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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org,
	Ludovic Desroches <ludovic.desroches@atmel.com>,
	linux-i2c@vger.kernel.org,
	Yingjoe Chen <yingjoe.chen@mediatek.com>,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC 02/11] i2c: add quirk checks to core
Date: Mon, 12 Jan 2015 12:08:14 +0000	[thread overview]
Message-ID: <20150112120814.GE12302@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1420824103-24169-3-git-send-email-wsa@the-dreams.de>

On Fri, Jan 09, 2015 at 06:21:32PM +0100, Wolfram Sang wrote:
> +static int i2c_quirk_error(struct i2c_adapter *adap, struct i2c_msg *msg, char *err_msg)
> +{
> +	dev_err(&adap->dev, "quirk: %s (addr 0x%04x, size %u)\n", err_msg, msg->addr, msg->len);
> +	return -EOPNOTSUPP;
> +}

So, what happens if I open an I2C adapter, find a message which causes
i2c_quirk_error() to be called, and then spin repeatedly calling that...
Shouldn't there be some rate limiting to this?

-- 
FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up
according to speedtest.net.

  parent reply	other threads:[~2015-01-12 12:08 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-09 17:21 [RFC 00/11] i2c: add generic quirk infrastructure Wolfram Sang
2015-01-09 17:21 ` [RFC 01/11] i2c: add quirk structure to describe adapter flaws Wolfram Sang
2015-01-16  5:50   ` Eddie Huang
2015-01-19 15:05     ` Wolfram Sang
2015-02-24 16:04       ` Wolfram Sang
2015-01-16  8:18   ` Yingjoe Chen
2015-01-19 15:00     ` Wolfram Sang
2015-01-09 17:21 ` [RFC 02/11] i2c: add quirk checks to core Wolfram Sang
2015-01-09 19:35   ` Sergei Shtylyov
2015-01-09 20:45     ` Wolfram Sang
2015-01-09 21:05       ` Sergei Shtylyov
2015-01-12  9:58   ` Ludovic Desroches
2015-01-12 10:13     ` Wolfram Sang
2015-01-12 12:08   ` Russell King - ARM Linux [this message]
2015-02-24 14:25     ` Wolfram Sang
2015-01-12 13:15   ` Matthias Brugger
2015-02-24 14:16     ` Wolfram Sang
2015-01-09 17:21 ` [RFC 03/11] i2c: at91: make use of the new infrastructure for quirks Wolfram Sang
2015-01-09 17:21 ` [RFC 04/11] i2c: opal: " Wolfram Sang
2015-01-09 17:21 ` [RFC 05/11] i2c: qup: " Wolfram Sang
2015-01-09 17:21 ` [RFC 06/11] i2c: cpm: " Wolfram Sang
2015-01-09 17:21 ` [RFC 07/11] i2c: axxia: " Wolfram Sang
2015-01-09 17:21 ` [RFC 08/11] i2c: dln2: " Wolfram Sang
2015-01-09 17:21 ` [RFC 09/11] i2c: powermac: " Wolfram Sang
2015-01-09 17:21 ` [RFC 10/11] i2c: viperboard: " Wolfram Sang
2015-01-09 17:21 ` [RFC 11/11] i2c: pmcmsp: " Wolfram Sang

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