Thread (10 messages) 10 messages, 4 authors, 2021-06-28

Re: [PATCH v5 3/4] fpga: pass fpga_manager_update_ops to the fpga_manager_write functions

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From: Martin Hundebøll <hidden>
Date: 2021-06-28 07:42:40
Also in: linux-fpga, lkml

On 25/06/2021 21.58, trix@redhat.com wrote:
quoted hunk ↗ jump to hunk
From: Tom Rix <trix@redhat.com>

Refactor fpga_manager_write* functions for reimaging, pass
the update_ops as a parameter.  Continue the passing of the update_ops
to the write wrapper functions.  Only do the reconfig ops.

Signed-off-by: Tom Rix <trix@redhat.com>
---
  drivers/fpga/fpga-mgr.c | 90 ++++++++++++++++++++++++-----------------
  1 file changed, 53 insertions(+), 37 deletions(-)
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index 31c51d7e07cc8..c8a6bfa037933 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -45,10 +45,12 @@ static inline u64 fpga_mgr_status(struct fpga_manager *mgr)
  	return 0;
  }
  
-static inline int fpga_mgr_write(struct fpga_manager *mgr, const char *buf, size_t count)
+static inline int fpga_mgr_write(struct fpga_manager *mgr,
+				 const char *buf, size_t count,
+				 const struct fpga_manager_update_ops *uops)
  {
  	if (mgr->mops->reconfig.write)
Shouldn't this check be

if (uops->write)
	return ...

?
quoted hunk ↗ jump to hunk
-		return  mgr->mops->reconfig.write(mgr, buf, count);
+		return  uops->write(mgr, buf, count);
  	return -EOPNOTSUPP;
  }
  
<snip>
quoted hunk ↗ jump to hunk
@@ -208,6 +215,7 @@ static int fpga_mgr_write_init_sg(struct fpga_manager *mgr,
   * @mgr:	fpga manager
   * @info:	fpga image specific information
   * @sgt:	scatterlist table
+ * @uops:       which update ops to use
Tabs vs. spaces.
   *
   * Step the low level fpga manager through the device-specific steps of getting
   * an FPGA ready to be configured, writing the image to it, then doing whatever
<snip>
quoted hunk ↗ jump to hunk
@@ -285,6 +295,7 @@ static int fpga_mgr_buf_load_mapped(struct fpga_manager *mgr,
   * @info:	fpga image info
   * @buf:	buffer contain fpga image
   * @count:	byte count of buf
+ * @uops:       which update ops to use
Tabs vs. spaces.
   *
   * Step the low level fpga manager through the device-specific steps of getting
   * an FPGA ready to be configured, writing the image to it, then doing whatever
<snip>
quoted hunk ↗ jump to hunk
@@ -356,6 +368,7 @@ static int fpga_mgr_buf_load(struct fpga_manager *mgr,
   * @mgr:	fpga manager
   * @info:	fpga image specific information
   * @image_name:	name of image file on the firmware search path
+ * @uops:       which update ops to use
Tabs vs. spaces.
   *
   * Request an FPGA image using the firmware class, then write out to the FPGA.
   * Update the state before each step to provide info on what step failed if

// Martin

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