linux-kernel - Re: [PATCH v1 10/12] tpm: TPM 2.0 FIFO Interface

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Date:	Wed, 24 Sep 2014 22:30:21 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:	tpmdd-devel@...ts.sourceforge.net, Peter Huewe <peterhuewe@....de>,
	Marcel Selhorst <tpmdd@...horst.net>,
	linux-kernel@...r.kernel.org, Will Arthur <will.c.arthur@...el.com>
Subject: Re: [PATCH v1 10/12] tpm: TPM 2.0 FIFO Interface

On Wed, Sep 24, 2014 at 10:59:21AM -0600, Jason Gunthorpe wrote:
> On Wed, Sep 24, 2014 at 12:06:00PM +0300, Jarkko Sakkinen wrote:
>   
> > -	if (!(chip = tpm_register_hardware(dev, &tpm_tis)))
> > +	chip = tpm_chip_alloc(dev, &tpm_tis);
> > +	if (!chip)
> >  		return -ENODEV;
> 
> Please put this in a separate patch, don't co-mingle it with TPM2
> support. If drivers are going to be converted, then I want to see the
> new API used properly and the driver itself to be a *correct* example
> of using the new API.

Agreed.

> So you have to purge the tis_chips, fix the missing removal functions,
> call unregister, fix the force probe path, etc.
> 
> >  	chip->vendor.iobase = ioremap(start, len);
> 
> Since this changes the ordering, can we devm this ioremap?

Hmm... I was going to do that but forgot it. I'll add this to my
backlog.

> Jason
/Jarkko
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