linux-kernel - Re: [PATCH v3 2/3] ARM: bcm2835: Switch to use %ptT

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Message-ID: <20200416025358.GC30641@jagdpanzerIV.localdomain>
Date:   Thu, 16 Apr 2020 11:53:58 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-kernel@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v3 2/3] ARM: bcm2835: Switch to use %ptT

On (20/04/15 20:00), Andy Shevchenko wrote:
[..]
> diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
> index da26a584dca0..a3e85186f8e6 100644
> --- a/drivers/firmware/raspberrypi.c
> +++ b/drivers/firmware/raspberrypi.c
> @@ -182,16 +182,10 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
>  					RPI_FIRMWARE_GET_FIRMWARE_REVISION,
>  					&packet, sizeof(packet));
>  
> -	if (ret == 0) {
> -		struct tm tm;
> -
> -		time64_to_tm(packet, 0, &tm);
> +	if (ret)
> +		return;
>  
> -		dev_info(fw->cl.dev,
> -			 "Attached to firmware from %04ld-%02d-%02d %02d:%02d\n",
> -			 tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
> -			 tm.tm_hour, tm.tm_min);
> -	}
> +	dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &packet);
>  }

So can this be instead:

	struct rtc_time tm;

	rtc_time64_to_tm(time, &tm);
	dev_info(.... "%ptR", &tm);

?

If it can, then I'd probably say something like "can we then just use
rtc_time64_to_tm()"?

	-ss