Re: [PATCH 2/3] mfd: cros_ec: Use the proper size when looking at the cros_ec_i2c result
From: Doug Anderson
Date: Wed Jul 02 2014 - 11:51:34 EST
Lee,
On Wed, Jul 2, 2014 at 12:23 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> On Fri, 27 Jun 2014, Doug Anderson wrote:
>
>> We know how many bytes the EC should be sending us (which is also the
>> number of bytes transferred) and also how many bytes the EC actually
>> wanted to send to us. When computing the checksum and copying back
>> data let's make sure we take the lesser of the two of those. We'll
>> also complain if the EC tried to send us too many bytes. The EC
>> sending us too few bytes is legit for when we send the EC an invalid
>> command.
>>
>> This is based on similar code in cros_ec_spi.
>>
>> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx>
>> ---
>> drivers/mfd/cros_ec_i2c.c | 15 ++++++++++++---
>> 1 file changed, 12 insertions(+), 3 deletions(-)
>
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
>
> Is this patch orthogonal i.e. can it be applied without the other two
> patches?
Yes. If patch 3/3 had worked out then it would have required patch #1
for proper functioning and patch #2 (this patch) to avoid an ugly
error message in the log. ...but patch #1 and this patch both can
stand on their own and can be applied.
-Doug
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