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authorWolfram Sang <w.sang@pengutronix.de>2009-10-04 13:08:16 +0200
committerBen Dooks <ben-linux@fluff.org>2010-05-20 00:19:01 +0100
commitf0ec9e20bab214f4a26e6fdaaf5c2a6b2f2640d7 (patch)
tree9c277c9500f2aadb9914d64159af3970785d9f6c /drivers/i2c/busses/i2c-ibm_iic.c
parentb865a4e7ab3c6c8099fbe83ddf94c982d1d850ea (diff)
downloadlinux-f0ec9e20bab214f4a26e6fdaaf5c2a6b2f2640d7.tar.bz2
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> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Cc: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-ibm_iic.c')
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index b1bc6e277d2a..2bef534cbff1 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -668,12 +668,12 @@ static int __devinit iic_request_irq(struct of_device *ofdev,
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 @@ static int __devinit iic_request_irq(struct of_device *ofdev,
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 @@ static int __devinit iic_probe(struct of_device *ofdev,
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 @@ static int __devinit iic_probe(struct of_device *ofdev,
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 @@ static int __devexit iic_remove(struct of_device *ofdev)
i2c_del_adapter(&dev->adap);
- if (dev->irq != NO_IRQ) {
+ if (dev->irq) {
iic_interrupt_mode(dev, 0);
free_irq(dev->irq, dev);
}