summaryrefslogtreecommitdiff
path: root/drivers/mfd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/intel-m10-bmc.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/mfd/intel-m10-bmc.c b/drivers/mfd/intel-m10-bmc.c
index b84579b7b4f0..06c977519479 100644
--- a/drivers/mfd/intel-m10-bmc.c
+++ b/drivers/mfd/intel-m10-bmc.c
@@ -60,9 +60,52 @@ static ssize_t bmcfw_version_show(struct device *dev,
}
static DEVICE_ATTR_RO(bmcfw_version);
+static ssize_t mac_address_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct intel_m10bmc *max10 = dev_get_drvdata(dev);
+ unsigned int macaddr_low, macaddr_high;
+ int ret;
+
+ ret = m10bmc_sys_read(max10, M10BMC_MAC_LOW, &macaddr_low);
+ if (ret)
+ return ret;
+
+ ret = m10bmc_sys_read(max10, M10BMC_MAC_HIGH, &macaddr_high);
+ if (ret)
+ return ret;
+
+ return sysfs_emit(buf, "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ (u8)FIELD_GET(M10BMC_MAC_BYTE1, macaddr_low),
+ (u8)FIELD_GET(M10BMC_MAC_BYTE2, macaddr_low),
+ (u8)FIELD_GET(M10BMC_MAC_BYTE3, macaddr_low),
+ (u8)FIELD_GET(M10BMC_MAC_BYTE4, macaddr_low),
+ (u8)FIELD_GET(M10BMC_MAC_BYTE5, macaddr_high),
+ (u8)FIELD_GET(M10BMC_MAC_BYTE6, macaddr_high));
+}
+static DEVICE_ATTR_RO(mac_address);
+
+static ssize_t mac_count_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct intel_m10bmc *max10 = dev_get_drvdata(dev);
+ unsigned int macaddr_high;
+ int ret;
+
+ ret = m10bmc_sys_read(max10, M10BMC_MAC_HIGH, &macaddr_high);
+ if (ret)
+ return ret;
+
+ return sysfs_emit(buf, "%u\n",
+ (u8)FIELD_GET(M10BMC_MAC_COUNT, macaddr_high));
+}
+static DEVICE_ATTR_RO(mac_count);
+
static struct attribute *m10bmc_attrs[] = {
&dev_attr_bmc_version.attr,
&dev_attr_bmcfw_version.attr,
+ &dev_attr_mac_address.attr,
+ &dev_attr_mac_count.attr,
NULL,
};
ATTRIBUTE_GROUPS(m10bmc);