From: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
The timer_interval is 14 bits in width. Introduce a define for
properly masking the value.
Reviewed-by: Swen Schillig <swen@xxxxxxxxxxxx>
Signed-off-by: Christof Schmitt <christof.schmitt@xxxxxxxxxx>
---
drivers/s390/scsi/zfcp_fsf.c | 2 +-
drivers/s390/scsi/zfcp_fsf.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -495,7 +495,7 @@ static int zfcp_fsf_exchange_config_eval
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);
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -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;
--
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