From 6054b9cae24f7ff09e502cea408dad140210681a Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Wed, 26 Sep 2012 19:03:51 +0200 Subject: [PATCH] pinctrl/nomadik: use simple or linear IRQ domain This alters the Nomadik pinctrl driver to: - Call irqdomain_add_linear() for the DT case so we get all independent from IRQ numbers in this case. - Call irqdomain_add_simple() for the legacy case, which allocates the IRQ descriptors for the Nomadik pin controller dynamically. Cc: Lee Jones Cc: Rob Herring Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-nomadik.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 67a5ef6..fec9c30 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -1371,9 +1371,19 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) platform_set_drvdata(dev, nmk_chip); - nmk_chip->domain = irq_domain_add_legacy(np, NMK_GPIO_PER_CHIP, - NOMADIK_GPIO_TO_IRQ(pdata->first_gpio), - 0, &nmk_gpio_irq_simple_ops, nmk_chip); + if (np) { + /* The DT case will just grab a set of IRQ numbers */ + nmk_chip->domain = irq_domain_add_linear(np, NMK_GPIO_PER_CHIP, + &nmk_gpio_irq_simple_ops, nmk_chip); + } else { + /* Non-DT legacy mode, use hardwired IRQ numbers */ + int irq_start; + + irq_start = NOMADIK_GPIO_TO_IRQ(pdata->first_gpio); + nmk_chip->domain = irq_domain_add_simple(NULL, + NMK_GPIO_PER_CHIP, irq_start, + &nmk_gpio_irq_simple_ops, nmk_chip); + } if (!nmk_chip->domain) { dev_err(&dev->dev, "failed to create irqdomain\n"); ret = -ENOSYS; -- 2.7.4