[PATCH v2 10/11] fpga: Add flag to indicate bitstream needs decompression

From	Alan Tull <atull@kernel.org>
Newsgroups	linux.kernel
Subject	[PATCH v2 10/11] fpga: Add flag to indicate bitstream needs decompression
Date	2017-06-14 17:40 +0200
Message-ID	<tSiyK-6WY-13@gated-at.bofh.it> (permalink)
References	<tSiyJ-6WY-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

From: Anatolij Gustschin <agust@denx.de>

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@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Alan Tull <atull@kernel.org>
---
 include/linux/fpga/fpga-mgr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index 01c348c..bfa14bc 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -68,11 +68,13 @@ enum fpga_mgr_states {
  * FPGA_MGR_PARTIAL_RECONFIG: do partial reconfiguration if supported
  * FPGA_MGR_EXTERNAL_CONFIG: FPGA has been configured prior to Linux booting
  * FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first
+ * FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed
  */
 #define FPGA_MGR_PARTIAL_RECONFIG	BIT(0)
 #define FPGA_MGR_EXTERNAL_CONFIG	BIT(1)
 #define FPGA_MGR_ENCRYPTED_BITSTREAM	BIT(2)
 #define FPGA_MGR_BITSTREAM_LSB_FIRST	BIT(3)
+#define FPGA_MGR_COMPRESSED_BITSTREAM	BIT(4)
 
 /**
  * struct fpga_image_info - information specific to a FPGA image
-- 
2.7.4

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH v2 10/11] fpga: Add flag to indicate bitstream needs decompression Alan Tull <atull@kernel.org> - 2017-06-14 17:40 +0200

csiph-web