linux-kernel - Re: [tpmdd-devel] [PATCH] Refuse activation of tpm_tis driver if TPM is not working correctly

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Date:	Mon, 10 Oct 2011 12:07:43 -0300
From:	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
To:	Stefan Berger <stefanb@...ux.vnet.ibm.com>
CC:	a.miskiewicz@...il.com, m.selhorst@...rix.com,
	"tpmdd-devel@...ts.sourceforge.net" 
	<tpmdd-devel@...ts.sourceforge.net>,
	James Morris <jmorris@...ei.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [tpmdd-devel] [PATCH] Refuse activation of tpm_tis driver if
 TPM is not working correctly

On 10/10/11 10:04, Rajiv Andrade wrote:
> On 10/10/11 09:16, Stefan Berger wrote:
>> Refuse activation of tpm_tis driver if the TPM is found not to be
>> working correctly. This prevents suspend/resume problems for me on
>> Lenovo W500 and T61p.
>>
>> Signed-off-by: Stefan Berger<stefanb@...ux.vnet.ibm.com>
> Testing and trying to reproduce it here.
Yes, for some yet unknown reason the TPM doesn't respond after a 
suspend/resume in case
it wasn't loaded before that. With this change/check, suspends work fine 
in this scenario
for me as well. Applied to:

github.com/srajiv/tpm.git next-tpm-fixes

Thanks for the fix Stefan.
Rajiv
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