Re: [Resend Patch 7/9] I2C/ACPI: Add i2c ACPI operation region support

From: Lan Tianyu
Date: Wed Apr 23 2014 - 03:25:42 EST


On 2014å04æ23æ 15:28, Mika Westerberg wrote:
> On Wed, Apr 23, 2014 at 09:53:21AM +0800, Lan Tianyu wrote:
>> Hi Mika:
>> Thanks a lot for your review.
>>
>> On 2014å04æ22æ 19:36, Mika Westerberg wrote:
>>>>> +
>>>>> + client.adapter = adapter;
>>>>> + client.addr = sb->slave_address;
>>>>> + client.flags = 0;
>>> I'm not sure if this is the correct way to use struct i2c_client
>>> (allocating it from stack and passing forward to functions that might
>>> expect a real i2c_client structure). It has ->dev and all.
>>
>> I check all i2c_smbus_xxx helper functions and they are simple wrappers
>> of i2c_smbus_xfer(). Only adapter, addr and flags of struct client are
>> used in these functions.
>
> In that case I suppose it is OK to (ab)use the client structure like this.
>
> I think you still want to initialize the whole structure (unused fields
> with zero) before passing it to the wrappers.
>

Ok. I will do that.

--
Best regards
Tianyu Lan
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