[i2c] [RFC][PATCH 4/4] RTC: SMBus support for the M41T80, etc. driver

[Maciej W. Rozycki]

On Thu, 8 May 2008, Atsushi Nemoto wrote:

> For write transfer, you must use only one i2c_msg.  If two i2c_msg
> were used, the slave address is inserted between register number and
> first data.  This chip cannot accept such sequence.

 Correct, thank you for pointing it out -- verified with the datasheet.  I 
will send an updated patch separately taking other suggestions into 
account as well.

> On success, m41t80_i2c_transfer() returns positive value, but
> m41t80_transfer() should return 0.

 I think the check should be for values below zero as originally instead.  
Thanks for the point again.

  Maciej