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SubjectRe: [PATCH NAND v3] mtd: nand: Replace printk() with appropriate pr_*() macro
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On Thu, 2018-02-22 at 18:40 +0530, Shreeya Patel wrote:
> The log levels embedded with the name are more concise than
> printk.
> Replace printks having a log level with the appropriate
> pr_*macro.
> Define pr_fmt() and remove other additional macros from
> some of the replaced printks.
>
> Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
> ---
>
> Changes in v2
>   -Merge previous patches of the patchset regarding replacement
> of printk with pr_*macro, into single patch.
>
> Changes in v3
>   -Define pr_fmt() and remove other additional macros from
> some of the replaced printks. Also add some more changed printks
> to pr_*() macro into the patch.
>
>  drivers/mtd/nand/ams-delta.c     |  4 +--
>  drivers/mtd/nand/cafe_nand.c     |  4 +--
>  drivers/mtd/nand/cs553x_nand.c   |  9 ++---
>  drivers/mtd/nand/diskonchip.c    | 76 +++++++++++++++++++++---------
> ----------
>  drivers/mtd/nand/fsl_elbc_nand.c |  4 +--
>  drivers/mtd/nand/fsl_ifc_nand.c  |  2 +-
>  drivers/mtd/nand/mxc_nand.c      |  2 +-
>  drivers/mtd/nand/nand_bch.c      | 12 +++----
>  drivers/mtd/nand/nandsim.c       | 15 ++++----
>  drivers/mtd/nand/r852.c          |  5 ++-
>  drivers/mtd/nand/r852.h          |  8 ++---
>  drivers/mtd/nand/sh_flctl.c      |  2 +-
>  drivers/mtd/nand/sm_common.c     |  5 ++-
>  13 files changed, 77 insertions(+), 71 deletions(-)
>
> diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-
> delta.c
> index dcec9cf..e120ce9 100644
> --- a/drivers/mtd/nand/ams-delta.c
> +++ b/drivers/mtd/nand/ams-delta.c
> @@ -185,7 +185,7 @@ static int ams_delta_init(struct platform_device
> *pdev)
>   /* Allocate memory for MTD device structure and private data
> */
>   this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
>   if (!this) {
> - printk (KERN_WARNING "Unable to allocate E3 NAND MTD
> device structure.\n");
> + pr_warn("Unable to allocate E3 NAND MTD device
> structure.\n");
>   err = -ENOMEM;
>   goto out;
>   }
> @@ -219,7 +219,7 @@ static int ams_delta_init(struct platform_device
> *pdev)
>   this->dev_ready = ams_delta_nand_ready;
>   } else {
>   this->dev_ready = NULL;
> - printk(KERN_NOTICE "Couldn't request gpio for Delta
> NAND ready.\n");
> + pr_notice("Couldn't request gpio for Delta NAND
> ready.\n");
>   }
>   /* 25 us command delay time */
>   this->chip_delay = 30;
> diff --git a/drivers/mtd/nand/cafe_nand.c
> b/drivers/mtd/nand/cafe_nand.c
> index bc558c4..1e84a6e 100644
> --- a/drivers/mtd/nand/cafe_nand.c
> +++ b/drivers/mtd/nand/cafe_nand.c
> @@ -773,8 +773,8 @@ static int cafe_nand_probe(struct pci_dev *pdev,
>   cafe->nand.bbt_td = &cafe_bbt_main_descr_512;
>   cafe->nand.bbt_md = &cafe_bbt_mirror_descr_512;
>   } else {
> - printk(KERN_WARNING "Unexpected NAND flash writesize
> %d. Aborting\n",
> -        mtd->writesize);
> + pr_warn("Unexpected NAND flash writesize %d.
> Aborting\n",
> + mtd->writesize);
>   goto out_free_dma;
>   }
>   cafe->nand.ecc.mode = NAND_ECC_HW_SYNDROME;
> diff --git a/drivers/mtd/nand/cs553x_nand.c
> b/drivers/mtd/nand/cs553x_nand.c
> index d488775..1fe3c8a 100644
> --- a/drivers/mtd/nand/cs553x_nand.c
> +++ b/drivers/mtd/nand/cs553x_nand.c
> @@ -189,10 +189,11 @@ static int __init cs553x_init_one(int cs, int
> mmio, unsigned long adr)
>   struct nand_chip *this;
>   struct mtd_info *new_mtd;
>  
> - printk(KERN_NOTICE "Probing CS553x NAND controller CS#%d at
> %sIO 0x%08lx\n", cs, mmio?"MM":"P", adr);
> + pr_notice("Probing CS553x NAND controller CS#%d at %sIO
> 0x%08lx\n",
> +   cs, mmio?"MM":"P", adr);
>  
>   if (!mmio) {
> - printk(KERN_NOTICE "PIO mode not yet implemented for
> CS553X NAND controller\n");
> + pr_notice("PIO mode not yet implemented for CS553X
> NAND controller\n");
>   return -ENXIO;
>   }
>  
> @@ -211,7 +212,7 @@ static int __init cs553x_init_one(int cs, int
> mmio, unsigned long adr)
>   /* map physical address */
>   this->IO_ADDR_R = this->IO_ADDR_W = ioremap(adr, 4096);
>   if (!this->IO_ADDR_R) {
> - printk(KERN_WARNING "ioremap cs553x NAND @0x%08lx
> failed\n", adr);
> + pr_warn("ioremap cs553x NAND @0x%08lx failed\n",
> adr);
>   err = -EIO;
>   goto out_mtd;
>   }
> @@ -295,7 +296,7 @@ static int __init cs553x_init(void)
>   /* If it doesn't have the NAND controller enabled, abort */
>   rdmsrl(MSR_DIVIL_BALL_OPTS, val);
>   if (val & PIN_OPT_IDE) {
> - printk(KERN_INFO "CS553x NAND controller: Flash I/O
> not enabled in MSR_DIVIL_BALL_OPTS.\n");
> + pr_info("CS553x NAND controller: Flash I/O not
> enabled in MSR_DIVIL_BALL_OPTS.\n");
>   return -ENXIO;
>   }
>  
> diff --git a/drivers/mtd/nand/diskonchip.c
> b/drivers/mtd/nand/diskonchip.c
> index c3aa53c..8643512 100644
> --- a/drivers/mtd/nand/diskonchip.c
> +++ b/drivers/mtd/nand/diskonchip.c
> @@ -411,7 +411,7 @@ static uint16_t __init doc200x_ident_chip(struct
> mtd_info *mtd, int nr)
>  
>   ident.dword = readl(docptr + DoC_2k_CDSN_IO);
>   if (((ident.byte[0] << 8) | ident.byte[1]) == ret) {
> - printk(KERN_INFO "DiskOnChip 2000 responds
> to DWORD access\n");
> + pr_info("DiskOnChip 2000 responds to DWORD
> access\n");
>   this->read_buf = &doc2000_readbuf_dword;
>   }
>   }
> @@ -438,7 +438,7 @@ static void __init doc2000_count_chips(struct
> mtd_info *mtd)
>   break;
>   }
>   doc->chips_per_floor = i;
> - printk(KERN_DEBUG "Detected %d chips per floor.\n", i);
> + pr_debug("Detected %d chips per floor.\n", i);
>  }
>  
>  static int doc200x_wait(struct mtd_info *mtd, struct nand_chip
> *this)
> @@ -935,14 +935,15 @@ static int doc200x_correct_data(struct mtd_info
> *mtd, u_char *dat,
>  
>   ret = doc_ecc_decode(rs_decoder, dat, calc_ecc);
>   if (ret > 0)
> - printk(KERN_ERR "doc200x_correct_data
> corrected %d errors\n", ret);
> + pr_err("doc200x_correct_data corrected %d
> errors\n",
> +        ret);
>   }
>   if (DoC_is_MillenniumPlus(doc))
>   WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
>   else
>   WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
>   if (no_ecc_failures && mtd_is_eccerr(ret)) {
> - printk(KERN_ERR "suppressing ECC failure\n");
> + pr_err("suppressing ECC failure\n");
>   ret = 0;
>   }
>   return ret;
> @@ -1015,11 +1016,11 @@ static int __init find_media_headers(struct
> mtd_info *mtd, u_char *buf, const ch
>   if (retlen != mtd->writesize)
>   continue;
>   if (ret) {
> - printk(KERN_WARNING "ECC error scanning DOC
> at 0x%x\n", offs);
> + pr_warn("ECC error scanning DOC at 0x%x\n",
> offs);
>   }
>   if (memcmp(buf, id, 6))
>   continue;
> - printk(KERN_INFO "Found DiskOnChip %s Media Header
> at 0x%x\n", id, offs);
> + pr_info("Found DiskOnChip %s Media Header at
> 0x%x\n", id, offs);
>   if (doc->mh0_page == -1) {
>   doc->mh0_page = offs >> this->page_shift;
>   if (!findmirror)
> @@ -1030,7 +1031,7 @@ static int __init find_media_headers(struct
> mtd_info *mtd, u_char *buf, const ch
>   return 2;
>   }
>   if (doc->mh0_page == -1) {
> - printk(KERN_WARNING "DiskOnChip %s Media Header not
> found.\n", id);
> + pr_warn("DiskOnChip %s Media Header not found.\n",
> id);
>   return 0;
>   }
>   /* Only one mediaheader was found.  We want buf to contain a
> @@ -1039,7 +1040,7 @@ static int __init find_media_headers(struct
> mtd_info *mtd, u_char *buf, const ch
>   ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
>   if (retlen != mtd->writesize) {
>   /* Insanity.  Give up. */
> - printk(KERN_ERR "Read DiskOnChip Media Header once,
> but can't reread it???\n");
> + pr_err("Read DiskOnChip Media Header once, but can't
> reread it???\n");
>   return 0;
>   }
>   return 1;
> @@ -1069,11 +1070,11 @@ static inline int __init nftl_partscan(struct
> mtd_info *mtd, struct mtd_partitio
>   le16_to_cpus(&mh->FirstPhysicalEUN);
>   le32_to_cpus(&mh->FormattedSize);
>  
> - printk(KERN_INFO "    DataOrgID        = %s\n"
> -  "    NumEraseUnits    = %d\n"
> -  "    FirstPhysicalEUN = %d\n"
> -  "    FormattedSize    = %d\n"
> -  "    UnitSizeFactor   = %d\n",
> + pr_info("    DataOrgID        = %s\n"
> + "    NumEraseUnits    = %d\n"
> + "    FirstPhysicalEUN = %d\n"
> + "    FormattedSize    = %d\n"
> + "    UnitSizeFactor   = %d\n",
>   mh->DataOrgID, mh->NumEraseUnits,
>   mh->FirstPhysicalEUN, mh->FormattedSize,
>   mh->UnitSizeFactor);
> @@ -1093,7 +1094,7 @@ static inline int __init nftl_partscan(struct
> mtd_info *mtd, struct mtd_partitio
>   maxblocks = min(32768U, (maxblocks << 1) +
> psize);
>   mh->UnitSizeFactor--;
>   }
> - printk(KERN_WARNING "UnitSizeFactor=0x00
> detected.  Correct value is assumed to be 0x%02x.\n", mh-
> >UnitSizeFactor);
> + pr_warn("UnitSizeFactor=0x00 detected.  Correct
> value is assumed to be 0x%02x.\n", mh->UnitSizeFactor);
>   }
>  
>   /* NOTE: The lines below modify internal variables of the
> NAND and MTD
> @@ -1104,13 +1105,13 @@ static inline int __init nftl_partscan(struct
> mtd_info *mtd, struct mtd_partitio
>   if (mh->UnitSizeFactor != 0xff) {
>   this->bbt_erase_shift += (0xff - mh-
> >UnitSizeFactor);
>   mtd->erasesize <<= (0xff - mh->UnitSizeFactor);
> - printk(KERN_INFO "Setting virtual erase size to
> %d\n", mtd->erasesize);
> + pr_info("Setting virtual erase size to %d\n", mtd-
> >erasesize);
>   blocks = mtd->size >> this->bbt_erase_shift;
>   maxblocks = min(32768U, mtd->erasesize - psize);
>   }
>  
>   if (blocks > maxblocks) {
> - printk(KERN_ERR "UnitSizeFactor of 0x%02x is
> inconsistent with device size.  Aborting.\n", mh->UnitSizeFactor);
> + pr_err("UnitSizeFactor of 0x%02x is inconsistent
> with device size.  Aborting.\n", mh->UnitSizeFactor);
>   goto out;
>   }
>  
> @@ -1181,14 +1182,14 @@ static inline int __init
> inftl_partscan(struct mtd_info *mtd, struct mtd_partiti
>   le32_to_cpus(&mh->FormatFlags);
>   le32_to_cpus(&mh->PercentUsed);
>  
> - printk(KERN_INFO "    bootRecordID          = %s\n"
> -  "    NoOfBootImageBlocks   = %d\n"
> -  "    NoOfBinaryPartitions  = %d\n"
> -  "    NoOfBDTLPartitions    = %d\n"
> -  "    BlockMultiplerBits    = %d\n"
> -  "    FormatFlgs            = %d\n"
> -  "    OsakVersion           = %d.%d.%d.%d\n"
> -  "    PercentUsed           = %d\n",
> + pr_info("    bootRecordID          = %s\n"
> + "    NoOfBootImageBlocks   = %d\n"
> + "    NoOfBinaryPartitions  = %d\n"
> + "    NoOfBDTLPartitions    = %d\n"
> + "    BlockMultiplerBits    = %d\n"
> + "    FormatFlgs            = %d\n"
> + "    OsakVersion           = %d.%d.%d.%d\n"
> + "    PercentUsed           = %d\n",
>   mh->bootRecordID, mh->NoOfBootImageBlocks,
>   mh->NoOfBinaryPartitions,
>   mh->NoOfBDTLPartitions,
> @@ -1203,13 +1204,13 @@ static inline int __init
> inftl_partscan(struct mtd_info *mtd, struct mtd_partiti
>  
>   blocks = mtd->size >> vshift;
>   if (blocks > 32768) {
> - printk(KERN_ERR "BlockMultiplierBits=%d is
> inconsistent with device size.  Aborting.\n", mh-
> >BlockMultiplierBits);
> + pr_err("BlockMultiplierBits=%d is inconsistent with
> device size.  Aborting.\n", mh->BlockMultiplierBits);
>   goto out;
>   }
>  
>   blocks = doc->chips_per_floor << (this->chip_shift - this-
> >phys_erase_shift);
>   if (inftl_bbt_write && (blocks > mtd->erasesize)) {
> - printk(KERN_ERR "Writeable BBTs spanning more than
> one erase block are not yet supported.  FIX ME!\n");
> + pr_err("Writeable BBTs spanning more than one erase
> block are not yet supported.  FIX ME!\n");
>   goto out;
>   }
>  
> @@ -1223,7 +1224,7 @@ static inline int __init inftl_partscan(struct
> mtd_info *mtd, struct mtd_partiti
>   le32_to_cpus(&ip->spareUnits);
>   le32_to_cpus(&ip->Reserved0);
>  
> - printk(KERN_INFO "    PARTITION[%d] ->\n"
> + pr_info("    PARTITION[%d] ->\n"
>   "        virtualUnits    = %d\n"
>   "        firstUnit       = %d\n"
>   "        lastUnit        = %d\n"
> @@ -1309,7 +1310,7 @@ static int __init inftl_scan_bbt(struct
> mtd_info *mtd)
>   struct mtd_partition parts[5];
>  
>   if (this->numchips > doc->chips_per_floor) {
> - printk(KERN_ERR "Multi-floor INFTL devices not yet
> supported.\n");
> + pr_err("Multi-floor INFTL devices not yet
> supported.\n");
>   return -EIO;
>   }
>  
> @@ -1437,7 +1438,8 @@ static int __init doc_probe(unsigned long
> physadr)
>   return -EBUSY;
>   virtadr = ioremap(physadr, DOC_IOREMAP_LEN);
>   if (!virtadr) {
> - printk(KERN_ERR "Diskonchip ioremap failed: 0x%x
> bytes at 0x%lx\n", DOC_IOREMAP_LEN, physadr);
> + pr_err("Diskonchip ioremap failed: 0x%x bytes at
> 0x%lx\n",
> +        DOC_IOREMAP_LEN, physadr);
>   ret = -EIO;
>   goto error_ioremap;
>   }
> @@ -1496,7 +1498,7 @@ static int __init doc_probe(unsigned long
> physadr)
>   reg = DoC_Mplus_Toggle;
>   break;
>   case DOC_ChipID_DocMilPlus32:
> - printk(KERN_ERR "DiskOnChip Millennium Plus
> 32MB is not supported, ignoring.\n");
> + pr_err("DiskOnChip Millennium Plus 32MB is
> not supported, ignoring.\n");
>   default:
>   ret = -ENODEV;
>   goto notfound;
> @@ -1512,7 +1514,7 @@ static int __init doc_probe(unsigned long
> physadr)
>   tmpb = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
>   tmpc = ReadDOC_(virtadr, reg) & DOC_TOGGLE_BIT;
>   if ((tmp == tmpb) || (tmp != tmpc)) {
> - printk(KERN_WARNING "Possible DiskOnChip at 0x%lx
> failed TOGGLE test, dropping.\n", physadr);
> + pr_warn("Possible DiskOnChip at 0x%lx failed TOGGLE
> test, dropping.\n", physadr);
>   ret = -ENODEV;
>   goto notfound;
>   }
> @@ -1546,12 +1548,13 @@ static int __init doc_probe(unsigned long
> physadr)
>   }
>   newval = ~newval;
>   if (oldval == newval) {
> - printk(KERN_DEBUG "Found alias of DOC at
> 0x%lx to 0x%lx\n", doc->physadr, physadr);
> + pr_debug("Found alias of DOC at 0x%lx to
> 0x%lx\n",
> +  doc->physadr, physadr);
>   goto notfound;
>   }
>   }
>  
> - printk(KERN_NOTICE "DiskOnChip found at 0x%lx\n", physadr);
> + pr_notice("DiskOnChip found at 0x%lx\n", physadr);
>  
>   len = sizeof(struct nand_chip) + sizeof(struct doc_priv) +
>         (2 * sizeof(struct nand_bbt_descr));
> @@ -1666,12 +1669,13 @@ static int __init init_nanddoc(void)
>    */
>   rs_decoder = init_rs(10, 0x409, FCR, 1, NROOTS);
>   if (!rs_decoder) {
> - printk(KERN_ERR "DiskOnChip: Could not create a RS
> decoder\n");
> + pr_err("DiskOnChip: Could not create a RS
> decoder\n");
>   return -ENOMEM;
>   }
>  
>   if (doc_config_location) {
> - printk(KERN_INFO "Using configured DiskOnChip probe
> address 0x%lx\n", doc_config_location);
> + pr_info("Using configured DiskOnChip probe address
> 0x%lx\n",
> + doc_config_location);
>   ret = doc_probe(doc_config_location);
>   if (ret < 0)
>   goto outerr;
> @@ -1683,7 +1687,7 @@ static int __init init_nanddoc(void)
>   /* No banner message any more. Print a message if no
> DiskOnChip
>      found, so the user knows we at least tried. */
>   if (!doclist) {
> - printk(KERN_INFO "No valid DiskOnChip devices
> found\n");
> + pr_info("No valid DiskOnChip devices found\n");
>   ret = -ENODEV;
>   goto outerr;
>   }
> diff --git a/drivers/mtd/nand/fsl_elbc_nand.c
> b/drivers/mtd/nand/fsl_elbc_nand.c
> index 17db2f9..396216c2 100644
> --- a/drivers/mtd/nand/fsl_elbc_nand.c
> +++ b/drivers/mtd/nand/fsl_elbc_nand.c
> @@ -929,8 +929,8 @@ static int fsl_elbc_nand_probe(struct
> platform_device *pdev)
>   mtd_device_parse_register(mtd, part_probe_types, NULL,
>     NULL, 0);
>  
> - printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n",
> -        (unsigned long long)res.start, priv->bank);
> + pr_info("eLBC NAND device at 0x%llx, bank %d\n",
> + (unsigned long long)res.start, priv->bank);
>   return 0;
>  
>  err:
> diff --git a/drivers/mtd/nand/fsl_ifc_nand.c
> b/drivers/mtd/nand/fsl_ifc_nand.c
> index 9e03bac..f88a493 100644
> --- a/drivers/mtd/nand/fsl_ifc_nand.c
> +++ b/drivers/mtd/nand/fsl_ifc_nand.c
> @@ -805,7 +805,7 @@ static void fsl_ifc_sram_init(struct fsl_ifc_mtd
> *priv)
>      msecs_to_jiffies(IFC_TIMEOUT_MSECS));
>  
>   if (ctrl->nand_stat != IFC_NAND_EVTER_STAT_OPC)
> - printk(KERN_ERR "fsl-ifc: Failed to Initialise
> SRAM\n");
> + pr_err("fsl-ifc: Failed to Initialise SRAM\n");
>  
>   /* Restore CSOR and CSOR_ext */
>   ifc_out32(csor, &ifc_global->csor_cs[cs].csor);
> diff --git a/drivers/mtd/nand/mxc_nand.c
> b/drivers/mtd/nand/mxc_nand.c
> index 53e5e03..e99c272 100644
> --- a/drivers/mtd/nand/mxc_nand.c
> +++ b/drivers/mtd/nand/mxc_nand.c
> @@ -634,7 +634,7 @@ static int mxc_nand_correct_data_v2_v3(struct
> mtd_info *mtd, u_char *dat,
>   do {
>   err = ecc_stat & ecc_bit_mask;
>   if (err > err_limit) {
> - printk(KERN_WARNING "UnCorrectable RS-ECC
> Error\n");
> + pr_warn("UnCorrectable RS-ECC Error\n");
>   return -EBADMSG;
>   } else {
>   ret += err;
> diff --git a/drivers/mtd/nand/nand_bch.c
> b/drivers/mtd/nand/nand_bch.c
> index 505441c..7f11b68 100644
> --- a/drivers/mtd/nand/nand_bch.c
> +++ b/drivers/mtd/nand/nand_bch.c
> @@ -95,7 +95,7 @@ int nand_bch_correct_data(struct mtd_info *mtd,
> unsigned char *buf,
>   errloc[i]);
>   }
>   } else if (count < 0) {
> - printk(KERN_ERR "ecc unrecoverable error\n");
> + pr_err("ecc unrecoverable error\n");
>   count = -EBADMSG;
>   }
>   return count;
> @@ -134,7 +134,7 @@ struct nand_bch_control *nand_bch_init(struct
> mtd_info *mtd)
>   }
>  
>   if (!eccsize || !eccbytes) {
> - printk(KERN_WARNING "ecc parameters not
> supplied\n");
> + pr_warn("ecc parameters not supplied\n");
>   goto fail;
>   }
>  
> @@ -151,8 +151,8 @@ struct nand_bch_control *nand_bch_init(struct
> mtd_info *mtd)
>  
>   /* verify that eccbytes has the expected value */
>   if (nbc->bch->ecc_bytes != eccbytes) {
> - printk(KERN_WARNING "invalid eccbytes %u, should be
> %u\n",
> -        eccbytes, nbc->bch->ecc_bytes);
> + pr_warn("invalid eccbytes %u, should be %u\n",
> + eccbytes, nbc->bch->ecc_bytes);
>   goto fail;
>   }
>  
> @@ -166,7 +166,7 @@ struct nand_bch_control *nand_bch_init(struct
> mtd_info *mtd)
>  
>   /* sanity checks */
>   if (8*(eccsize+eccbytes) >= (1 << m)) {
> - printk(KERN_WARNING "eccsize %u is too large\n",
> eccsize);
> + pr_warn("eccsize %u is too large\n", eccsize);
>   goto fail;
>   }
>  
> @@ -181,7 +181,7 @@ struct nand_bch_control *nand_bch_init(struct
> mtd_info *mtd)
>   nand->ecc.steps = eccsteps;
>   nand->ecc.total = eccsteps * eccbytes;
>   if (mtd_ooblayout_count_eccbytes(mtd) !=
> (eccsteps*eccbytes)) {
> - printk(KERN_WARNING "invalid ecc layout\n");
> + pr_warn("invalid ecc layout\n");
>   goto fail;
>   }
>  
> diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
> index 246b439..eeb34ef 100644
> --- a/drivers/mtd/nand/nandsim.c
> +++ b/drivers/mtd/nand/nandsim.c
> @@ -23,6 +23,8 @@
>   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-
> 1307, USA
>   */
>  
> +#define pr_fmt(fmt)  "[nandsim]" fmt
> +
>  #include <linux/init.h>
>  #include <linux/types.h>
>  #include <linux/module.h>
> @@ -179,20 +181,17 @@ MODULE_PARM_DESC(bch,  "Enable
> BCH ecc and set how many bits should "
>  /* The largest possible page size */
>  #define NS_LARGEST_PAGE_SIZE 4096
>  
> -/* The prefix for simulator output */
> -#define NS_OUTPUT_PREFIX "[nandsim]"
> -
>  /* Simulator's output macros (logging, debugging, warning, error) */
>  #define NS_LOG(args...) \
> - do { if (log) printk(KERN_DEBUG NS_OUTPUT_PREFIX " log: "
> args); } while(0)
> + do { if (log) pr_debug(" log: " args); } while(0)
>  #define NS_DBG(args...) \
> - do { if (dbg) printk(KERN_DEBUG NS_OUTPUT_PREFIX " debug: "
> args); } while(0)
> + do { if (dbg) pr_debug(" debug: " args); } while(0)
>  #define NS_WARN(args...) \
> - do { printk(KERN_WARNING NS_OUTPUT_PREFIX " warning: "
> args); } while(0)
> + do { pr_warn(" warning: " args); } while(0)
>  #define NS_ERR(args...) \
> - do { printk(KERN_ERR NS_OUTPUT_PREFIX " error: " args); }
> while(0)
> + do { pr_err(" error: " args); } while(0)
>  #define NS_INFO(args...) \
> - do { printk(KERN_INFO NS_OUTPUT_PREFIX " " args); } while(0)
> + do { pr_info(" " args); } while(0)
>  
>  /* Busy-wait delay macros (microseconds, milliseconds) */
>  #define NS_UDELAY(us) \
> diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
> index fc9287a..cd3cd1c 100644
> --- a/drivers/mtd/nand/r852.c
> +++ b/drivers/mtd/nand/r852.c
> @@ -7,6 +7,9 @@
>   * published by the Free Software Foundation.
>   */
>  
> +#define DRV_NAME "r852"
> +#define pr_fmt(fmt)  DRV_NAME fmt

I've done this kind of change for the first time.
So please guide me if I am wrong here or if I made
things more complex.

Thanks

> +
>  #include <linux/kernel.h>
>  #include <linux/module.h>
>  #include <linux/jiffies.h>
> @@ -935,7 +938,7 @@ static int  r852_probe(struct pci_dev *pci_dev,
> const struct pci_device_id *id)
>   &dev->card_detect_work, 0);
>  
>  
> - printk(KERN_NOTICE DRV_NAME ": driver loaded
> successfully\n");
> + pr_notice(": driver loaded successfully\n");
>   return 0;
>  
>  error10:
> diff --git a/drivers/mtd/nand/r852.h b/drivers/mtd/nand/r852.h
> index 8713c57..709eced 100644
> --- a/drivers/mtd/nand/r852.h
> +++ b/drivers/mtd/nand/r852.h
> @@ -145,16 +145,16 @@ struct r852_device {
>  };
>  
>  #define DRV_NAME "r852"
> -
> +#define pr_fmt(fmt)  DRV_NAME fmt
>  
>  #define dbg(format, ...) \
>   if (debug) \
> - printk(KERN_DEBUG DRV_NAME ": " format "\n", ##
> __VA_ARGS__)
> + pr_debug(": " format "\n", ## __VA_ARGS__)
>  
>  #define dbg_verbose(format, ...) \
>   if (debug > 1) \
> - printk(KERN_DEBUG DRV_NAME ": " format "\n", ##
> __VA_ARGS__)
> + pr_debug(": " format "\n", ## __VA_ARGS__)
>  
>  
>  #define message(format, ...) \
> - printk(KERN_INFO DRV_NAME ": " format "\n", ## __VA_ARGS__)
> + pr_info(": " format "\n", ## __VA_ARGS__)
> diff --git a/drivers/mtd/nand/sh_flctl.c
> b/drivers/mtd/nand/sh_flctl.c
> index e7f3c98..493f6b2 100644
> --- a/drivers/mtd/nand/sh_flctl.c
> +++ b/drivers/mtd/nand/sh_flctl.c
> @@ -877,7 +877,7 @@ static void flctl_cmdfunc(struct mtd_info *mtd,
> unsigned int command,
>   else if (!flctl->seqin_column)
>   execmd_write_page_sector(mtd);
>   else
> - printk(KERN_ERR "Invalid address
> !?\n");
> + pr_err("Invalid address !?\n");
>   break;
>   }
>   set_cmd_regs(mtd, command, (command << 8) |
> NAND_CMD_SEQIN);
> diff --git a/drivers/mtd/nand/sm_common.c
> b/drivers/mtd/nand/sm_common.c
> index c378705..7f5044a 100644
> --- a/drivers/mtd/nand/sm_common.c
> +++ b/drivers/mtd/nand/sm_common.c
> @@ -119,9 +119,8 @@ static int sm_block_markbad(struct mtd_info *mtd,
> loff_t ofs)
>  
>   ret = mtd_write_oob(mtd, ofs, &ops);
>   if (ret < 0 || ops.oobretlen != SM_OOB_SIZE) {
> - printk(KERN_NOTICE
> - "sm_common: can't mark sector at %i as
> bad\n",
> - (int
> )ofs);
> + pr_notice("sm_common: can't mark sector at %i as
> bad\n",
> +   (int)ofs);
>   return -EIO;
>   }
>  

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