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mfd: rdc321x: Fix off-by-one for ngpio setting 

The valid gpio is GPIO0 ~ GPIO58, so ngpio should be 59.
This patch also renames RDC321X_MAX_GPIO to RDC321X_NUM_GPIO because it
actually means the number of available GPIOs.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
hifive-unleashed-5.1
Axel Lin 2014-04-25 09:24:21 +08:00 committed by Lee Jones
parent 51f1f1cb24
commit 1ec93b9b17
2 changed files with 2 additions and 2 deletions
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2
drivers/mfd/rdc321x-southbridge.c
View File

@ -38,7 +38,7 @@ static struct resource rdc321x_wdt_resource[] = {
};
static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = {
.max_gpios = RDC321X_MAX_GPIO,
.max_gpios = RDC321X_NUM_GPIO,
};
static struct resource rdc321x_gpio_resources[] = {

2
include/linux/mfd/rdc321x.h
View File

@ -12,7 +12,7 @@
#define RDC321X_GPIO_CTRL_REG2 0x84
#define RDC321X_GPIO_DATA_REG2 0x88
#define RDC321X_MAX_GPIO 58
#define RDC321X_NUM_GPIO 59
struct rdc321x_gpio_pdata {
struct pci_dev *sb_pdev;