linux-kernel - Re: [PATCH 4/5] pata: Update experimental tags

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]

Message-ID: <4B05586E.4080401@ru.mvista.com>
Date:	Thu, 19 Nov 2009 17:38:38 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Alan Cox <alan@...ux.intel.com>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH 4/5] pata: Update experimental tags

Alan Cox wrote:

>>    Point out the breakage please. The driver has been developed and tested 
>>on non-x86 machine with 66 MHz PCI.

> static int init_chipset_hpt366(struct pci_dev *dev)
> 
>         if (chip_type >= HPT370) {
> 
>                if ((temp & 0xFFFFF000) != 0xABCDE000) {

> it then falls through and gets a 33MHz answer from the tests.

> If I stash the MHz answer from boot then it works. So I imagine the boot
> time value just needs to be dumped into a static for resume to use.

    Ah, that... sure, this test only works at boot if there was no smart 
enough BIOS around to save the f_CNT -- then the DPLL gets reprogrammed, and 
doesn't reflect the default clock anymore...

> Alan

WBR, Sergei
--
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/