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>
diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c
index 1a33a19..6acf8aa 100644
--- a/drivers/gpio/gpio-xlp.c
+++ b/drivers/gpio/gpio-xlp.c
@@ -388,14 +388,16 @@
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);