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gpio: xlp: Fix vulcan IRQ descriptor allocation 

irq_alloc_descs need not be called in case of Vulcan, where we use
a dynamic IRQ range for GPIO interrupt numbers.

Update code not to call irq_alloc_descs and pass 0 as irq_base in
case of Vulcan.

Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Kamlakant Patel 2016-06-05 14:00:43 +05:30 committed by Linus Walleij
parent 1bdb5c8e03
commit 1630a0624a
1 changed files with 9 additions and 7 deletions
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16
drivers/gpio/gpio-xlp.c
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@ -388,14 +388,16 @@ static int xlp_gpio_probe(struct platform_device *pdev)
gc->get = xlp_gpio_get;
spin_lock_init(&priv->lock);
/* XLP has fixed IRQ range for GPIO interrupts */
if (soc_type == GPIO_VARIANT_VULCAN)
irq_base = irq_alloc_descs(-1, 0, gc->ngpio, 0);
else
/* XLP(MIPS) has fixed range for GPIO IRQs, Vulcan(ARM64) does not */
if (soc_type != GPIO_VARIANT_VULCAN) {
irq_base = irq_alloc_descs(-1, XLP_GPIO_IRQ_BASE, gc->ngpio, 0);
if (irq_base < 0) {
dev_err(&pdev->dev, "Failed to allocate IRQ numbers\n");
return irq_base;
if (irq_base < 0) {
dev_err(&pdev->dev, "Failed to allocate IRQ numbers\n");
return irq_base;
}
} else {
irq_base = 0;
}
err = gpiochip_add_data(gc, priv);