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path: root/drivers/scsi/pm8001/pm8001_init.c
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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_init.c')
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index d7075c7215ae..c0c9551d1f54 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -41,11 +41,20 @@
#include <linux/slab.h>
#include "pm8001_sas.h"
#include "pm8001_chips.h"
+#include "pm80xx_hwi.h"
static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR_LOGGING;
module_param(logging_level, ulong, 0644);
MODULE_PARM_DESC(logging_level, " bits for enabling logging info.");
+static ulong link_rate = LINKRATE_15 | LINKRATE_30 | LINKRATE_60 | LINKRATE_120;
+module_param(link_rate, ulong, 0644);
+MODULE_PARM_DESC(link_rate, "Enable link rate.\n"
+ " 1: Link rate 1.5G\n"
+ " 2: Link rate 3.0G\n"
+ " 4: Link rate 6.0G\n"
+ " 8: Link rate 12.0G\n");
+
static struct scsi_transport_template *pm8001_stt;
/**
@@ -471,6 +480,14 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
pm8001_ha->shost = shost;
pm8001_ha->id = pm8001_id++;
pm8001_ha->logging_level = logging_level;
+ if (link_rate >= 1 && link_rate <= 15)
+ pm8001_ha->link_rate = (link_rate << 8);
+ else {
+ pm8001_ha->link_rate = LINKRATE_15 | LINKRATE_30 |
+ LINKRATE_60 | LINKRATE_120;
+ PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
+ "Setting link rate to default value\n"));
+ }
sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
/* IOMB size is 128 for 8088/89 controllers */
if (pm8001_ha->chip_id != chip_8001)