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Commit 54377cd0 authored by Wolfgang Grandegger's avatar Wolfgang Grandegger Committed by Ben Dooks
Browse files

i2c: i2c-mpc: use dev based printout function 



This patch used the dev_dbg, dev_err, etc. functions for debug
and error output instead of printk and pr_debug.

Signed-off-by: default avatarWolfgang Grandegger <wg@grandegger.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 8101a300

drivers/i2c/busses/i2c-mpc.c

+17 −14
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ 
#define CSR_RXAK 0x01



struct mpc_i2c {

	struct device *dev;

	void __iomem *base;

	u32 interrupt;

	wait_queue_head_t queue;
@@ -104,7 +105,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) 
		while (!(readb(i2c->base + MPC_I2C_SR) & CSR_MIF)) {

			schedule();

			if (time_after(jiffies, orig_jiffies + timeout)) {

				pr_debug("I2C: timeout\n");

				dev_dbg(i2c->dev, "timeout\n");

				writeccr(i2c, 0);

				result = -EIO;

				break;
@@ -118,7 +119,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) 
			(i2c->interrupt & CSR_MIF), timeout);



		if (unlikely(!(i2c->interrupt & CSR_MIF))) {

			pr_debug("I2C: wait timeout\n");

			dev_dbg(i2c->dev, "wait timeout\n");

			writeccr(i2c, 0);

			result = -ETIMEDOUT;

		}
@@ -131,17 +132,17 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) 
		return result;



	if (!(x & CSR_MCF)) {

		pr_debug("I2C: unfinished\n");

		dev_dbg(i2c->dev, "unfinished\n");

		return -EIO;

	}



	if (x & CSR_MAL) {

		pr_debug("I2C: MAL\n");

		dev_dbg(i2c->dev, "MAL\n");

		return -EIO;

	}



	if (writing && (x & CSR_RXAK)) {

		pr_debug("I2C: No RXAK\n");

		dev_dbg(i2c->dev, "No RXAK\n");

		/* generate stop */

		writeccr(i2c, CCR_MEN);

		return -EIO;
@@ -263,12 +264,12 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) 
	/* Allow bus up to 1s to become not busy */

	while (readb(i2c->base + MPC_I2C_SR) & CSR_MBB) {

		if (signal_pending(current)) {

			pr_debug("I2C: Interrupted\n");

			dev_dbg(i2c->dev, "Interrupted\n");

			writeccr(i2c, 0);

			return -EINTR;

		}

		if (time_after(jiffies, orig_jiffies + HZ)) {

			pr_debug("I2C: timeout\n");

			dev_dbg(i2c->dev, "timeout\n");

			if (readb(i2c->base + MPC_I2C_SR) ==

			    (CSR_MCF | CSR_MBB | CSR_RXAK))

				mpc_i2c_fixup(i2c);
@@ -279,7 +280,8 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) 


	for (i = 0; ret >= 0 && i < num; i++) {

		pmsg = &msgs[i];

		pr_debug("Doing %s %d bytes to 0x%02x - %d of %d messages\n",

		dev_dbg(i2c->dev,

			"Doing %s %d bytes to 0x%02x - %d of %d messages\n",

			pmsg->flags & I2C_M_RD ? "read" : "write",

			pmsg->len, pmsg->addr, i + 1, num);

		if (pmsg->flags & I2C_M_RD)
@@ -320,6 +322,8 @@ static int __devinit fsl_i2c_probe(struct of_device *op, 
	if (!i2c)

		return -ENOMEM;



	i2c->dev = &op->dev; /* for debug and error output */



	if (of_get_property(op->node, "dfsrr", NULL))

		i2c->flags |= FSL_I2C_DEV_SEPARATE_DFSRR;
@@ -331,7 +335,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op, 


	i2c->base = of_iomap(op->node, 0);

	if (!i2c->base) {

		printk(KERN_ERR "i2c-mpc - failed to map controller\n");

		dev_err(i2c->dev, "failed to map controller\n");

		result = -ENOMEM;

		goto fail_map;

	}
@@ -341,8 +345,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op, 
		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");

			dev_err(i2c->dev, "failed to attach interrupt\n");

			goto fail_request;

		}

	}
@@ -357,7 +360,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op, 


	result = i2c_add_adapter(&i2c->adap);

	if (result < 0) {

		printk(KERN_ERR "i2c-mpc - failed to add adapter\n");

		dev_err(i2c->dev, "failed to add adapter\n");

		goto fail_add;

	}

	of_register_i2c_devices(&i2c->adap, op->node);