linux-kernel - [PATCHv1 2/4] fpga: of-fpga-region: add authenticate-fpga-config property

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Message-Id: <1605204403-6663-3-git-send-email-richard.gong@linux.intel.com>
Date:   Thu, 12 Nov 2020 12:06:41 -0600
From:   richard.gong@...ux.intel.com
To:     mdf@...nel.org, trix@...hat.com, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     dinguyen@...nel.org, sridhar.rajagopal@...el.com,
        richard.gong@...ux.intel.com, Richard Gong <richard.gong@...el.com>
Subject: [PATCHv1 2/4] fpga: of-fpga-region: add authenticate-fpga-config property

From: Richard Gong <richard.gong@...el.com>

Add authenticate-fpga-config property to support FPGA bitstream
authentication.

Signed-off-by: Richard Gong <richard.gong@...el.com>
---
 drivers/fpga/of-fpga-region.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c
index e405309..c7c6d1c 100644
--- a/drivers/fpga/of-fpga-region.c
+++ b/drivers/fpga/of-fpga-region.c
@@ -228,6 +228,9 @@ static struct fpga_image_info *of_fpga_region_parse_ov(
 	if (of_property_read_bool(overlay, "encrypted-fpga-config"))
 		info->flags |= FPGA_MGR_ENCRYPTED_BITSTREAM;
 
+	if (of_property_read_bool(overlay, "authenticate-fpga-config"))
+		info->flags |= FPGA_MGR_BITSTREM_AUTHENTICATION;
+
 	if (!of_property_read_string(overlay, "firmware-name",
 				     &firmware_name)) {
 		info->firmware_name = devm_kstrdup(dev, firmware_name,
-- 
2.7.4