linux-kernel - Re: [PATCH v4 2/5] fpga: fix for coding style issues

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Date:   Sat, 16 Apr 2022 09:58:40 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nava kishore Manne <nava.manne@...inx.com>, mdf@...nel.org,
        hao.wu@...el.com, yilun.xu@...el.com, trix@...hat.com,
        michal.simek@...inx.com, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        git@...inx.com
Subject: Re: [PATCH v4 2/5] fpga: fix for coding style issues

On Sat, 2022-04-16 at 19:07 +0530, Nava kishore Manne wrote:
> fixes the below checks reported by checkpatch.pl
> Lines should not end with a '('
> Alignment should match open parenthesis

in fpga-mgr:
	Another possibillty would be to change the function arguments

and 

in fpga-region:
	Ideally keep the include declaration and definition styles synced

Perhaps:
---
 drivers/fpga/fpga-mgr.c          | 13 ++++++++-----
 drivers/fpga/fpga-region.c       |  6 +++---
 include/linux/fpga/fpga-region.h |  6 +++---
 3 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index d49a9ce34568..c65b97450a67 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -148,12 +148,15 @@ static int fpga_mgr_write_init_buf(struct fpga_manager *mgr,
 	int ret;
 
 	mgr->state = FPGA_MGR_STATE_WRITE_INIT;
-	if (!mgr->mops->initial_header_size)
-		ret = fpga_mgr_write_init(mgr, info, NULL, 0);
-	else
-		ret = fpga_mgr_write_init(
-		    mgr, info, buf, min(mgr->mops->initial_header_size, count));
 
+	if (mgr->mops->initial_header_size) {
+		count = min(mgr->mops->initial_header_size, count);
+	} else {
+		buf = NULL;
+		count = 0;
+	}
+
+	ret = fpga_mgr_write_init(mgr, info, buf, count);
 	if (ret) {
 		dev_err(&mgr->dev, "Error preparing FPGA for writing\n");
 		mgr->state = FPGA_MGR_STATE_WRITE_INIT_ERR;
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
index b0ac18de4885..485948e3c0db 100644
--- a/drivers/fpga/fpga-region.c
+++ b/drivers/fpga/fpga-region.c
@@ -18,9 +18,9 @@
 static DEFINE_IDA(fpga_region_ida);
 static struct class *fpga_region_class;
 
-struct fpga_region *fpga_region_class_find(
-	struct device *start, const void *data,
-	int (*match)(struct device *, const void *))
+struct fpga_region *
+fpga_region_class_find(struct device *start, const void *data,
+		       int (*match)(struct device *, const void *))
 {
 	struct device *dev;
 
diff --git a/include/linux/fpga/fpga-region.h b/include/linux/fpga/fpga-region.h
index 3b87f232425c..9d4d32909340 100644
--- a/include/linux/fpga/fpga-region.h
+++ b/include/linux/fpga/fpga-region.h
@@ -52,9 +52,9 @@ struct fpga_region {
 
 #define to_fpga_region(d) container_of(d, struct fpga_region, dev)
 
-struct fpga_region *fpga_region_class_find(
-	struct device *start, const void *data,
-	int (*match)(struct device *, const void *));
+struct fpga_region *
+fpga_region_class_find(struct device *start, const void *data,
+		       int (*match)(struct device *, const void *));
 
 int fpga_region_program_fpga(struct fpga_region *region);