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From: "Michał Kępień" <kernel@kempniu.pl>
To: "Pali Rohár" <pali.rohar@gmail.com>
Cc: Darren Hart <dvhart@infradead.org>,
	Matthew Garrett <mjg59@srcf.ucam.org>,
	Richard Purdie <rpurdie@rpsys.net>,
	Jacek Anaszewski <j.anaszewski@samsung.com>,
	Alex Hung <alex.hung@canonical.com>,
	platform-driver-x86@vger.kernel.org, linux-leds@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/14] dell-laptop: extract SMBIOS-related code to a separate module
Date: Mon, 18 Jan 2016 11:34:32 +0100	[thread overview]
Message-ID: <20160118103432.GA2444@eudyptula.hq.kempniu.pl> (raw)
In-Reply-To: <20160116151922.GA5060@pali>

Hi Pali,

Thanks for taking a look.

> > +struct calling_interface_token {
> > +	u16 tokenID;
> > +	u16 location;
> > +	union {
> > +		u16 value;
> > +		u16 stringlength;
> > +	};
> > +};
> 
> After patch 12/14 you do not need to define this struct in header file.

dell_smbios_find_token() returns a struct calling_interface_token *,
which can then be dereferenced by the caller.  See patch 13.

> > +extern struct calling_interface_buffer *buffer;
> > +extern struct calling_interface_token *da_tokens;
> 
> Better hide this variable in dell-smbios.c code ...

Patch 12 makes da_tokens static, but I believe you were referring to
buffer.

> > +void clear_buffer(void);
> > +void get_buffer(void);
> > +void release_buffer(void);
> 
> ... and let those functions to get parameter to buffer.
> 
> E.g. get_buffer will return buffer and other two functions will take
> buffer parameter.

You're right.  My original approach looked tempting because it reduces
the amount of changes required in dell-laptop, but on second thought, it
_assumes_ that users of this API would play nicely with the SMBIOS
buffer while your way _enforces_ it.

I will prepare a v2 including this suggestion within the next couple of
days.

-- 
Best regards,
Michał Kępień

  reply	other threads:[~2016-01-18 10:34 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12 14:02 [PATCH 00/14] Common Dell SMBIOS API Michał Kępień
2016-01-12 14:02 ` [PATCH 01/14] dell-laptop: extract SMBIOS-related code to a separate module Michał Kępień
2016-01-16 15:19   ` Pali Rohár
2016-01-18 10:34     ` Michał Kępień [this message]
2016-01-20  9:21     ` Michał Kępień
2016-01-21  8:35       ` Pali Rohár
2016-01-21 13:06         ` Michał Kępień
2016-01-21 13:14           ` Pali Rohár
2016-01-21 13:39             ` Michał Kępień
2016-02-08 21:42               ` Darren Hart
2016-02-09  8:33                 ` Pali Rohár
2016-02-09 13:58                   ` Michał Kępień
2016-02-09 16:51                   ` Darren Hart
2016-02-09 19:12                     ` Pali Rohár
2016-02-10 23:03                       ` Darren Hart
2016-01-12 14:02 ` [PATCH 02/14] dell-smbios: don't pass a buffer to dell_send_request() Michał Kępień
2016-01-12 14:02 ` [PATCH 03/14] dell-smbios: rename buffer to dell_smbios_buffer Michał Kępień
2016-01-12 14:02 ` [PATCH 04/14] dell-smbios: rename clear_buffer() to dell_smbios_clear_buffer() Michał Kępień
2016-01-12 14:02 ` [PATCH 05/14] dell-smbios: rename get_buffer() to dell_smbios_get_buffer() Michał Kępień
2016-01-12 14:02 ` [PATCH 06/14] dell-smbios: rename release_buffer() to dell_smbios_release_buffer() Michał Kępień
2016-01-12 14:02 ` [PATCH 07/14] dell-smbios: rename dell_send_request() to dell_smbios_send_request() Michał Kępień
2016-01-12 14:02 ` [PATCH 08/14] dell-smbios: implement new function for finding DMI table 0xDA tokens Michał Kępień
2016-01-12 14:02 ` [PATCH 09/14] dell-laptop: use dell_smbios_find_token() instead of find_token_id() Michał Kępień
2016-01-12 14:02 ` [PATCH 10/14] dell-laptop: use dell_smbios_find_token() instead of find_token_location() Michał Kępień
2016-01-12 14:02 ` [PATCH 11/14] dell-smbios: remove find_token_{id,location}() Michał Kępień
2016-01-12 14:02 ` [PATCH 12/14] dell-smbios: make da_tokens static Michał Kępień
2016-01-12 14:02 ` [PATCH 13/14] dell-led: use dell_smbios_find_token() for finding mic DMI tokens Michał Kępień
2016-01-21 10:52   ` Jacek Anaszewski
2016-01-21 15:00     ` Michał Kępień
2016-01-21 15:42       ` Jacek Anaszewski
2016-01-12 14:03 ` [PATCH 14/14] dell-led: use dell_smbios_send_request() for SMBIOS requests Michał Kępień
2016-01-14 22:43 ` [PATCH 00/14] Common Dell SMBIOS API Darren Hart

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