greybus: firmware: Add new status types for backend updated request

The specification got updated with two more status values, add their
support in greybus.

As retry isn't really an error, skip printing error messages for it as
well.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/fw-management.c b/drivers/staging/greybus/fw-management.c
index 2efe65c..642a393 100644 (file)
--- a/drivers/staging/greybus/fw-management.c
+++ b/drivers/staging/greybus/fw-management.c
@@ -350,7 +350,8 @@ static int fw_mgmt_backend_fw_updated_operation(struct gb_operation *op)
        fw_mgmt->backend_fw_request_id = 0;
        fw_mgmt->backend_fw_status = request->status;
 
-       if (fw_mgmt->backend_fw_status != GB_FW_BACKEND_FW_STATUS_SUCCESS)
+       if ((fw_mgmt->backend_fw_status != GB_FW_BACKEND_FW_STATUS_SUCCESS) &&
+           (fw_mgmt->backend_fw_status != GB_FW_BACKEND_FW_STATUS_RETRY))
                dev_err(fw_mgmt->parent,
                        "failed to load backend firmware: %02x\n",
                        fw_mgmt->backend_fw_status);

diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index 2de5aef..e51c2b1 100644 (file)
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -367,6 +367,8 @@ struct gb_fw_download_release_firmware_request {
 #define GB_FW_BACKEND_FW_STATUS_FAIL_FETCH     0x03
 #define GB_FW_BACKEND_FW_STATUS_FAIL_WRITE     0x04
 #define GB_FW_BACKEND_FW_STATUS_INT            0x05
+#define GB_FW_BACKEND_FW_STATUS_RETRY          0x06
+#define GB_FW_BACKEND_FW_STATUS_NOT_SUPPORTED  0x07
 
 /* firmware management interface firmware version request has no payload */
 struct gb_fw_mgmt_interface_fw_version_response {