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authorDarrick J. Wong <djwong@us.ibm.com>2008-02-19 10:50:49 -0800
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-04-07 12:15:39 -0500
commit68066c3ed14b529331bc2ff12470e9ca1cae5c3f (patch)
treee7c57b85c65c5945106e9a26f67fb732e2e294f4
parent45e6cdf41437c72ed79cee64dc69e7f740511e50 (diff)
[SCSI] aic94xx: Use sas_request_addr() to provide SAS WWN if the adapter lacks one
If the aic94xx chip doesn't have a SAS address in the chip's flash memory, make libsas get one for us. Signed-off-by: Darrick J. Wong <djwong@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
-rw-r--r--drivers/scsi/aic94xx/aic94xx.h16
-rw-r--r--drivers/scsi/aic94xx/aic94xx_hwi.c20
-rw-r--r--drivers/scsi/aic94xx/aic94xx_init.c2
3 files changed, 9 insertions, 29 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx.h b/drivers/scsi/aic94xx/aic94xx.h
index eb8efdcefe4..2ef459e9cda 100644
--- a/drivers/scsi/aic94xx/aic94xx.h
+++ b/drivers/scsi/aic94xx/aic94xx.h
@@ -58,7 +58,6 @@
extern struct kmem_cache *asd_dma_token_cache;
extern struct kmem_cache *asd_ascb_cache;
-extern char sas_addr_str[2*SAS_ADDR_SIZE + 1];
static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
{
@@ -68,21 +67,6 @@ static inline void asd_stringify_sas_addr(char *p, const u8 *sas_addr)
*p = '\0';
}
-static inline void asd_destringify_sas_addr(u8 *sas_addr, const char *p)
-{
- int i;
- for (i = 0; i < SAS_ADDR_SIZE; i++) {
- u8 h, l;
- if (!*p)
- break;
- h = isdigit(*p) ? *p-'0' : *p-'A'+10;
- p++;
- l = isdigit(*p) ? *p-'0' : *p-'A'+10;
- p++;
- sas_addr[i] = (h<<4) | l;
- }
-}
-
struct asd_ha_struct;
struct asd_ascb;
diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
index 098b5f39cd3..940a207a42f 100644
--- a/drivers/scsi/aic94xx/aic94xx_hwi.c
+++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
@@ -27,6 +27,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/firmware.h>
#include "aic94xx.h"
#include "aic94xx_reg.h"
@@ -38,16 +39,14 @@ u32 MBAR0_SWB_SIZE;
/* ---------- Initialization ---------- */
-static void asd_get_user_sas_addr(struct asd_ha_struct *asd_ha)
+static int asd_get_user_sas_addr(struct asd_ha_struct *asd_ha)
{
- extern char sas_addr_str[];
- /* If the user has specified a WWN it overrides other settings
- */
- if (sas_addr_str[0] != '\0')
- asd_destringify_sas_addr(asd_ha->hw_prof.sas_addr,
- sas_addr_str);
- else if (asd_ha->hw_prof.sas_addr[0] != 0)
- asd_stringify_sas_addr(sas_addr_str, asd_ha->hw_prof.sas_addr);
+ /* adapter came with a sas address */
+ if (asd_ha->hw_prof.sas_addr[0])
+ return 0;
+
+ return sas_request_addr(asd_ha->sas_ha.core.shost,
+ asd_ha->hw_prof.sas_addr);
}
static void asd_propagate_sas_addr(struct asd_ha_struct *asd_ha)
@@ -657,8 +656,7 @@ int asd_init_hw(struct asd_ha_struct *asd_ha)
asd_init_ctxmem(asd_ha);
- asd_get_user_sas_addr(asd_ha);
- if (!asd_ha->hw_prof.sas_addr[0]) {
+ if (asd_get_user_sas_addr(asd_ha)) {
asd_printk("No SAS Address provided for %s\n",
pci_name(asd_ha->pcidev));
err = -ENODEV;
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index 88d1e731b65..806fa4d9a64 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -56,8 +56,6 @@ MODULE_PARM_DESC(collector, "\n"
"\tThe aic94xx SAS LLDD supports both modes.\n"
"\tDefault: 0 (Direct Mode).\n");
-char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
-
static struct scsi_transport_template *aic94xx_transport_template;
static int asd_scan_finished(struct Scsi_Host *, unsigned long);
static void asd_scan_start(struct Scsi_Host *);