linux-kernel - [PATCH] fpga: Add flag to indicate bitstream needs decompression

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Date:   Sun, 14 May 2017 17:34:04 +0200
From:   Anatolij Gustschin <agust@...x.de>
To:     linux-fpga@...r.kernel.org
Cc:     Alan Tull <atull@...nel.org>,
        Moritz Fischer <moritz.fischer@...us.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] fpga: Add flag to indicate bitstream needs decompression

Add a flag that is passed to the write_init() callback, indicating
that the bitstream is compressed.

The low-level driver will deal with the flag, or return an error,
if compressed bitstreams are not supported.

Signed-off-by: Anatolij Gustschin <agust@...x.de>
---
 include/linux/fpga/fpga-mgr.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index b4ac24c..fe6c3c4 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -71,6 +71,7 @@ enum fpga_mgr_states {
 #define FPGA_MGR_PARTIAL_RECONFIG	BIT(0)
 #define FPGA_MGR_EXTERNAL_CONFIG	BIT(1)
 #define FPGA_MGR_ENCRYPTED_BITSTREAM	BIT(2)
+#define FPGA_MGR_COMPRESSED_BITSTREAM	BIT(3)
 
 /**
  * struct fpga_image_info - information specific to a FPGA image
-- 
2.7.4