gpio/mxs: adopt irq_domain support for mxs gpio driver

Remove irq_domain_add_legacy call from mach-mxs.c and have the gpio
driver adopt irqdomain support, so that we can have the mapping
between gpio and irq number available without using virtual_irq_start
and MXS_GPIO_IRQ_START.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 12 deletions

diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c
index 8dabfe81d07c..78bf07a8cd3c 100644
--- a/arch/arm/mach-mxs/mach-mxs.c
+++ b/arch/arm/mach-mxs/mach-mxs.c
@@ -113,20 +113,8 @@ static int __init mxs_icoll_add_irq_domain(struct device_node *np,
         return 0;
 }
 
-static int __init mxs_gpio_add_irq_domain(struct device_node *np,
-                                struct device_node *interrupt_parent)
-{
-        static int gpio_irq_base = MXS_GPIO_IRQ_START;
-
-        irq_domain_add_legacy(np, 32, gpio_irq_base, 0, &irq_domain_simple_ops, NULL);
-        gpio_irq_base += 32;
-
-        return 0;
-}
-
 static const struct of_device_id mxs_irq_match[] __initconst = {
         { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, },
-        { .compatible = "fsl,mxs-gpio", .data = mxs_gpio_add_irq_domain, },
         { /* sentinel */ }
 };