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path: root/drivers/mfd/sm501.c
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Diffstat (limited to 'drivers/mfd/sm501.c')
-rw-r--r--drivers/mfd/sm501.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 107215b2880..2dfb41aabca 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -999,7 +999,7 @@ static int __devinit sm501_gpio_register_chip(struct sm501_devdata *sm,
struct gpio_chip *gchip = &chip->gpio;
int base = pdata->gpio_base;
- memcpy(chip, &gpio_chip_template, sizeof(struct gpio_chip));
+ chip->gpio = gpio_chip_template;
if (chip == &gpio->high) {
if (base > 0)
@@ -1039,7 +1039,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
if (gpio->regs == NULL) {
dev_err(sm->dev, "gpio: failed to remap registers\n");
ret = -ENXIO;
- goto err_mapped;
+ goto err_claimed;
}
/* Register both our chips. */
@@ -1068,6 +1068,9 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
}
err_mapped:
+ iounmap(gpio->regs);
+
+ err_claimed:
release_resource(gpio->regs_res);
kfree(gpio->regs_res);
@@ -1076,33 +1079,38 @@ static int sm501_register_gpio(struct sm501_devdata *sm)
static void sm501_gpio_remove(struct sm501_devdata *sm)
{
+ struct sm501_gpio *gpio = &sm->gpio;
int ret;
- ret = gpiochip_remove(&sm->gpio.low.gpio);
+ ret = gpiochip_remove(&gpio->low.gpio);
if (ret)
dev_err(sm->dev, "cannot remove low chip, cannot tidy up\n");
- ret = gpiochip_remove(&sm->gpio.high.gpio);
+ ret = gpiochip_remove(&gpio->high.gpio);
if (ret)
dev_err(sm->dev, "cannot remove high chip, cannot tidy up\n");
+
+ iounmap(gpio->regs);
+ release_resource(gpio->regs_res);
+ kfree(gpio->regs_res);
}
-static int sm501_gpio_pin2nr(struct sm501_devdata *sm, unsigned int pin)
+static inline int sm501_gpio_pin2nr(struct sm501_devdata *sm, unsigned int pin)
{
struct sm501_gpio *gpio = &sm->gpio;
return pin + (pin < 32) ? gpio->low.gpio.base : gpio->high.gpio.base;
}
#else
-static int sm501_register_gpio(struct sm501_devdata *sm)
+static inline int sm501_register_gpio(struct sm501_devdata *sm)
{
return 0;
}
-static void sm501_gpio_remove(struct sm501_devdata *sm)
+static inline void sm501_gpio_remove(struct sm501_devdata *sm)
{
}
-static int sm501_gpio_pin2nr(struct sm501_devdata *sm, unsigned int pin)
+static inline int sm501_gpio_pin2nr(struct sm501_devdata *sm, unsigned int pin)
{
return -1;
}