From: Akshay Gupta <akshay.gupta@xxxxxxx>
- AMD provides socket power information from out of band
which can be read by sensors.
- mfd cell will probe the drivers/hwmon/sbrmi as a platform device
and share the sbrmi device data.
Signed-off-by: Akshay Gupta <Akshay.Gupta@xxxxxxx>
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx>
---
drivers/mfd/sbrmi-i2c.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/sbrmi-i2c.c b/drivers/mfd/sbrmi-i2c.c
index 96215e986740..c19f0b3eb0cd 100644
--- a/drivers/mfd/sbrmi-i2c.c
+++ b/drivers/mfd/sbrmi-i2c.c
@@ -10,6 +10,7 @@
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/init.h>
+#include <linux/mfd/core.h>
#include <linux/mfd/amd-sb.h>
#include <linux/module.h>
#include <linux/mutex.h>
@@ -17,6 +18,10 @@
#define SBRMI_CTRL 0x1
+static struct mfd_cell apml_sbrmi[] = {
+ { .name = "sbrmi-hwmon" },
+};
+
static int sbrmi_enable_alert(struct i2c_client *client)
{
int ctrl;
@@ -72,7 +77,17 @@ static int sbrmi_i2c_probe(struct i2c_client *client)
return ret;
/* Cache maximum power limit */
- return sbrmi_get_max_pwr_limit(data);
+ ret = sbrmi_get_max_pwr_limit(data);
+ if (ret < 0)
+ return ret;
+
+ dev_set_drvdata(dev, (void *)data);
+
+ ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, apml_sbrmi,
+ ARRAY_SIZE(apml_sbrmi), NULL, 0, NULL);
+ if (ret)
+ dev_err(dev, "Failed to register for sub-devices: %d\n", ret);
+ return ret;
}
static const struct i2c_device_id sbrmi_id[] = {
--
2.25.1
