[ 139/150] gpio: em: Use irq_domain_add_simple() to fix runtime error

From: Greg Kroah-Hartman
Date: Tue Feb 26 2013 - 19:42:29 EST

3.8-stable review patch. If anyone has any objections, please let me know.


From: Magnus Damm <damm@xxxxxxxxxxxxx>

commit c7886b18273b07042e25e8d3ba5c983837b84123 upstream.

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

Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
Tested-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Reported-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/gpio/gpio-em.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -299,8 +299,9 @@ static int em_gio_probe(struct platform_
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->irq_base,
&em_gio_irq_domain_ops, p);
if (!p->irq_domain) {
ret = -ENXIO;

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