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[SCSI] zfcp: Use correct width for timer_interval field

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The timer_interval is 14 bits in width. Introduce a define for
properly masking the value.

Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Christof Schmitt 2010-07-16 15:37:36 +02:00 committed by James Bottomley
parent 1bf3ff02ca
commit faf4cd8542
2 changed files with 3 additions and 1 deletions
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2
drivers/s390/scsi/zfcp_fsf.c
View file

@ -495,7 +495,7 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
adapter->hydra_version = bottom->adapter_type;
adapter->timer_ticks = bottom->timer_interval;
adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK;
adapter->stat_read_buf_num = max(bottom->status_read_buf_num,
(u16)FSF_STATUS_READS_RECOM);

2
drivers/s390/scsi/zfcp_fsf.h
View file

@ -352,6 +352,8 @@ struct fsf_qtcb_bottom_support {
u8 els[256];
} __attribute__ ((packed));
#define ZFCP_FSF_TIMER_INT_MASK 0x3FFF
struct fsf_qtcb_bottom_config {
u32 lic_version;
u32 feature_selection;