#include <asm/arch/regs-nand.h>
 #include <asm/arch/nand.h>
 
-#define PFX "s3c2410-nand: "
-
 #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
 static int hardware_ecc = 1;
 #else
        }
 
        if (tacls < 0 || twrph0 < 0 || twrph1 < 0) {
-               printk(KERN_ERR PFX "cannot get timings suitable for board\n");
+               dev_err(info->device, "cannot get suitable timings\n");
                return -EINVAL;
        }
 
-       printk(KERN_INFO PFX "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
+       dev_info(info->device, "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
               tacls, to_ns(tacls, clkrate), twrph0, to_ns(twrph0, clkrate), twrph1, to_ns(twrph1, clkrate));
 
        if (!info->is_s3c2440) {
                       info->regs + S3C2440_NFCONT);
        }
 
-       pr_debug(PFX "NF_CONF is 0x%lx\n", cfg);
+       dev_dbg(info->device, "NF_CONF is 0x%lx\n", cfg);
 
        writel(cfg, info->regs + S3C2410_NFCONF);
        return 0;
                cur |= bit;
        } else {
                if (nmtd->set != NULL && chip > nmtd->set->nr_chips) {
-                       printk(KERN_ERR PFX "chip %d out of range\n", chip);
+                       dev_err(info->device, "invalid chip %d\n", chip);
                        return;
                }