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From: Doug Ledford <dledford@redhat.com>
To: Frederick Lawler <fred@fredlawl.com>,
	bhelgaas@google.com, mike.marciniszyn@intel.com,
	dennis.dalessandro@intel.com, jgg@mellanox.com
Cc: linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: Re: [PATCH v3 0/2] IB/hfi1: Cleanup PCIe link configuration
Date: Fri, 27 Apr 2018 12:14:05 -0400	[thread overview]
Message-ID: <1524845645.11756.56.camel@redhat.com> (raw)
In-Reply-To: <20180417002825.2737-1-fred@fredlawl.com>

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On Mon, 2018-04-16 at 19:28 -0500, Frederick Lawler wrote:
> The IB/hfi1 driver uses custom macros to configure the target link speed. Some 
> macros were previously replaced, but not fully. This patch series addresses the
> configuration inconsistencies by adding PCI_EXP_LNKCTL2_TLS* macros to PCI,
> and then use them in the following IB/hfi1 patch.
> 
> V3: 
> 	* PCI: Add PCI_EXP_LNKCTL2_TLS_* macros
> 	* Drop patch to use extract_speed() in do_pcie_gen3_transition()
> V2:
> 	* s/LINK/LNK
> 
> Frederick Lawler (2):
>   PCI: Add PCI_EXP_LNKCTL2_TLS* macros
>   IB/hfi1: Replace custom hfi1 macros with PCIe macros
> 
>  drivers/infiniband/hw/hfi1/pcie.c | 24 ++++++++----------------
>  include/uapi/linux/pci_regs.h     |  5 +++++
>  2 files changed, 13 insertions(+), 16 deletions(-)
> 

Where do we stand on this series?  People talked about what the core
might be able to do, or how the driver might be able to do things a
little differently, but I didn't hear a clear conclusion on whether or
not to take this series as is (it seems to be a sensible cleanup and
possibly worthwhile even if we end up changing the hfi1 driver to do a
firmware updated followed by a device reset to get the same results). 
And more importantly as far as I'm concerned, is this sitting on my
plate or on the PCI people's plate?

-- 
Doug Ledford <dledford@redhat.com>
    GPG KeyID: B826A3330E572FDD
    Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD

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  parent reply	other threads:[~2018-04-27 16:14 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-17  0:28 [PATCH v3 0/2] IB/hfi1: Cleanup PCIe link configuration Frederick Lawler
2018-04-17  0:28 ` [PATCH v3 1/2] PCI: Add PCI_EXP_LNKCTL2_TLS* macros Frederick Lawler
2018-04-17  0:28 ` [PATCH v3 2/2] IB/hfi1: Replace custom hfi1 macros with PCIe macros Frederick Lawler
2018-04-20 18:21   ` Ruhl, Michael J
2018-04-17  6:53 ` [PATCH v3 0/2] IB/hfi1: Cleanup PCIe link configuration Christoph Hellwig
2018-04-17 14:32   ` Bjorn Helgaas
2018-04-18 21:53     ` Dennis Dalessandro
2018-04-17 15:56   ` Marciniszyn, Mike
2018-04-17 17:19     ` Bjorn Helgaas
2018-04-20 17:03       ` Dennis Dalessandro
2018-04-27 16:14 ` Doug Ledford [this message]
2018-04-27 17:58 ` Bjorn Helgaas
2018-04-27 18:18   ` Doug Ledford

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