linux-kernel - [PATCH v2 6/7] fpga-mgr: wrap the fpga

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Message-Id: <20210608195506.3022550-8-trix@redhat.com>
Date:   Tue,  8 Jun 2021 12:55:05 -0700
From:   trix@...hat.com
To:     hao.wu@...el.com, mdf@...nel.org, michal.simek@...inx.com
Cc:     linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Tom Rix <trix@...hat.com>
Subject: [PATCH v2 6/7] fpga-mgr: wrap the fpga_remove() op

From: Tom Rix <trix@...hat.com>

An FPGA manager is not required to provide a fpga_remove() op.
Add a wrapper consistent with the other op wrappers.
Move op check to wrapper.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/fpga/fpga-mgr.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index d06752be9c6ef..84808c7ca4406 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -731,6 +731,12 @@ int fpga_mgr_register(struct fpga_manager *mgr)
 }
 EXPORT_SYMBOL_GPL(fpga_mgr_register);
 
+static void fpga_mgr_fpga_remove(struct fpga_manager *mgr)
+{
+	if (mgr->mops && mgr->mops->fpga_remove)
+		mgr->mops->fpga_remove(mgr);
+}
+
 /**
  * fpga_mgr_unregister - unregister a FPGA manager
  * @mgr: fpga manager struct
@@ -745,8 +751,7 @@ void fpga_mgr_unregister(struct fpga_manager *mgr)
 	 * If the low level driver provides a method for putting fpga into
 	 * a desired state upon unregister, do it.
 	 */
-	if (mgr->mops->fpga_remove)
-		mgr->mops->fpga_remove(mgr);
+	fpga_mgr_fpga_remove(mgr);
 
 	device_unregister(&mgr->dev);
 }
-- 
2.26.3