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path: root/drivers/scsi/qla2xxx/qla_mbx.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 6e53bdbb1da..42eb7ffd594 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -7,6 +7,7 @@
#include "qla_def.h"
#include <linux/delay.h>
+#include <linux/gfp.h>
/*
@@ -339,6 +340,7 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
return rval;
}
+#define EXTENDED_BB_CREDITS BIT_0
/*
* qla2x00_execute_fw
* Start adapter firmware.
@@ -371,7 +373,12 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
mcp->mb[1] = MSW(risc_addr);
mcp->mb[2] = LSW(risc_addr);
mcp->mb[3] = 0;
- mcp->mb[4] = 0;
+ if (IS_QLA81XX(ha)) {
+ struct nvram_81xx *nv = ha->nvram;
+ mcp->mb[4] = (nv->enhanced_features &
+ EXTENDED_BB_CREDITS);
+ } else
+ mcp->mb[4] = 0;
mcp->out_mb |= MBX_4|MBX_3|MBX_2|MBX_1;
mcp->in_mb |= MBX_1;
} else {