static void i2c_start(struct i2c_algo_pcf_data *adap)
 {
-       DEBPROTO(printk("S "));
+       DEBPROTO(printk(KERN_DEBUG "S "));
        set_pcf(adap, 1, I2C_PCF_START);
 }
 
 
 {
 #ifdef DEBUG_IO
        static char *names[] = { "T/O", "DAT", "ADR", "CON" };
-       printk("*** write %s at %#lx <= %#04x\n", names[reg], base+reg, val);
+       printk(KERN_DEBUG "*** write %s at %#lx <= %#04x\n", names[reg],
+              base+reg, val);
 #endif
        outb(val, base+reg);
 }
 #ifdef DEBUG_IO
        {
                static char *names[] = { "STA", "DAT", "ADR", "CON" };
-               printk("*** read  %s => %#04x\n", names[reg], res);
+               printk(KERN_DEBUG "*** read  %s => %#04x\n", names[reg], res);
        }
 #endif
        return res;
 
        i2c_set_adapdata(adapter, NULL);
        /* We aren't that prepared to deal with this... */
        if (rc)
-               printk("i2c-powermac.c: Failed to remove bus %s !\n",
+               printk(KERN_WARNING
+                      "i2c-powermac.c: Failed to remove bus %s !\n",
                       adapter->name);
        platform_set_drvdata(dev, NULL);
        kfree(adapter);
 
 static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why)
 {
        unsigned int i;
-       printk("i2c: error: %s\n", why);
-       printk("i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
+       printk(KERN_ERR "i2c: error: %s\n", why);
+       printk(KERN_ERR "i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
                i2c->msg_num, i2c->msg_idx, i2c->msg_ptr);
-       printk("i2c: ICR: %08x ISR: %08x\n"
-              "i2c: log: ", readl(_ICR(i2c)), readl(_ISR(i2c)));
+       printk(KERN_ERR "i2c: ICR: %08x ISR: %08x\n",
+              readl(_ICR(i2c)), readl(_ISR(i2c)));
+       printk(KERN_DEBUG "i2c: log: ");
        for (i = 0; i < i2c->irqlogidx; i++)
                printk("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]);
        printk("\n");