,15 +822,8 @@ static int css_power_event(struct notifier_block *this, unsigned long event, mutex_unlock(&css->mutex); continue; } - secm_area = (void *)get_zeroed_page(GFP_KERNEL | - GFP_DMA); - if (secm_area) { - if (__chsc_do_secm(css, 1, secm_area)) - ret = NOTIFY_BAD; - free_page((unsigned long)secm_area); - } else + if (__chsc_do_secm(css, 1)) ret = NOTIFY_BAD; - mutex_unlock(&css->mutex); } /* search for subchannels, which appeared during hibernation */ @@ -867,10 +852,7 @@ static int __init css_bus_init(void) if (ret) return ret; - ret = chsc_determine_css_characteristics(); - if (ret == -ENOMEM) - goto out; - + chsc_determine_css_characteristics(); /* Try to enable MSS. */ ret = chsc_enable_facility(CHSC_SDA_OC_MSS); if (ret) |