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authorLinus Walleij <linus.walleij@linaro.org>2012-10-18 18:22:11 +0200
committerLinus Walleij <linus.walleij@linaro.org>2012-11-05 09:55:34 +0100
commita7238e432539d25726883ed3ee48cd46b5a8fa56 (patch)
treef3a334b87654f94b85fa4e4c4d4fd40c9bbc3b41 /drivers/mfd/db8500-prcmu.c
parentf1d11f394f6e3fc0368e72244fb5ddc4142e804b (diff)
downloadlinux-a7238e432539d25726883ed3ee48cd46b5a8fa56.tar.bz2
mfd/db8500-prcmu: use the irq_domain_add_simple()
To be able to use SPARSE_IRQ while yet not using device tree, we need to use irq_domain_add_simple() that will allocate descriptors for the IRQs in the non-DT case, and fall back to using the linear irqdomain in the DT case. Cc: Lee Jones <lee.jones@linaro.org> Cc: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/mfd/db8500-prcmu.c')
-rw-r--r--drivers/mfd/db8500-prcmu.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index 00b8b0f3dfb6..cea29ba6ce9a 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -2697,9 +2697,15 @@ static struct irq_domain_ops db8500_irq_ops = {
static int db8500_irq_init(struct device_node *np)
{
- db8500_irq_domain = irq_domain_add_legacy(
- np, NUM_PRCMU_WAKEUPS, IRQ_PRCMU_BASE,
- 0, &db8500_irq_ops, NULL);
+ int irq_base = -1;
+
+ /* In the device tree case, just take some IRQs */
+ if (!np)
+ irq_base = IRQ_PRCMU_BASE;
+
+ db8500_irq_domain = irq_domain_add_simple(
+ np, NUM_PRCMU_WAKEUPS, irq_base,
+ &db8500_irq_ops, NULL);
if (!db8500_irq_domain) {
pr_err("Failed to create irqdomain\n");