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path: root/drivers/gpio/gpio-davinci.c
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Diffstat (limited to 'drivers/gpio/gpio-davinci.c')
-rw-r--r--drivers/gpio/gpio-davinci.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 65cb359308e3..f75d8443ecaf 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -166,7 +166,7 @@ of_err:
static int davinci_gpio_probe(struct platform_device *pdev)
{
static int ctrl_num, bank_base;
- int gpio, bank;
+ int gpio, bank, ret = 0;
unsigned ngpio, nbank;
struct davinci_gpio_controller *chips;
struct davinci_gpio_platform_data *pdata;
@@ -232,10 +232,23 @@ static int davinci_gpio_probe(struct platform_device *pdev)
for (gpio = 0, bank = 0; gpio < ngpio; gpio += 32, bank++)
chips->regs[bank] = gpio_base + offset_array[bank];
- gpiochip_add_data(&chips->chip, chips);
+ ret = devm_gpiochip_add_data(dev, &chips->chip, chips);
+ if (ret)
+ goto err;
+
platform_set_drvdata(pdev, chips);
- davinci_gpio_irq_setup(pdev);
+ ret = davinci_gpio_irq_setup(pdev);
+ if (ret)
+ goto err;
+
return 0;
+
+err:
+ /* Revert the static variable increments */
+ ctrl_num--;
+ bank_base -= ngpio;
+
+ return ret;
}
/*--------------------------------------------------------------------------*/
@@ -477,8 +490,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
clk = devm_clk_get(dev, "gpio");
if (IS_ERR(clk)) {
- printk(KERN_ERR "Error %ld getting gpio clock?\n",
- PTR_ERR(clk));
+ dev_err(dev, "Error %ld getting gpio clock\n", PTR_ERR(clk));
return PTR_ERR(clk);
}
ret = clk_prepare_enable(clk);