linux-kernel - Re: MFD cell structure and sharing of resources

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:	Fri, 10 Dec 2010 16:34:47 +0000
From:	Daniel Drake <dsd@...top.org>
To:	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	Paul Fox <pgf@...top.org>, Andres Salomon <dilinger@...ued.net>,
	linux-kernel@...r.kernel.org
Subject: Re: MFD cell structure and sharing of resources

On 10 December 2010 15:37, Daniel Drake <dsd@...top.org> wrote:
> 3. For olpc-xo1-pm and olpc-xo1-sci, forget about hooking into MFD and
> go back to the route of looking for the appropriate device on the PCI
> bus and accessing the regions that way.

That isn't really an option either, because pci_request_region makes
the region exclusive to 1 device.
However, something similar is possible: olpc-xo1-pm reserves the
region and makes it enable to olpc-xo1-sci through an exported symbol.

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/