RE: [PATCH] i2c/busses: (mpc) Add support for SMBUS_READ_BLOCK_DATA

[Tang Yuantian-B29983]

I have tested this patch. It works on p1022ds platform.
Thanks.

Regards,
Yuantian

> -----Original Message-----
> From: Guenter Roeck [mailto:guenter.roeck@xxxxxxxxxxxx]
> Sent: 2011å11æ18æ 2:19
> To: sun york-R58495
> Cc: Jean Delvare; Tabi Timur-B04825; linux-i2c@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Tang Yuantian-B29983
> Subject: Re: [PATCH] i2c/busses: (mpc) Add support for
> SMBUS_READ_BLOCK_DATA
> 
> If you look closely, you may realize that the mpc_read also doesn't
> validate of any of the other parameters. Are you going to request that
> such validations be added as well ? How about the other functions in this
> driver ? Should each function also validate each of its parameters ? If
> not, where do you draw the line ?
> 
> Besides, the caller is the SMBus block read function, which does know
> that SMBus block reads are limited to 32 bytes (plus length).
> 
> Guenter
> 
> 

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