linux-kernel - RE: TPM driver changes to support multiple locality

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Date:	Thu, 11 Oct 2007 14:55:14 -0700
From:	"Agarwal, Lomesh" <lomesh.agarwal@...el.com>
To:	"Arjan van de Ven" <arjan@...ux.intel.com>
Cc:	<Valdis.Kletnieks@...edu>, <linux-kernel@...r.kernel.org>
Subject: RE: TPM driver changes to support multiple locality

-----Original Message-----
From: Arjan van de Ven [mailto:arjan@...ux.intel.com] 
Sent: Thursday, October 11, 2007 2:41 PM
To: Agarwal, Lomesh
Cc: Valdis.Kletnieks@...edu; linux-kernel@...r.kernel.org
Subject: Re: TPM driver changes to support multiple locality

On Thu, 11 Oct 2007 11:33:35 -0700
"Agarwal, Lomesh" <lomesh.agarwal@...el.com> wrote:

> Below is the patch for TPM driver.
> Comments/suggestions?

please don't top post

> 
> --- pristine-linux-2.6.18/drivers/char/tpm/tpm_tis.c	2006-09-19
> 20:42:06.000000000 -0700
> +++ linux-2.6.18-xen/drivers/char/tpm/tpm_tis.c	2007-10-09
> 15:30:49.000000000 -0700

or send word wrapped patches ....

.. or patches against 2 year old kernels for that matter ;)

>  enum tis_defaults {
>  	TIS_MEM_BASE = 0xFED40000,
> -	TIS_MEM_LEN = 0x5000,
> +	TIS_MEM_LEN = 0x1000,

hmmm/// why
[Agarwal, Lomesh] 0x5000 is the length of CSRs for all the localities.
Each locality's CSR size is 0x1000. so 0x1000 is sufficient and will
catch error if driver tries to write to wrong locality.
-
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