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Message-ID: <CAHp75VcqYgDCTPqjn9F1SpAbamgPk8B7s4zYAb8csD8oFpLihw@mail.gmail.com>
Date: Wed, 31 Jan 2018 18:53:19 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Mario Limonciello <Mario.Limonciello@...l.com>
Cc: Pali Rohár <pali.rohar@...il.com>,
Darren Hart <dvhart@...radead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: dell-laptop: Allocate buffer on heap rather
than globally
On Wed, Jan 31, 2018 at 6:46 PM, <Mario.Limonciello@...l.com> wrote:
>> > for allocation: ..._alloc_request()
>> > for filling: _fill_request() / _prepare_request()
>> >
>> > or alike.
>> >
>> > _set_arguments() not good enough to me.
>>
>> Ok. Then we need to stick with 5 arguments... What about name
>> dell_fill_request()? E.g.
>>
>> struct calling_interface_buffer buffer;
>> dell_fill_request(&buffer, 0x2, 0, 0, 0);
>> ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
>>
>
> The other alternative is to just define the input of the structure immediately with
> an initializer, no multi argument filler function. Like this:
Either would work for me, though one comment below.
> - struct calling_interface_buffer buffer;
> + struct calling_interface_buffer buffer = {CLASS_INFO,
> + SELECT_RFKILL,
> + {0, 0, 0, 0},
> + {0, 0, 0, 0}};
Looking to this approach I would rather provide a macro then.
#define FILL_REQUEST(a,b,c,d,...) \ // variant FILL_RFKILL_REQUEST(a,b,c,d)
(struct calling_interface_buffer) { \
... \
}
But then it is macro(s) vs. function(s) debate.
> - dell_set_arguments(&buffer, 0, 0, 0, 0);
> - ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);
> + ret = dell_send_request(&buffer);
--
With Best Regards,
Andy Shevchenko
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