linux-kernel - Re: [v7,2/3] i2c: iproc: Add Broadcom iProc I2C Driver

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Message-ID: <CAE_wzQ-POweLLmTyHoMvs_NESjW5UmPxh2ZQCaW4-W74MsrHag@mail.gmail.com>
Date:	Fri, 6 Feb 2015 14:48:31 -0800
From:	Dmitry Torokhov <dtor@...omium.org>
To:	Kevin Cernekee <cernekee@...omium.org>
Cc:	Ray Jui <rjui@...adcom.com>, Wolfram Sang <wsa@...-dreams.de>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Arend van Spriel <arend@...adcom.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Scott Branden <sbranden@...adcom.com>,
	linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
	Dmitry Torokhov <dtor@...omium.org>
Subject: Re: [v7,2/3] i2c: iproc: Add Broadcom iProc I2C Driver

On Fri, Feb 6, 2015 at 2:31 PM, Kevin Cernekee <cernekee@...omium.org> wrote:
> On Mon, Jan 19, 2015 at 01:51:49PM -0800, Ray Jui wrote:
>> +
>> +     dev_dbg(iproc_i2c->device, "xfer %c, addr=0x%02x, len=%d\n",
>> +             (msg->flags & I2C_M_RD) ? 'R' : 'W', msg->addr,
>> +             msg->len);
>> +     dev_dbg(iproc_i2c->device, "**** data start ****\n");
>> +     for (i = 0; i < msg->len; i++)
>> +             dev_dbg(iproc_i2c->device, "0x%02x ",  msg->buf[i]);
>> +     dev_dbg(iproc_i2c->device, "**** data end ****\n");
>
> It might be simpler to just do:
>
>     print_hex_dump_bytes("iproc_i2c:", DUMP_PREFIX_NONE, msg->buf, msg->len);
>
> although you'd lose the ability to see the I2C device name.

We can also do:

dev_dbg(iproc_i2c->device, "*** data: %*ph\n", msg->len, msg->buf);

if we are OK with limiting output to 64 bytes.

Thanks,
Dmitry
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