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From: Bjorn Helgaas <helgaas@kernel.org>
To: Kuppuswamy Sathyanarayanan  <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	ashok.raj@intel.com
Subject: Re: [PATCH v15 3/5] PCI/EDR: Export AER, DPC and error recovery functions
Date: Wed, 26 Feb 2020 15:48:55 -0600	[thread overview]
Message-ID: <20200226214855.GA175196@google.com> (raw)
In-Reply-To: <2b37ed9b-3d6f-ea94-4591-86f9d5bbe543@linux.intel.com>

On Wed, Feb 26, 2020 at 01:26:09PM -0800, Kuppuswamy Sathyanarayanan wrote:
> On 2/26/20 1:13 PM, Bjorn Helgaas wrote:
> > On Wed, Feb 26, 2020 at 11:30:43AM -0800, Kuppuswamy Sathyanarayanan wrote:
> > > On 2/25/20 5:02 PM, Bjorn Helgaas wrote:
> > > > On Thu, Feb 13, 2020 at 10:20:15AM -0800, sathyanarayanan.kuppuswamy@linux.intel.com wrote:
> > > > > From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
> > > > > ...

> > > > > diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
> > > > > index 99fca8400956..acae12dbf9ff 100644
> > > > > --- a/drivers/pci/pcie/dpc.c
> > > > > +++ b/drivers/pci/pcie/dpc.c
> > > > > @@ -15,15 +15,9 @@
> > > > >    #include <linux/pci.h>
> > > > >    #include "portdrv.h"
> > > > > +#include "dpc.h"
> > > > >    #include "../pci.h"
> > > > > -struct dpc_dev {
> > > > > -	struct pci_dev		*pdev;
> > > > > -	u16			cap_pos;
> > > > > -	bool			rp_extensions;
> > > > > -	u8			rp_log_size;
> > > > > -};

> > > > Adding dpc.h shouldn't be in this patch because there's no need for a
> > > > separate dpc.h file yet -- it's only included this one place.  I'm not
> > > > positive a dpc.h is needed at all -- see comments on patch [4/5].

> > > Yes, if we use pdev in dpc functions used by EDR code, we should
> > > not need it.

> > I think struct dpc_dev might be more trouble than it's worth.  I
> > attached a possible patch at the end that folds the 25 bits of
> > DPC-related info into the struct pci_dev and gets rid of struct
> > dpc_dev completely.  I compiled it but haven't tested it.

> That would solve most of my export issues. Do you want me
> to add it to my patch list or merge it separately.

If you want to use that, I would merge it first, followed by the error
clearing cleanup, followed by the other EDR stuff.

Bjorn

  reply	other threads:[~2020-02-26 21:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13 18:20 [PATCH v15 0/5] Add Error Disconnect Recover (EDR) support sathyanarayanan.kuppuswamy
2020-02-13 18:20 ` [PATCH v15 1/5] PCI/ERR: Update error status after reset_link() sathyanarayanan.kuppuswamy
2020-02-26 13:41   ` Bjorn Helgaas
2020-02-13 18:20 ` [PATCH v15 2/5] PCI/DPC: Remove pcie_device reference from dpc_dev structure sathyanarayanan.kuppuswamy
2020-02-26 13:43   ` Bjorn Helgaas
2020-02-13 18:20 ` [PATCH v15 3/5] PCI/EDR: Export AER, DPC and error recovery functions sathyanarayanan.kuppuswamy
2020-02-26  1:02   ` Bjorn Helgaas
2020-02-26 19:30     ` Kuppuswamy Sathyanarayanan
2020-02-26 21:13       ` Bjorn Helgaas
2020-02-26 21:26         ` Kuppuswamy Sathyanarayanan
2020-02-26 21:48           ` Bjorn Helgaas [this message]
2020-02-13 18:20 ` [PATCH v15 4/5] PCI/DPC: Add Error Disconnect Recover (EDR) support sathyanarayanan.kuppuswamy
2020-02-26  1:02   ` Bjorn Helgaas
2020-02-26 18:42     ` Kuppuswamy Sathyanarayanan
2020-02-26 21:32       ` Bjorn Helgaas
2020-02-26 22:11         ` Kuppuswamy Sathyanarayanan
2020-02-26 22:41           ` Bjorn Helgaas
2020-02-13 18:20 ` [PATCH v15 5/5] PCI/ACPI: Enable EDR support sathyanarayanan.kuppuswamy

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