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Diffstat (limited to 'drivers/scsi/mvsas/mv_sas.c')
-rw-r--r--drivers/scsi/mvsas/mv_sas.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index 0ef27425c447..aaa475a3eda6 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -253,6 +253,20 @@ int mvs_find_dev_phyno(struct domain_device *dev, int *phyno)
return num;
}
+struct mvs_device *mvs_find_dev_by_reg_set(struct mvs_info *mvi,
+ u8 reg_set)
+{
+ u32 dev_no;
+ for (dev_no = 0; dev_no < MVS_MAX_DEVICES; dev_no++) {
+ if (mvi->devices[dev_no].taskfileset == MVS_ID_NOT_MAPPED)
+ continue;
+
+ if (mvi->devices[dev_no].taskfileset == reg_set)
+ return &mvi->devices[dev_no];
+ }
+ return NULL;
+}
+
static inline void mvs_free_reg_set(struct mvs_info *mvi,
struct mvs_device *dev)
{