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authorWolfram Sang <w.sang@pengutronix.de>2009-10-04 15:08:16 +0400
committerBen Dooks <ben-linux@fluff.org>2010-05-20 03:19:01 +0400
commitbf727e016f2a25d9f054317b2807e638706f1db6 (patch)
tree76ab4192d5843eb126a92dfe8f80972c879179c3 /drivers/i2c/busses/i2c-mpc.c
parent0e53300818b08591516e5e528b33d70b83158d04 (diff)
downloadlinux-bf727e016f2a25d9f054317b2807e638706f1db6.tar.xz
i2c-mpc: 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: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-mpc.c')
-rw-r--r--drivers/i2c/busses/i2c-mpc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f1321f763789..e86cef300c7d 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -118,7 +118,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
u32 x;
int result = 0;
- if (i2c->irq == NO_IRQ) {
+ if (!i2c->irq) {
while (!(readb(i2c->base + MPC_I2C_SR) & CSR_MIF)) {
schedule();
if (time_after(jiffies, orig_jiffies + timeout)) {
@@ -568,7 +568,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
}
i2c->irq = irq_of_parse_and_map(op->node, 0);
- if (i2c->irq != NO_IRQ) { /* i2c->irq = NO_IRQ implies polling */
+ if (i2c->irq) { /* no i2c->irq implies polling */
result = request_irq(i2c->irq, mpc_i2c_isr,
IRQF_SHARED, "i2c-mpc", i2c);
if (result < 0) {
@@ -627,7 +627,7 @@ static int __devexit fsl_i2c_remove(struct of_device *op)
i2c_del_adapter(&i2c->adap);
dev_set_drvdata(&op->dev, NULL);
- if (i2c->irq != NO_IRQ)
+ if (i2c->irq)
free_irq(i2c->irq, i2c);
irq_dispose_mapping(i2c->irq);