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From: Mike Waychison <mikew@google.com>
To: Greg KH <greg@kroah.com>
Cc: torvalds@linux-foundation.org, San Mehat <san@google.com>,
	Aaron Durbin <adurbin@google.com>,
	Duncan Laurie <dlaurie@google.com>,
	linux-kernel@vger.kernel.org, Tim Hockin <thockin@google.com>
Subject: Re: [PATCH v1 3/6] driver: Google EFI SMI
Date: Tue, 25 Jan 2011 15:12:52 -0800	[thread overview]
Message-ID: <AANLkTi=XhRX-=k8UmmQFshP6fgF_q2c-9gEHuH0mWu0a@mail.gmail.com> (raw)
In-Reply-To: <20110125031752.GA9846@kroah.com>

On Mon, Jan 24, 2011 at 7:17 PM, Greg KH <greg@kroah.com> wrote:
> On Mon, Jan 24, 2011 at 04:24:49PM -0800, Mike Waychison wrote:
>> +struct gsmi_ioctl {
>> +     uint16_t        length;         /* total length including data */
>> +     int             version;        /* structure version */
>> +     int             command;        /* ioctl command */
>
> Ick.  Use proper data types if you are going to create a new ioctl.
> Same goes for the structures above (hint, use __u32 and friends, not the
> unit??_t crap.
>
> I'd strongly suggest NOT creating a new ioctl though, that' just going
> to be a pain in the long run.

Ok.  I'll change these.  Even if the __u32 vs u32 vs uint32_t
differentiation is non-sense :(

>
>
>> +     union {
>> +             struct gsmi_get_nvram_var       get_nvram_var;
>> +             struct gsmi_get_next_var        get_next_var;
>> +             struct gsmi_set_nvram_var       set_nvram_var;
>> +             struct gsmi_set_event_log       set_event_log;
>> +             struct gsmi_clear_event_log     clear_event_log;
>> +     } gsmi_cmd;
>> +} __packed;
>> +
>> +#define GSMI_BASE                    'G'
>> +#define GSMI_IOCTL_VERSION           1
>> +#define GSMI_IOCTL                   _IOWR(GSMI_BASE, GSMI_IOCTL_VERSION, \
>> +                                         struct gsmi_ioctl)
>> +
>> +#endif /* _LINUX_GSMI_H */
>> diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
>> index 18fd130..34f5dfa 100644
>> --- a/include/linux/miscdevice.h
>> +++ b/include/linux/miscdevice.h
>> @@ -40,6 +40,7 @@
>>  #define BTRFS_MINOR          234
>>  #define AUTOFS_MINOR         235
>>  #define MAPPER_CTRL_MINOR    236
>> +#define GOOGLE_SMI_MINOR     242
>>  #define MISC_DYNAMIC_MINOR   255
>
> Why make this a static number and not just use a dynamic one?

Well, we use static device numbers, which is why it has historically
been static as well.  Yes, that puts us squarely in the 1990s :)

I can change this guy too though.

  reply	other threads:[~2011-01-25 23:13 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-25  0:24 [PATCH v1 0/6] google firmware support Mike Waychison
2011-01-25  0:24 ` [PATCH v1 1/6] Add oops notification chain Mike Waychison
2011-01-25  2:06   ` Greg KH
2011-01-25 20:01     ` Mike Waychison
2011-01-25 21:36       ` Jeff Garzik
2011-01-25 21:43         ` Aaron Durbin
2011-01-25 21:54           ` Jeff Garzik
2011-01-25 22:21             ` Aaron Durbin
2011-01-26  2:48               ` Greg KH
2011-01-26 21:50                 ` Mike Waychison
2011-01-25  0:24 ` [PATCH v1 2/6] Introduce CONFIG_GOOGLE_FIRMWARE Mike Waychison
2011-01-25  0:24 ` [PATCH v1 3/6] driver: Google EFI SMI Mike Waychison
2011-01-25  3:17   ` Greg KH
2011-01-25 23:12     ` Mike Waychison [this message]
2011-01-26  2:46       ` Greg KH
2011-01-26 23:58         ` Mike Waychison
2011-01-27  1:22           ` Mike Waychison
2011-01-27 23:41             ` Mike Waychison
2011-01-28  2:56               ` Greg KH
2011-02-20  4:44               ` Matt Domsch
2011-02-21 13:58                 ` Matthew Garrett
2011-01-27 10:43           ` Alan Cox
2011-01-27 19:22             ` Mike Waychison
2011-01-28  2:55               ` Greg KH
2011-01-28  2:59           ` Greg KH
2011-01-25  0:24 ` [PATCH v1 4/6] driver: Google Bootlog Mike Waychison
2011-01-25  0:49   ` Alan Cox
2011-01-25  1:38     ` Mike Waychison
2011-01-25  9:43       ` Alan Cox
2011-01-25  0:25 ` [PATCH v1 5/6] Allow prepending to the dmesg Mike Waychison
2011-01-25  1:01   ` Andrew Morton
2011-01-25  0:25 ` [PATCH v1 6/6] driver: Google Memory Console Mike Waychison
2011-01-25  2:00   ` Greg KH
2011-01-25  3:01 ` [PATCH v1 0/6] google firmware support Greg KH
2011-01-25 19:58   ` Mike Waychison
2011-01-26  2:47     ` Greg KH

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