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

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Date:	Wed, 2 Dec 2015 11:11:45 -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>,
	Peter Huewe <peterhuewe@....de>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: Re: [PATCH v2 0/3] tpm_tis: Clean up force module parameter

On Wed, Dec 02, 2015 at 01:34:38PM +0100, Wilck, Martin wrote:
> On Di, 2015-12-01 at 11:58 -0700, Jason Gunthorpe wrote:
> 
> > Martin, this should fix the double loading you noticed, please confirm.  There
> > is a possibility the force path needs a bit more code to be compatible with
> > devm_ioremap_resource, I'm not sure, hoping not.
> 
> Nope, this one oopses in the ACPI probing path.

This fixes this oops:

        chip->vendor.iobase = devm_ioremap_resource(dev, &tpm_info->res);
-       if (!chip->vendor.iobase)
-               return -EIO;
+       if (IS_ERR(chip->vendor.iobase))
+               return PTR_ERR(chip->vendor.iobase);


And I see that the ACPI stuff needs other work :(

Jason
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