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From: Axel Lin <axel.lin@ingics.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] gpio: pca953x: Use ARRAY_SIZE instead of reinventing it
Date: Sat, 22 Jun 2013 18:22:48 +0800	[thread overview]
Message-ID: <1371896568.12449.1.camel@phoenix> (raw)

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/gpio/pca953x.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index be13745..7371cd4 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -47,9 +47,6 @@ struct pca953x_chip_ngpio {
 static struct pca953x_chip_ngpio pca953x_chip_ngpios[] =
     CONFIG_SYS_I2C_PCA953X_WIDTH;
 
-#define NUM_CHIP_GPIOS (sizeof(pca953x_chip_ngpios) / \
-			sizeof(struct pca953x_chip_ngpio))
-
 /*
  * Determine the number of GPIO pins supported. If we don't know we assume
  * 8 pins.
@@ -58,7 +55,7 @@ static int pca953x_ngpio(uint8_t chip)
 {
 	int i;
 
-	for (i = 0; i < NUM_CHIP_GPIOS; i++)
+	for (i = 0; i < ARRAY_SIZE(pca953x_chip_ngpios); i++)
 		if (pca953x_chip_ngpios[i].chip == chip)
 			return pca953x_chip_ngpios[i].ngpio;
 
-- 
1.8.1.2

             reply	other threads:[~2013-06-22 10:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-22 10:22 Axel Lin [this message]
2013-06-22 11:05 ` [U-Boot] [PATCH] gpio: pca953x: Use ARRAY_SIZE instead of reinventing it Thierry Reding
2013-06-22 13:21 ` Marek Vasut
2013-08-18 21:49 ` [U-Boot] " Tom Rini

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