diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-11 17:09:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-11 17:09:24 -0700 |
| commit | 57014123512633ab0c38a4fea4140bf156f6a3a0 (patch) | |
| tree | a46e864f9c508d8228e79928519742af6a42b7e4 /drivers/i2c/busses/i2c-mpc.c | |
| parent | c3921ab71507b108d51a0f1ee960f80cd668a93d (diff) | |
| parent | ae429083efe996ca2c569c44fd6fea440676dc33 (diff) | |
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c: Convert some more new-style drivers to use module aliasing
i2c: Match dummy devices by type
i2c-sibyte: Mark i2c_sibyte_add_bus() as static
i2c-sibyte: Correct a comment about frequency
i2c: Improve the functionality documentation
i2c: Improve smbus-protocol documentation
i2c-piix4: Blacklist two mainboards
i2c-piix4: Increase the intitial delay for the ServerWorks CSB5
i2c-mpc: Compare to NO_IRQ instead of zero
Diffstat (limited to 'drivers/i2c/busses/i2c-mpc.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 18beb0ad7bf..a076129de7e 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -99,7 +99,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) u32 x; int result = 0; - if (i2c->irq == 0) + if (i2c->irq == NO_IRQ) { while (!(readb(i2c->base + MPC_I2C_SR) & CSR_MIF)) { schedule(); @@ -329,10 +329,9 @@ static int fsl_i2c_probe(struct platform_device *pdev) return -ENOMEM; i2c->irq = platform_get_irq(pdev, 0); - if (i2c->irq < 0) { - result = -ENXIO; - goto fail_get_irq; - } + if (i2c->irq < 0) + i2c->irq = NO_IRQ; /* Use polling */ + i2c->flags = pdata->device_flags; init_waitqueue_head(&i2c->queue); @@ -344,7 +343,7 @@ static int fsl_i2c_probe(struct platform_device *pdev) goto fail_map; } - if (i2c->irq != 0) + if (i2c->irq != NO_IRQ) if ((result = request_irq(i2c->irq, mpc_i2c_isr, IRQF_SHARED, "i2c-mpc", i2c)) < 0) { printk(KERN_ERR @@ -367,12 +366,11 @@ static int fsl_i2c_probe(struct platform_device *pdev) return result; fail_add: - if (i2c->irq != 0) + if (i2c->irq != NO_IRQ) free_irq(i2c->irq, i2c); fail_irq: iounmap(i2c->base); fail_map: - fail_get_irq: kfree(i2c); return result; }; @@ -384,7 +382,7 @@ static int fsl_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); platform_set_drvdata(pdev, NULL); - if (i2c->irq != 0) + if (i2c->irq != NO_IRQ) free_irq(i2c->irq, i2c); iounmap(i2c->base); |