linux-kernel - Re: [tpmdd-devel] [PATCH v2 0/3] tpm_tis: Clean up force module parameter

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Message-ID: <20151207173531.GA13989@obsidianresearch.com>
Date:	Mon, 7 Dec 2015 10:35:31 -0700
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	"Wilck, Martin" <martin.wilck@...fujitsu.com>
Cc:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	"tpmdd-devel@...ts.sourceforge.net" 
	<tpmdd-devel@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Uwe Kleine-K??nig <u.kleine-koenig@...gutronix.de>
Subject: Re: [tpmdd-devel] [PATCH v2 0/3] tpm_tis: Clean up force module
 parameter

On Mon, Dec 07, 2015 at 10:59:15AM +0100, Wilck, Martin wrote:
> > IS_ERR should address the oops though??
> 
> No, see my answer to Jarkko in the other part of the thread.

I'm confused, is there an oops that still need to be fixed?

> As reported before, with "force=1", I get the error message:
> 
> [ 1351.677808] tpm_tis MSFT0101:00: can't request region for resource
> [mem 0xfed40000-0xfed44fff]
> [ 1351.687431] tpm_tis: probe of MSFT0101:00 failed with error -16

Great, that you so much, that is what I expected to see!

> This is kind of misleading because the TPM is actually working as a
> platform device. But I can follow your previous argument that this is
> acceptable because people who use "force=1" should know what they are
> doing, so I don't regard this as critical.

Right.

Jason
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