linux-kernel - Re: [PATCH 1/3] soc: qcom: smd: Represent channel layout in structures

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Date:	Tue, 1 Sep 2015 10:51:02 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	Andy Gross <agross@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] soc: qcom: smd: Represent channel layout in
 structures

On 08/31/2015 09:55 PM, Bjorn Andersson wrote:
> On Mon 31 Aug 18:39 PDT 2015, Stephen Boyd wrote:
>
>> The rx and tx channel info are laid out in memory next to each
>> other, and there are two types of channel info structures, byte
>> based and word based. We have 4 pointers to these info
>> structures, when we really only need two to point to the
>> different types of structures. Encapsulate the byte based and word
>> based tx/rx structures in a "full channel" structure that
>> describes the layout of memory and reduces the number of pointers
>> in the smd channel structure by two.
>>
> Saving the extra pointer doesn't feel like worth the change, but
> representing the pair of info structs as one sounds like a reasonable
> cleanup.

Agreed.

>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
>> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
>> ---
>>  drivers/soc/qcom/smd.c | 61 +++++++++++++++++++++++++++-----------------------
>>  1 file changed, 33 insertions(+), 28 deletions(-)
>>
>> diff --git a/drivers/soc/qcom/smd.c b/drivers/soc/qcom/smd.c
>> index edd9d9a37238..c16547b85e05 100644
>> --- a/drivers/soc/qcom/smd.c
>> +++ b/drivers/soc/qcom/smd.c
>> @@ -65,7 +65,9 @@
>>   */
>>  
>>  struct smd_channel_info;
>> +struct smd_full_channel_info;
> I would have called this "smd_channel_info_pair"...

Sure I'll make the change and add your Reviewed-by.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

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