[PATCH 5/6 v3] mfd: tps65910-irq: Add devicetree init support
Rhyland Klein
rklein at nvidia.com
Wed May 9 04:42:42 EST 2012
Add support for initializing when boot using devicetree. The main difference
is that the irq_base will not be setup, so it needs to be manually handled.
Signed-off-by: Rhyland Klein <rklein at nvidia.com>
---
v3: no change from v2.
v2: split off irq specific changes based on previous review comments.
drivers/mfd/tps65910-irq.c | 21 +++++++++++++++------
1 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c
index 0f1ff7f..066a30f 100644
--- a/drivers/mfd/tps65910-irq.c
+++ b/drivers/mfd/tps65910-irq.c
@@ -180,12 +180,6 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq,
return -EINVAL;
}
- tps65910->irq_mask = 0xFFFFFF;
-
- mutex_init(&tps65910->irq_lock);
- tps65910->chip_irq = irq;
- tps65910->irq_base = pdata->irq_base;
-
switch (tps65910_chip_id(tps65910)) {
case TPS65910:
tps65910->irq_num = TPS65910_NUM_IRQ;
@@ -195,6 +189,21 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq,
break;
}
+ if (pdata->irq_base <= 0)
+ pdata->irq_base = irq_alloc_descs(-1, 0, tps65910->irq_num, -1);
+
+ if (pdata->irq_base <= 0) {
+ dev_err(tps65910->dev, "Failed to allocate irq descs: %d\n",
+ pdata->irq_base);
+ return pdata->irq_base;
+ }
+
+ tps65910->irq_mask = 0xFFFFFF;
+
+ mutex_init(&tps65910->irq_lock);
+ tps65910->chip_irq = irq;
+ tps65910->irq_base = pdata->irq_base;
+
/* Register with genirq */
for (cur_irq = tps65910->irq_base;
cur_irq < tps65910->irq_num + tps65910->irq_base;
--
1.7.0.4
More information about the devicetree-discuss
mailing list