mfd / platform: cros_ec: Add sensor_count and make check_features public

[linux-2.6-microblaze.git] / drivers / mfd / cros_ec_dev.c

diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 6e6dfd6..a35104e 100644 (file)
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -112,38 +112,6 @@ static const struct mfd_cell cros_ec_vbc_cells[] = {
        { .name = "cros-ec-vbc", }
 };
 
-static int cros_ec_check_features(struct cros_ec_dev *ec, int feature)
-{
-       struct cros_ec_command *msg;
-       int ret;
-
-       if (ec->features[0] == -1U && ec->features[1] == -1U) {
-               /* features bitmap not read yet */
-               msg = kzalloc(sizeof(*msg) + sizeof(ec->features), GFP_KERNEL);
-               if (!msg)
-                       return -ENOMEM;
-
-               msg->command = EC_CMD_GET_FEATURES + ec->cmd_offset;
-               msg->insize = sizeof(ec->features);
-
-               ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg);
-               if (ret < 0) {
-                       dev_warn(ec->dev, "cannot get EC features: %d/%d\n",
-                                ret, msg->result);
-                       memset(ec->features, 0, sizeof(ec->features));
-               } else {
-                       memcpy(ec->features, msg->data, sizeof(ec->features));
-               }
-
-               dev_dbg(ec->dev, "EC features %08x %08x\n",
-                       ec->features[0], ec->features[1]);
-
-               kfree(msg);
-       }
-
-       return ec->features[feature / 32] & EC_FEATURE_MASK_0(feature);
-}
-
 static void cros_ec_class_release(struct device *dev)
 {
        kfree(to_cros_ec_dev(dev));