Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[linux-drm-fsl-dcu.git] / drivers / scsi / aic94xx / aic94xx_dev.c

diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c
index 6f8901b748f737c676d0c22226f06117e09a545e..c520e5b41fb52288982d73ac2ce46362407938d5 100644 (file)
--- a/drivers/scsi/aic94xx/aic94xx_dev.c
+++ b/drivers/scsi/aic94xx/aic94xx_dev.c
@@ -37,18 +37,14 @@
 
 static inline int asd_get_ddb(struct asd_ha_struct *asd_ha)
 {
-       unsigned long flags;
        int ddb, i;
 
-       spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
        ddb = FIND_FREE_DDB(asd_ha);
        if (ddb >= asd_ha->hw_prof.max_ddbs) {
                ddb = -ENOMEM;
-               spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
                goto out;
        }
        SET_DDB(ddb, asd_ha);
-       spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 
        for (i = 0; i < sizeof(struct asd_ddb_ssp_smp_target_port); i+= 4)
                asd_ddbsite_write_dword(asd_ha, ddb, i, 0);
@@ -77,14 +73,10 @@ out:
 
 static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
 {
-       unsigned long flags;
-
        if (!ddb || ddb >= 0xFFFF)
                return;
        asd_ddbsite_write_byte(asd_ha, ddb, DDB_TYPE, DDB_TYPE_UNUSED);
-       spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
        CLEAR_DDB(ddb, asd_ha);
-       spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 }
 
 static inline void asd_set_ddb_type(struct domain_device *dev)
@@ -320,8 +312,11 @@ out:
 
 int asd_dev_found(struct domain_device *dev)
 {
+       unsigned long flags;
        int res = 0;
+       struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 
+       spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
        switch (dev->dev_type) {
        case SATA_PM:
                res = asd_init_sata_pm_ddb(dev);
@@ -335,14 +330,18 @@ int asd_dev_found(struct domain_device *dev)
                else
                        res = asd_init_initiator_ddb(dev);
        }
+       spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
+
        return res;
 }
 
 void asd_dev_gone(struct domain_device *dev)
 {
        int ddb, sister_ddb;
+       unsigned long flags;
        struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 
+       spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
        ddb = (int) (unsigned long) dev->lldd_dev;
        sister_ddb = asd_ddbsite_read_word(asd_ha, ddb, SISTER_DDB);
 
@@ -350,4 +349,5 @@ void asd_dev_gone(struct domain_device *dev)
                asd_free_ddb(asd_ha, sister_ddb);
        asd_free_ddb(asd_ha, ddb);
        dev->lldd_dev = NULL;
+       spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 }