From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
peterhuewe@gmx.de, gregkh@linuxfoundation.org,
jgunthorpe@obsidianresearch.com, akpm@linux-foundation.org,
Marcel Selhorst <tpmdd@selhorst.net>
Subject: Re: [PATCH 1/2] tpm, tpm_tis: use acpi_driver instead of pnp_driver
Date: Wed, 30 Sep 2015 08:58:35 +0300 [thread overview]
Message-ID: <20150930055835.GB3874@intel.com> (raw)
In-Reply-To: <20150929173025.GA22503@srcf.ucam.org>
On Tue, Sep 29, 2015 at 06:30:25PM +0100, Matthew Garrett wrote:
> On Tue, Sep 29, 2015 at 08:07:10PM +0300, Jarkko Sakkinen wrote:
> > Migrate to struct acpi_driver in order to get out of 7 character
> > limitation for the HID.
>
> Are we guaranteed that there are no old systems reporting these devices
> via pnpbios rather than acpi?
Right. I think it would make sense to be conservative and use
acpi_driver only for MSFT0101 because at least I don't know answer
to this question. It would be a risk to take these fixes to the stable
kernels othwerwise.
> --
> Matthew Garrett | mjg59@srcf.ucam.org
/Jarkko
next prev parent reply other threads:[~2015-09-30 5:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 17:07 [PATCH 0/2] Fix tpm_tis ACPI issue with TPM 2.0 Jarkko Sakkinen
2015-09-29 17:07 ` [PATCH 1/2] tpm, tpm_tis: use acpi_driver instead of pnp_driver Jarkko Sakkinen
2015-09-29 17:26 ` Jason Gunthorpe
2015-09-30 5:56 ` Jarkko Sakkinen
2015-09-30 6:04 ` Matthew Garrett
2015-09-29 17:30 ` Matthew Garrett
2015-09-30 5:58 ` Jarkko Sakkinen [this message]
2015-09-30 6:02 ` Matthew Garrett
2015-09-29 17:07 ` [PATCH 2/2] tpm, tpm_tis: detect TPM2 FIFO devices based on HID Jarkko Sakkinen
2015-09-29 17:43 ` kbuild test robot
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