[PATCH v4 04/21] platform/chrome: cros_ec_proto: assign buffer size from protocol info

[Tzung-Bi Shih <tzungbi@kernel.org>]

`din_size` is calculated from `ec_dev->max_response`.
`ec_dev->max_response` is further calculated from the protocol info.

To make it clear, assign `din_size` and `dout_size` from protocol info
directly.

Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
No change from v2 and v3.

Changes from v1:
- Add R-b tag.

 drivers/platform/chrome/cros_ec_proto.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index 65191af5139c..629dce3e6ab3 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -449,12 +449,8 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
 			"using proto v%u\n",
 			ec_dev->proto_version);
 
-		ec_dev->din_size = ec_dev->max_response +
-			sizeof(struct ec_host_response) +
-			EC_MAX_RESPONSE_OVERHEAD;
-		ec_dev->dout_size = ec_dev->max_request +
-			sizeof(struct ec_host_request) +
-			EC_MAX_REQUEST_OVERHEAD;
+		ec_dev->din_size = proto_info->max_response_packet_size + EC_MAX_RESPONSE_OVERHEAD;
+		ec_dev->dout_size = proto_info->max_request_packet_size + EC_MAX_REQUEST_OVERHEAD;
 
 		/*
 		 * Check for PD
-- 
2.36.1.255.ge46751e96f-goog