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path: root/drivers/scsi/aic94xx/aic94xx_dev.c
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Diffstat (limited to 'drivers/scsi/aic94xx/aic94xx_dev.c')
-rw-r--r--drivers/scsi/aic94xx/aic94xx_dev.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c
index 6f8901b748f7..c520e5b41fb5 100644
--- a/drivers/scsi/aic94xx/aic94xx_dev.c
+++ b/drivers/scsi/aic94xx/aic94xx_dev.c
@@ -37,18 +37,14 @@
37 37
38static inline int asd_get_ddb(struct asd_ha_struct *asd_ha) 38static inline int asd_get_ddb(struct asd_ha_struct *asd_ha)
39{ 39{
40 unsigned long flags;
41 int ddb, i; 40 int ddb, i;
42 41
43 spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
44 ddb = FIND_FREE_DDB(asd_ha); 42 ddb = FIND_FREE_DDB(asd_ha);
45 if (ddb >= asd_ha->hw_prof.max_ddbs) { 43 if (ddb >= asd_ha->hw_prof.max_ddbs) {
46 ddb = -ENOMEM; 44 ddb = -ENOMEM;
47 spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
48 goto out; 45 goto out;
49 } 46 }
50 SET_DDB(ddb, asd_ha); 47 SET_DDB(ddb, asd_ha);
51 spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
52 48
53 for (i = 0; i < sizeof(struct asd_ddb_ssp_smp_target_port); i+= 4) 49 for (i = 0; i < sizeof(struct asd_ddb_ssp_smp_target_port); i+= 4)
54 asd_ddbsite_write_dword(asd_ha, ddb, i, 0); 50 asd_ddbsite_write_dword(asd_ha, ddb, i, 0);
@@ -77,14 +73,10 @@ out:
77 73
78static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb) 74static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
79{ 75{
80 unsigned long flags;
81
82 if (!ddb || ddb >= 0xFFFF) 76 if (!ddb || ddb >= 0xFFFF)
83 return; 77 return;
84 asd_ddbsite_write_byte(asd_ha, ddb, DDB_TYPE, DDB_TYPE_UNUSED); 78 asd_ddbsite_write_byte(asd_ha, ddb, DDB_TYPE, DDB_TYPE_UNUSED);
85 spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
86 CLEAR_DDB(ddb, asd_ha); 79 CLEAR_DDB(ddb, asd_ha);
87 spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
88} 80}
89 81
90static inline void asd_set_ddb_type(struct domain_device *dev) 82static inline void asd_set_ddb_type(struct domain_device *dev)
@@ -320,8 +312,11 @@ out:
320 312
321int asd_dev_found(struct domain_device *dev) 313int asd_dev_found(struct domain_device *dev)
322{ 314{
315 unsigned long flags;
323 int res = 0; 316 int res = 0;
317 struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
324 318
319 spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
325 switch (dev->dev_type) { 320 switch (dev->dev_type) {
326 case SATA_PM: 321 case SATA_PM:
327 res = asd_init_sata_pm_ddb(dev); 322 res = asd_init_sata_pm_ddb(dev);
@@ -335,14 +330,18 @@ int asd_dev_found(struct domain_device *dev)
335 else 330 else
336 res = asd_init_initiator_ddb(dev); 331 res = asd_init_initiator_ddb(dev);
337 } 332 }
333 spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
334
338 return res; 335 return res;
339} 336}
340 337
341void asd_dev_gone(struct domain_device *dev) 338void asd_dev_gone(struct domain_device *dev)
342{ 339{
343 int ddb, sister_ddb; 340 int ddb, sister_ddb;
341 unsigned long flags;
344 struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha; 342 struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
345 343
344 spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
346 ddb = (int) (unsigned long) dev->lldd_dev; 345 ddb = (int) (unsigned long) dev->lldd_dev;
347 sister_ddb = asd_ddbsite_read_word(asd_ha, ddb, SISTER_DDB); 346 sister_ddb = asd_ddbsite_read_word(asd_ha, ddb, SISTER_DDB);
348 347
@@ -350,4 +349,5 @@ void asd_dev_gone(struct domain_device *dev)
350 asd_free_ddb(asd_ha, sister_ddb); 349 asd_free_ddb(asd_ha, sister_ddb);
351 asd_free_ddb(asd_ha, ddb); 350 asd_free_ddb(asd_ha, ddb);
352 dev->lldd_dev = NULL; 351 dev->lldd_dev = NULL;
352 spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
353} 353}