From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Imran Khan <kimran@codeaurora.org>
Cc: andy.gross@linaro.org, lee.jones@linaro.org,
David Brown <david.brown@linaro.org>,
open list <linux-kernel@vger.kernel.org>,
"open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@vger.kernel.org>,
"open list:ARM/QUALCOMM SUPPORT" <linux-soc@vger.kernel.org>
Subject: Re: [PATCH v5] soc: qcom: Add SoC info driver
Date: Mon, 12 Dec 2016 11:04:04 -0800 [thread overview]
Message-ID: <20161212190404.GA3439@tuxbot> (raw)
In-Reply-To: <70a5a48a-4b6c-f564-99e4-758a9c5d598a@codeaurora.org>
On Mon 12 Dec 07:14 PST 2016, Imran Khan wrote:
> On 12/5/2016 11:35 PM, Bjorn Andersson wrote:
[..]
> >
> > Rather than having this based on two huge macros take a look at
> > DEVICE_INT_ATTR() and struct dev_ext_attribute in
> > include/linux/device.h. It looks like if you just put the index in a
> > struct and use container_of to reach that you can replace these with
> > direct functions.
> >
> > Also, it's perfectly fine to always specify a store operation and use
> > 0444 vs 0644 to control it's availability. So you don't need two sets if
> > you just expose the mode in your macro.
> >
>
> If I understood this correct, the main idea here is to use dev_ext_attribute
> and avoid wrapper macros. Have tried to implement this suggestion in the
> subsequent patch set. Please let me know if it looks okay or can be improved
> further.
>
Not necessarily using dev_ext_attribute directly, but using the same
design (a struct and container_of) allows you do parameterize these
functions.
Looking forward to v6.
Regards,
Bjorn
prev parent reply other threads:[~2016-12-12 19:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-16 13:22 [PATCH v5] soc: qcom: Add SoC info driver Imran Khan
2016-12-05 18:05 ` Bjorn Andersson
2016-12-12 15:14 ` Imran Khan
2016-12-12 19:04 ` Bjorn Andersson [this message]
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