linux-kernel - Re: lis3's ACPI dependency

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 2 Mar 2009 01:50:24 +0100
From:	Daniel Mack <daniel@...aq.de>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	Éric Piel <eric.piel@...mplin-utc.net>,
	linux-kernel@...r.kernel.org
Subject: Re: lis3's ACPI dependency

On Sun, Mar 01, 2009 at 01:51:25PM -0600, Robert Hancock wrote:
>> are there any plans to free the lis3 driver from its ACPI dependency?
>> In fact, this device is I2C/SPI connected which the ACPI layer seems to
>> hide from the driver, but to use it on embedded devices, the bus drivers
>> must be used directly and the dependeny seems entirely unnecessary
>> anyway.
>
> If ACPI AML code attempts to access the device (which it obviously does,  
>  since we're presumably using the same code to access it), then we  
> cannot be accessing it directly at the same time, otherwise the two will  
> stomp on each other.

It's not about accessing the same device in more than one way one one
particular platform but about keeping the driver abstract enough so it
can be hooked up to different bus types. At the moment, it isn't
completely seperated from ACPI, that's why I'm asking.

Daniel
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/