diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 26bf3701058..1215686bd3c 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -20,7 +20,7 @@ #include <linux/of_platform.h> #include <linux/of_i2c.h> -#include <asm/io.h> +#include <linux/io.h> #include <linux/fsl_devices.h> #include <linux/i2c.h> #include <linux/interrupt.h> @@ -28,10 +28,10 @@ #define DRV_NAME "mpc-i2c" -#define MPC_I2C_FDR 0x04 -#define MPC_I2C_CR 0x08 -#define MPC_I2C_SR 0x0c -#define MPC_I2C_DR 0x10 +#define MPC_I2C_FDR 0x04 +#define MPC_I2C_CR 0x08 +#define MPC_I2C_SR 0x0c +#define MPC_I2C_DR 0x10 #define MPC_I2C_DFSRR 0x14 #define CCR_MEN 0x80 @@ -58,7 +58,7 @@ struct mpc_i2c { u32 flags; }; -static __inline__ void writeccr(struct mpc_i2c *i2c, u32 x) +static inline void writeccr(struct mpc_i2c *i2c, u32 x) { writeb(x, i2c->base + MPC_I2C_CR); } @@ -100,8 +100,7 @@ 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 == NO_IRQ) { while (!(readb(i2c->base + MPC_I2C_SR) & CSR_MIF)) { schedule(); if (time_after(jiffies, orig_jiffies + timeout)) { @@ -176,7 +175,7 @@ static void mpc_i2c_stop(struct mpc_i2c *i2c) } static int mpc_write(struct mpc_i2c *i2c, int target, - const u8 * data, int length, int restart) + const u8 *data, int length, int restart) { int i, result; unsigned timeout = i2c->adap.timeout; @@ -207,7 +206,7 @@ static int mpc_write(struct mpc_i2c *i2c, int target, } static int mpc_read(struct mpc_i2c *i2c, int target, - u8 * data, int length, int restart) + u8 *data, int length, int restart) { unsigned timeout = i2c->adap.timeout; int i, result; @@ -311,7 +310,8 @@ static struct i2c_adapter mpc_ops = { .timeout = HZ, }; -static int __devinit fsl_i2c_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit fsl_i2c_probe(struct of_device *op, + const struct of_device_id *match) { int result = 0; struct mpc_i2c *i2c; @@ -341,11 +341,12 @@ static int __devinit fsl_i2c_probe(struct of_device *op, const struct of_device_ result = request_irq(i2c->irq, mpc_i2c_isr, IRQF_SHARED, "i2c-mpc", i2c); if (result < 0) { - printk(KERN_ERR "i2c-mpc - failed to attach interrupt\n"); + printk(KERN_ERR + "i2c-mpc - failed to attach interrupt\n"); goto fail_request; } } - + mpc_i2c_setclock(i2c); dev_set_drvdata(&op->dev, i2c); @@ -368,7 +369,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op, const struct of_device_ free_irq(i2c->irq, i2c); fail_request: irq_dispose_mapping(i2c->irq); - iounmap(i2c->base); + iounmap(i2c->base); fail_map: kfree(i2c); return result; @@ -414,7 +415,7 @@ static int __init fsl_i2c_init(void) rv = of_register_platform_driver(&mpc_i2c_driver); if (rv) - printk(KERN_ERR DRV_NAME + printk(KERN_ERR DRV_NAME " of_register_platform_driver failed (%i)\n", rv); return rv; } @@ -428,6 +429,6 @@ module_init(fsl_i2c_init); module_exit(fsl_i2c_exit); MODULE_AUTHOR("Adrian Cox <adrian@humboldt.co.uk>"); -MODULE_DESCRIPTION - ("I2C-Bus adapter for MPC107 bridge and MPC824x/85xx/52xx processors"); +MODULE_DESCRIPTION("I2C-Bus adapter for MPC107 bridge and " + "MPC824x/85xx/52xx processors"); MODULE_LICENSE("GPL"); |