i2c/ibm-iic: Drop NO_IRQ
Drop NO_IRQ as 0 is the preferred way to describe 'no irq'
(http://lkml.org/lkml/2005/11/21/221). This change is safe, as the driver is
only used on powerpc, where NO_IRQ is 0 anyhow.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Sean MacLennan <smaclennan@pikatech.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index b1bc6e2..2bef534 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -668,12 +668,12 @@
int irq;
if (iic_force_poll)
- return NO_IRQ;
+ return 0;
irq = irq_of_parse_and_map(np, 0);
- if (irq == NO_IRQ) {
+ if (!irq) {
dev_err(&ofdev->dev, "irq_of_parse_and_map failed\n");
- return NO_IRQ;
+ return 0;
}
/* Disable interrupts until we finish initialization, assumes
@@ -683,7 +683,7 @@
if (request_irq(irq, iic_handler, 0, "IBM IIC", dev)) {
dev_err(&ofdev->dev, "request_irq %d failed\n", irq);
/* Fallback to the polling mode */
- return NO_IRQ;
+ return 0;
}
return irq;
@@ -719,7 +719,7 @@
init_waitqueue_head(&dev->wq);
dev->irq = iic_request_irq(ofdev, dev);
- if (dev->irq == NO_IRQ)
+ if (!dev->irq)
dev_warn(&ofdev->dev, "using polling mode\n");
/* Board specific settings */
@@ -766,7 +766,7 @@
return 0;
error_cleanup:
- if (dev->irq != NO_IRQ) {
+ if (dev->irq) {
iic_interrupt_mode(dev, 0);
free_irq(dev->irq, dev);
}
@@ -790,7 +790,7 @@
i2c_del_adapter(&dev->adap);
- if (dev->irq != NO_IRQ) {
+ if (dev->irq) {
iic_interrupt_mode(dev, 0);
free_irq(dev->irq, dev);
}