linux-kernel - [PATCH 0/2] Fix Altera PCIe configuration type handling

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Date:   Fri, 24 May 2019 14:07:24 +0800
From:   Ley Foon Tan <ley.foon.tan@...el.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        lftan.linux@...il.com, Ley Foon Tan <ley.foon.tan@...el.com>
Subject: [PATCH 0/2] Fix Altera PCIe configuration type handling

This fix issue when access config from PCIe switch.

Stratix 10 PCIe controller does not support Type 1 to Type 0 conversion
as previous version (V1) does.

The PCIe controller need to send Type 0 config TLP if the targeting bus
matches with the secondary bus number, which is when the TLP is targeting
the immediate device on the link.

The PCIe controller send Type 1 config TLP if the targeting bus is
larger than the secondary bus, which is when the TLP is targeting the
device not immediate on the link.

Ley Foon Tan (2):
  PCI: altera: Fix configuration type based on secondary number
  PCI: altera: Remove cfgrdX and cfgwrX

 drivers/pci/controller/pcie-altera.c | 47 ++++++++++++++--------------
 1 file changed, 24 insertions(+), 23 deletions(-)

-- 
2.19.0