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path: root/drivers/scsi/qla4xxx/ql4_nvram.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_nvram.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_nvram.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c
index b4b859b2d47..7851f314ba9 100644
--- a/drivers/scsi/qla4xxx/ql4_nvram.c
+++ b/drivers/scsi/qla4xxx/ql4_nvram.c
@@ -156,6 +156,27 @@ u16 rd_nvram_word(struct scsi_qla_host * ha, int offset)
return val;
}
+u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset)
+{
+ u16 val = 0;
+ u8 rval = 0;
+ int index = 0;
+
+ if (offset & 0x1)
+ index = (offset - 1) / 2;
+ else
+ index = offset / 2;
+
+ val = le16_to_cpu(rd_nvram_word(ha, index));
+
+ if (offset & 0x1)
+ rval = (u8)((val & 0xff00) >> 8);
+ else
+ rval = (u8)((val & 0x00ff));
+
+ return rval;
+}
+
int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha)
{
int status = QLA_ERROR;