linux-kernel - [PATCH v2 2/2] staging: vt6655: Convert macro vt6655_mac_clear_stck

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Date:   Thu, 28 Jul 2022 07:59:45 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/2] staging: vt6655: Convert macro
 vt6655_mac_clear_stck_ds to function

Convert once used macro to static function. Multiline macros are not
liked by kernel community. Rename variable byOrgValue to reg_value to
avoid CamelCase which is not accepted by checkpatch.pl. Change variable
declaration to u8 as this improves readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
V1 -> V2: Combind patch "Rename byOrgValue to reg_val..." with this one
          Removed function declaration
          Changed variable declaration
          Improved patch description
---
 drivers/staging/vt6655/mac.c | 9 +++++++++
 drivers/staging/vt6655/mac.h | 8 --------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index d7ee42df7062..dcc649532737 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -70,6 +70,15 @@ void vt6655_mac_word_reg_bits_off(void __iomem *iobase, const u8 reg_offset, con
 	iowrite16(reg_value & ~(bit_mask), iobase + reg_offset);
 }
 
+static void vt6655_mac_clear_stck_ds(void __iomem *iobase)
+{
+	u8 reg_value;
+
+	reg_value = ioread8(iobase + MAC_REG_STICKHW);
+	reg_value = reg_value & 0xFC;
+	iowrite8(reg_value, iobase + MAC_REG_STICKHW);
+}
+
 /*
  * Description:
  *      Test if all test bits off
diff --git a/drivers/staging/vt6655/mac.h b/drivers/staging/vt6655/mac.h
index 3d6d53d5b383..467c599a3289 100644
--- a/drivers/staging/vt6655/mac.h
+++ b/drivers/staging/vt6655/mac.h
@@ -537,14 +537,6 @@
 
 /*---------------------  Export Macros ------------------------------*/
 
-#define vt6655_mac_clear_stck_ds(iobase)				\
-do {									\
-	unsigned char byOrgValue;					\
-	byOrgValue = ioread8(iobase + MAC_REG_STICKHW);			\
-	byOrgValue = byOrgValue & 0xFC;					\
-	iowrite8(byOrgValue, iobase + MAC_REG_STICKHW);			\
-} while (0)
-
 #define MACvSelectPage0(iobase)				\
 	iowrite8(0, iobase + MAC_REG_PAGE1SEL)
 
-- 
2.37.1