From 600ec7a68cb871efa3e9c2b178839d530dddd468 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Wed, 12 Oct 2016 11:20:45 -0700
Subject: [PATCH] rdma.m4: check for request_firmware_direct() support

If it is available, define HAVE_REQUEST_FIRMWARE_DIRECT.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---
 config/rdma.m4 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/config/rdma.m4 b/config/rdma.m4
index 3e4caee..4e6aa51 100644
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -3112,6 +3112,21 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
 		AC_MSG_RESULT(no)
 	])
 
+	AC_MSG_CHECKING([if firmware.h has request_firmware_direct])
+	LB_LINUX_TRY_COMPILE([
+		#include <linux/firmware.h>
+	],[
+		(void)request_firmware_direct(NULL, NULL, NULL);
+
+		return 0;
+	],[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_REQUEST_FIRMWARE_DIRECT, 1,
+			  [firmware.h has request_firmware_direct])
+	],[
+		AC_MSG_RESULT(no)
+	])
+
 ])
 #
 # COMPAT_CONFIG_HEADERS
-- 
2.46.0