gpio: em: Use irq_domain_add_simple() to fix runtime error

Adjust the gpio-em.c driver to reconsider the pdata->irq_base
variable. Non-DT board code like for instance board-kzm9d.c
needs to operate of a static IRQ range for platform devices.

So this patch is updating the code to make use of the function
irq_domain_add_simple() instead of irq_domain_add_linear().

Fixes a EMEV2 / KZM9D runtime error caused by the following commit:
7385500 gpio/em: convert to linear IRQ domain

Cc: stable@kernel.org
Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Reported-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index bdc8302e711a..deca78f99316 100644
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -299,8 +299,9 @@ static int em_gio_probe(struct platform_device *pdev)
         irq_chip->irq_set_type = em_gio_irq_set_type;
         irq_chip->flags = IRQCHIP_SKIP_SET_WAKE;
 
-        p->irq_domain = irq_domain_add_linear(pdev->dev.of_node,
+        p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
                                               pdata->number_of_pins,
+                                              pdata->irq_base,
                                               &em_gio_irq_domain_ops, p);
         if (!p->irq_domain) {
                 ret = -ENXIO;