staging: mt7621-gpio: use devm_kasprintf to set gpio banks labels

Instead of using a custom function to return desired name for gpio
use the default assigned one and concat it '-bankN' suffix using
devm_kasprintf kernel function.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c b/drivers/staging/mt7621-gpio/gpio-mt7621.c
index 1b4588a..d7256b5 100644 (file)
--- a/drivers/staging/mt7621-gpio/gpio-mt7621.c
+++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c
@@ -196,15 +196,6 @@ static struct irq_chip mediatek_gpio_irq_chip = {
        .irq_set_type           = mediatek_gpio_irq_type,
 };
 
-static inline const char * const mediatek_gpio_bank_name(int bank)
-{
-       static const char * const bank_names[] = {
-               "mt7621-bank0", "mt7621-bank1", "mt7621-bank2",
-       };
-
-       return bank_names[bank];
-}
-
 static int
 mediatek_gpio_xlate(struct gpio_chip *chip,
                    const struct of_phandle_args *spec, u32 *flags)
@@ -251,7 +242,8 @@ mediatek_gpio_bank_probe(struct platform_device *pdev,
 
        rg->chip.of_gpio_n_cells = 2;
        rg->chip.of_xlate = mediatek_gpio_xlate;
-       rg->chip.label = mediatek_gpio_bank_name(rg->bank);
+       rg->chip.label = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s-bank%d",
+                                       dev_name(&pdev->dev), bank);
 
        ret = devm_gpiochip_add_data(&pdev->dev, &rg->chip, gpio);
        if (ret < 0) {