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Subject: Re: [PATCH v4 4/7] lib/hexdump.c: Replace ascii bool in
 hex_dump_to_buffer with flags
From:   Joe Perches <joe@perches.com>
To:     Alastair D'Silva <alastair@au1.ibm.com>, alastair@d-silva.org
Cc:     Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
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        Tom Lendacky <thomas.lendacky@amd.com>,
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        Jose Abreu <Jose.Abreu@synopsys.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        Stanislaw Gruszka <sgruszka@redhat.com>,
        Benson Leung <bleung@chromium.org>,
        Enric Balletbo i Serra <enric.balletbo@collabora.com>,
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Date:   Mon, 24 Jun 2019 22:01:40 -0700
In-Reply-To: <20190625031726.12173-5-alastair@au1.ibm.com>
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         <20190625031726.12173-5-alastair@au1.ibm.com>
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On Tue, 2019-06-25 at 13:17 +1000, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@d-silva.org>
> 
> In order to support additional features, rename hex_dump_to_buffer to
> hex_dump_to_buffer_ext, and replace the ascii bool parameter with flags.
[]
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
[]
> @@ -1338,9 +1338,8 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len)
>  		}
>  
>  		WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos,
> -						rowsize, sizeof(u32),
> -						line, sizeof(line),
> -						false) >= sizeof(line));
> +						rowsize, sizeof(u32), line,
> +						sizeof(line)) >= sizeof(line));

Huh?  Why do this?

> diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c
[]
> @@ -70,8 +70,9 @@ send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg)
>  			int l = 0;
>  
>  			while (l < (int)len) {
> -				hex_dump_to_buffer(msg + l, len - l, 32, 1,
> -						   isar->log, 256, 1);
> +				hex_dump_to_buffer_ext(msg + l, len - l, 32, 1,
> +						       isar->log, 256,
> +						       HEXDUMP_ASCII);

Again, why do any of these?

The point of the wrapper is to avoid changing these.