linux-kernel - [PATCH v2 6/6] staging: vt6655: Remove macro PCAvDelayByIO

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Date:   Mon, 4 Apr 2022 22:49:04 +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 6/6] staging: vt6655: Remove macro PCAvDelayByIO

Remove do-while(0) and CamelCase macro PCAvDelayByIO as
it is not accepted by checkpatch.pl
As the macro is just used once with a constant <= 50 the
functionality of the macro is implemented by using
udelay() directly.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
V1 -> V2: Changed converting macro to function to delete macro
          This patch was 7/7 and is now 6/6
---
 drivers/staging/vt6655/srom.c |  2 +-
 drivers/staging/vt6655/upc.h  | 13 -------------
 2 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/staging/vt6655/srom.c b/drivers/staging/vt6655/srom.c
index 1612c9702e31..2719046f1ac0 100644
--- a/drivers/staging/vt6655/srom.c
+++ b/drivers/staging/vt6655/srom.c
@@ -80,7 +80,7 @@ unsigned char SROMbyReadEmbedded(void __iomem *iobase,
 			VNS_IN_PORTB(iobase + MAC_REG_I2MCSR, &byWait);
 			if (byWait & (I2MCSR_DONE | I2MCSR_NACK))
 				break;
-			PCAvDelayByIO(CB_DELAY_LOOP_WAIT);
+			udelay(CB_DELAY_LOOP_WAIT);
 		}
 		if ((wDelay < W_MAX_TIMEOUT) &&
 		    (!(byWait & I2MCSR_NACK))) {
diff --git a/drivers/staging/vt6655/upc.h b/drivers/staging/vt6655/upc.h
index 7d5075ec3162..05e0cf2e7d97 100644
--- a/drivers/staging/vt6655/upc.h
+++ b/drivers/staging/vt6655/upc.h
@@ -38,19 +38,6 @@
 #define VNS_OUT_PORTD(io_address, data) \
 	iowrite32((u32)(data), io_address)
 
-#define PCAvDelayByIO(u_delay_unit)				\
-do {								\
-	unsigned char __maybe_unused data;			\
-	unsigned long ii;					\
-								\
-	if (u_delay_unit <= 50) {					\
-		udelay(u_delay_unit);				\
-	} else {						\
-		for (ii = 0; ii < (u_delay_unit); ii++)		\
-			data = inb(0x61);			\
-	}							\
-} while (0)
-
 /*---------------------  Export Classes  ----------------------------*/
 
 /*---------------------  Export Variables  --------------------------*/
-- 
2.25.1