Re: [PATCH v1 1/1] mfd: ipaq-micro: Use %*ph for printing hexdump of a small buffer

From: Lee Jones
Date: Wed Jun 21 2023 - 13:10:48 EST


On Tue, 13 Jun 2023, Andy Shevchenko wrote:

> The kernel already has a helper to print a hexdump of a small
> buffer via pointer extension. Use that instead of open coded
> variant.

That's not all you're doing is it?

Nice try. 2 patches please.

> In long term it helps to kill pr_cont() or at least narrow down
> its use.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/mfd/ipaq-micro.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mfd/ipaq-micro.c b/drivers/mfd/ipaq-micro.c
> index 6d3968458e81..57fb7874fc91 100644
> --- a/drivers/mfd/ipaq-micro.c
> +++ b/drivers/mfd/ipaq-micro.c
> @@ -131,10 +131,8 @@ static void micro_rx_msg(struct ipaq_micro *micro, u8 id, int len, u8 *data)
> break;
> default:
> dev_err(micro->dev,
> - "unknown msg %d [%d] ", id, len);
> - for (i = 0; i < len; ++i)
> - pr_cont("0x%02x ", data[i]);
> - pr_cont("\n");
> + "unknown msg %d [%d] %*ph\n", id, len, len, data);
> + break;
> }
> spin_unlock(&micro->lock);
> }
> --
> 2.40.0.1.gaa8946217a0b
>

--
Lee Jones [李琼斯]