linux-kernel - Re: [RESEND PATCH 0/9] eeprom: at24: at24cs series serial number read

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Message-ID: <87k2qgtg2t.fsf@dell.be.48ers.dk>
Date:	Wed, 21 Oct 2015 17:08:10 +0200
From:	Peter Korsgaard <peter@...sgaard.com>
To:	Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	linux-i2c <linux-i2c@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH 0/9] eeprom: at24: at24cs series serial number read

>>>>> "Bartosz" == Bartosz Golaszewski <bgolaszewski@...libre.com> writes:

Hi,

 >> > I wanted to respond that this way we would not be protected from
 >> > concurrent accesses, but then I saw I didn't actually include any
 >> > locks in the serial read function - my bad. It needs to be fixed as
 >> > both memory blocks share the same address pointer.
 >> 
 >> > I'll resend the series.
 >> 
 >> But we're protected by the i2c bus lock, right? You do a single
 >> i2c_transfer to read the serial number.

 > Why the at24->lock then?

I'm not sure. Wolfram?

-- 
Bye, Peter Korsgaard 
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