From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Jarkko Sakkinen
<jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: "Martin Wilck"
<Martin.Wilck-RJz4owOZxyXQFUHtdCDX3A@public.gmane.org>,
tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Uwe Kleine-König"
<u.kleine-koenig-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Subject: Re: [PATCH v3 2/7] tpm_tis: Disable interrupt auto probing on a per-device basis
Date: Mon, 4 Jan 2016 11:24:42 -0700 [thread overview]
Message-ID: <20160104182442.GC20016@obsidianresearch.com> (raw)
In-Reply-To: <20160103172040.GB4155-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
On Sun, Jan 03, 2016 at 07:20:40PM +0200, Jarkko Sakkinen wrote:
> On Thu, Dec 17, 2015 at 11:23:15AM -0700, Jason Gunthorpe wrote:
> > Instead of clearing the global interrupts flag when any device
> > does not have an interrupt just pass -1 through tpm_info.irq.
> >
> > The only thing that asks for autoprobing is the force=1 path.
>
> Sorry for my ignorance but what does this patch help? Why interrupts
> flag is not enough?
It is wrong for a driver's probe function to change global state, and
very wrong to change a module option.
> > Signed-off-by: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
> > Tested-by: Wilck, Martin <martin.wilck-RJz4owOZxyXQFUHtdCDX3A@public.gmane.org>
> > Tested-by: Jarkko Sakkinen <jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
>
> Did I already give Tested-by's for this series (I did for those that
> went into v4.5 pull request)?
You said you tested the crb stuff, which is this series... Did you
test something else?
Jason
------------------------------------------------------------------------------
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
"Martin Wilck" <Martin.Wilck@ts.fujitsu.com>,
"Peter Huewe" <peterhuewe@gmx.de>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Subject: Re: [PATCH v3 2/7] tpm_tis: Disable interrupt auto probing on a per-device basis
Date: Mon, 4 Jan 2016 11:24:42 -0700 [thread overview]
Message-ID: <20160104182442.GC20016@obsidianresearch.com> (raw)
In-Reply-To: <20160103172040.GB4155@intel.com>
On Sun, Jan 03, 2016 at 07:20:40PM +0200, Jarkko Sakkinen wrote:
> On Thu, Dec 17, 2015 at 11:23:15AM -0700, Jason Gunthorpe wrote:
> > Instead of clearing the global interrupts flag when any device
> > does not have an interrupt just pass -1 through tpm_info.irq.
> >
> > The only thing that asks for autoprobing is the force=1 path.
>
> Sorry for my ignorance but what does this patch help? Why interrupts
> flag is not enough?
It is wrong for a driver's probe function to change global state, and
very wrong to change a module option.
> > Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> > Tested-by: Wilck, Martin <martin.wilck@ts.fujitsu.com>
> > Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
>
> Did I already give Tested-by's for this series (I did for those that
> went into v4.5 pull request)?
You said you tested the crb stuff, which is this series... Did you
test something else?
Jason
next prev parent reply other threads:[~2016-01-04 18:24 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-17 18:23 [PATCH v3 0/7] tpm_tis: Clean up force module parameter Jason Gunthorpe
2015-12-17 18:23 ` [PATCH v3 1/7] tpm_crb: Use the common ACPI definition of struct acpi_tpm2 Jason Gunthorpe
[not found] ` <1450376600-6970-2-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 17:09 ` Jarkko Sakkinen
2016-01-03 17:09 ` Jarkko Sakkinen
[not found] ` <20160103170906.GA4155-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 18:23 ` Jason Gunthorpe
2016-01-04 18:23 ` Jason Gunthorpe
[not found] ` <20160104182317.GB20016-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-04 18:49 ` Jarkko Sakkinen
2016-01-04 18:49 ` Jarkko Sakkinen
2015-12-17 18:23 ` [PATCH v3 2/7] tpm_tis: Disable interrupt auto probing on a per-device basis Jason Gunthorpe
[not found] ` <1450376600-6970-3-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 17:20 ` Jarkko Sakkinen
2016-01-03 17:20 ` Jarkko Sakkinen
[not found] ` <20160103172040.GB4155-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 18:24 ` Jason Gunthorpe [this message]
2016-01-04 18:24 ` Jason Gunthorpe
[not found] ` <20160104182442.GC20016-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-04 18:32 ` Jarkko Sakkinen
2016-01-04 18:32 ` Jarkko Sakkinen
2015-12-17 18:23 ` [PATCH v3 3/7] tpm_tis: Do not fall back to a hardcoded address for TPM2 Jason Gunthorpe
[not found] ` <1450376600-6970-4-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-18 9:34 ` Jarkko Sakkinen
2015-12-18 9:34 ` Jarkko Sakkinen
2015-12-18 16:51 ` Jason Gunthorpe
[not found] ` <20151218165127.GC7354-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-20 12:34 ` Jarkko Sakkinen
2015-12-20 12:34 ` Jarkko Sakkinen
2015-12-17 18:23 ` [PATCH v3 4/7] tpm_tis: Use devm_ioremap_resource Jason Gunthorpe
[not found] ` <1450376600-6970-5-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 17:23 ` Jarkko Sakkinen
2016-01-03 17:23 ` Jarkko Sakkinen
2015-12-17 18:23 ` [PATCH v3 5/7] tpm_tis: Clean up the force=1 module parameter Jason Gunthorpe
2016-01-03 17:26 ` Jarkko Sakkinen
2016-01-04 18:27 ` Jason Gunthorpe
2015-12-17 18:23 ` [PATCH v3 6/7] tpm_crb: Drop le32_to_cpu(ioread32(..)) Jason Gunthorpe
[not found] ` <1450376600-6970-7-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 17:28 ` Jarkko Sakkinen
2016-01-03 17:28 ` Jarkko Sakkinen
2015-12-17 18:23 ` [PATCH v3 7/7] tpm_crb: Use devm_ioremap_resource Jason Gunthorpe
[not found] ` <1450376600-6970-8-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 17:32 ` Jarkko Sakkinen
2016-01-03 17:32 ` Jarkko Sakkinen
[not found] ` <20160103173213.GF4155-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 18:30 ` Jason Gunthorpe
2016-01-04 18:30 ` Jason Gunthorpe
2016-01-04 19:43 ` Jarkko Sakkinen
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