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authorAxel Lin <axel.lin@ingics.com>2013-06-22 18:22:48 +0800
committerTom Rini <trini@ti.com>2013-08-16 13:45:15 -0400
commitf21876174364391757e743cb8673d3fc5fce7ac7 (patch)
treea5bceb19aca4e5b4c8c9b54b743671f8424d99be
parent2db1c3fc673c2ddfa1f8dbb41326d9763ea0ae64 (diff)
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gpio: pca953x: Use ARRAY_SIZE instead of reinventing it
Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Marek Vasut <marex@denx.de>
-rw-r--r--drivers/gpio/pca953x.c5
1 files changed, 1 insertions, 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;