linux-kernel - RE: [PATCH v5 3/4] drivers/i2c/busses/i2c-at91.c: add new driver

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Date:	Wed, 23 Nov 2011 15:34:42 +0100
From:	"Voss, Nikolaus" <N.Voss@...nmann.de>
To:	"'Carsten Behling'" <carsten.behling@...z-fricke.com>
CC:	"'linux-i2c@...r.kernel.org'" <linux-i2c@...r.kernel.org>,
	"'linux-arm-kernel@...ts.infradead.org'" 
	<linux-arm-kernel@...ts.infradead.org>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v5 3/4] drivers/i2c/busses/i2c-at91.c: add new driver

Hi Carsten,

Carsten Behling wrote on 2011-11-23:
> I think it must be:
> 
> +		for (i = 0; i < msg->len; ++i) {
> +			internal_address |= ((unsigned)msg->buf[msg->len-1-i]) << (8 * i);
> +			int_addr_flag += AT91_TWI_IADRSZ_1;
> +		}
> +		at91_twi_write(dev, AT91_TWI_IADR, internal_address);

yes, I think you're right. I tested only with 8 bit addresses
(msg->len = 1), so I haven't seen this error.

I will modify the patch and post it later today.

Thanks for this feedback,
Niko

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