diff options
| author | Wolfram Sang <w.sang@pengutronix.de> | 2010-04-01 16:16:59 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-06 08:49:26 +0200 |
| commit | 8f85c0af2388d575a598d2695319ccb7e1b5523c (patch) | |
| tree | 418faa71df9c614d2aa08b2b0b2b1498446f69a8 /drivers | |
| parent | powerpc: Correct parport interrupt parsing (diff) | |
| download | linux-8f85c0af2388d575a598d2695319ccb7e1b5523c.tar.xz linux-8f85c0af2388d575a598d2695319ccb7e1b5523c.zip | |
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>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 6 |
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); |