The MXS driver tries to do the work of irq_domain_add_linear()
by reserving a bunch of descriptors somewhere and keeping track
of the base offset, then calling irq_domain_add_legacy(). Let's
stop doing that and simply use the linear IRQ domain.
Cc: Rob Herring <rob.herr...@calxeda.com>
Cc: Grant Likely <grant.lik...@secretlab.ca>
Cc: Stephen Warren <swar...@nvidia.com>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/gpio/gpio-tegra.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index d982593..0234162 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -380,7 +380,6 @@ static int __devinit tegra_gpio_probe(struct
platform_device *pdev)
{
const struct of_device_id *match;
struct tegra_gpio_soc_config *config;
- int irq_base;
struct resource *res;
struct tegra_gpio_bank *bank;
int gpio;
@@ -417,14 +416,11 @@ static int __devinit tegra_gpio_probe(struct
platform_device *pdev)
return -ENODEV;
}
- irq_base = irq_alloc_descs(-1, 0, tegra_gpio_chip.ngpio, 0);
- if (irq_base < 0) {
- dev_err(&pdev->dev, "Couldn't allocate IRQ numbers\n");
- return -ENODEV;
- }
- irq_domain = irq_domain_add_legacy(pdev->dev.of_node,
- tegra_gpio_chip.ngpio, irq_base, 0,
+ irq_domain = irq_domain_add_linear(pdev->dev.of_node,
+ tegra_gpio_chip.ngpio,
&irq_domain_simple_ops, NULL);
+ if (!irq_domain)
+ return -ENODEV;
for (i = 0; i < tegra_gpio_bank_count; i++) {
res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
--
1.7.11.7
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