Re: [PATCH V2] mtd: nand: pasemi: switch to pr_* functions

From: Andy Shevchenko
Date: Sat Apr 09 2016 - 05:50:59 EST


On Fri, Apr 8, 2016 at 2:13 PM, RafaÅ MiÅecki <zajec5@xxxxxxxxx> wrote:
> 1) Use pr_fmt to keep messages consistent
> 2) Don't warn if kzalloc fails as it dumps stack on its own
> 3) Use %pR format for displaying whole resource to avoid:
> warning: format â%08llxâ expects type âlong long unsigned intâ, but argument 2 has type âresource_size_tâ
>
> Signed-off-by: RafaÅ MiÅecki <zajec5@xxxxxxxxx>
> ---
> drivers/mtd/nand/pasemi_nand.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
> index 63fcb8c..e8372b4 100644
> --- a/drivers/mtd/nand/pasemi_nand.c
> +++ b/drivers/mtd/nand/pasemi_nand.c
> @@ -22,6 +22,8 @@
>
> #undef DEBUG
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/slab.h>
> #include <linux/module.h>
> #include <linux/mtd/mtd.h>
> @@ -112,8 +114,6 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
> /* Allocate memory for MTD device structure and private data */
> chip = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
> if (!chip) {
> - printk(KERN_WARNING
> - "Unable to allocate PASEMI NAND MTD device structure\n");
> err = -ENOMEM;
> goto out;
> }
> @@ -163,13 +163,12 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
> }
>
> if (mtd_device_register(pasemi_nand_mtd, NULL, 0)) {
> - printk(KERN_ERR "pasemi_nand: Unable to register MTD device\n");
> + pr_err("Unable to register MTD device\n");

And why not to use dev_err(&ofdev->dev, â); ?

> err = -ENODEV;
> goto out_lpc;
> }
>
> - printk(KERN_INFO "PA Semi NAND flash at %08llx, control at I/O %x\n",
> - res.start, lpcctl);
> + pr_info("PA Semi NAND flash at %pR, control at I/O %x\n", &res, lpcctl);
>

Ditto.

> return 0;
>
> --
> 1.8.4.5
>



--
With Best Regards,
Andy Shevchenko