[U-Boot] [PATCH 12/17] post/i2c: Don't probe address 0

Heiko Schocher
2010-09-30T06:10:09Z

Hello Peter,

Peter Tyser wrote:
> According to the I2C specification device address 0 is the "general call
> address", ie a broadcast address. The I2C specification states that the
> format of a general call uses at least 2 bytes, which U-Boot's probing
> routine does not adhere to.
>
> Not probing device address 0 will prevent possible issues with devices
> that accept general calls. Additionally, this change shouldn't reduce
> POST coverage since each I2C device should still be accessed via its
> own, unique address.
>
> Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
> CC: hs at denx.de
> ---
> post/drivers/i2c.c | 6 ++++--
> 1 files changed, 4 insertions(+), 2 deletions(-)

Thanks!

Applies clean on top of master.

Acked-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
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