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

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Date:	Mon, 31 Aug 2015 21:55:02 -0700
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
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 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.

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"...

>  struct smd_channel_info_word;
> +struct smd_full_channel_info_word;
>  

Regards,
Bjorn
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