X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmisc%2Fcros_ec.c;h=1b22f1883eeca9ad73f4df16d3e9c4af9cff7e48;hb=5a1a8a63be8f7262a300eddafb18020926b12fb6;hp=fa9984f6bd90deee71d42f0c42cc1c47467bec46;hpb=9af51fb3a505f895d64bd1f8a5967bfaa510add4;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index fa9984f..1b22f18 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -18,11 +18,14 @@
 #include <common.h>
 #include <command.h>
 #include <dm.h>
+#include <flash.h>
 #include <i2c.h>
 #include <cros_ec.h>
 #include <fdtdec.h>
+#include <log.h>
 #include <malloc.h>
 #include <spi.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <asm-generic/gpio.h>
@@ -412,6 +415,21 @@ int cros_ec_scan_keyboard(struct udevice *dev, struct mbkp_keyscan *scan)
 	return 0;
 }
 
+int cros_ec_get_next_event(struct udevice *dev,
+			   struct ec_response_get_next_event *event)
+{
+	int ret;
+
+	ret = ec_command(dev, EC_CMD_GET_NEXT_EVENT, 0, NULL, 0,
+			 event, sizeof(*event));
+	if (ret < 0)
+		return ret;
+	else if (ret != sizeof(*event))
+		return -EC_RES_INVALID_RESPONSE;
+
+	return 0;
+}
+
 int cros_ec_read_id(struct udevice *dev, char *id, int maxlen)
 {
 	struct ec_response_get_version *r;
@@ -477,18 +495,18 @@ int cros_ec_read_current_image(struct udevice *dev,
 }
 
 static int cros_ec_wait_on_hash_done(struct udevice *dev,
+				     struct ec_params_vboot_hash *p,
 				     struct ec_response_vboot_hash *hash)
 {
-	struct ec_params_vboot_hash p;
 	ulong start;
 
 	start = get_timer(0);
 	while (hash->status == EC_VBOOT_HASH_STATUS_BUSY) {
 		mdelay(50);	/* Insert some reasonable delay */
 
-		p.cmd = EC_VBOOT_HASH_GET;
-		if (ec_command(dev, EC_CMD_VBOOT_HASH, 0, &p, sizeof(p),
-		       hash, sizeof(*hash)) < 0)
+		p->cmd = EC_VBOOT_HASH_GET;
+		if (ec_command(dev, EC_CMD_VBOOT_HASH, 0, p, sizeof(*p), hash,
+			       sizeof(*hash)) < 0)
 			return -1;
 
 		if (get_timer(start) > CROS_EC_CMD_HASH_TIMEOUT_MS) {
@@ -512,7 +530,7 @@ int cros_ec_read_hash(struct udevice *dev, uint hash_offset,
 		return -1;
 
 	/* If the EC is busy calculating the hash, fidget until it's done. */
-	rv = cros_ec_wait_on_hash_done(dev, hash);
+	rv = cros_ec_wait_on_hash_done(dev, &p, hash);
 	if (rv)
 		return rv;
 
@@ -535,9 +553,13 @@ int cros_ec_read_hash(struct udevice *dev, uint hash_offset,
 		       hash, sizeof(*hash)) < 0)
 		return -1;
 
-	rv = cros_ec_wait_on_hash_done(dev, hash);
+	rv = cros_ec_wait_on_hash_done(dev, &p, hash);
 	if (rv)
 		return rv;
+	if (hash->status != EC_VBOOT_HASH_STATUS_DONE) {
+		log_err("Hash did not complete, status=%d\n", hash->status);
+		return -EIO;
+	}
 
 	debug("%s: hash done\n", __func__);