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mvebu (WRT32X and WRT3200ACM) kernel 4.19 support

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This commit is contained in:
Ycarus 2019-04-22 17:11:36 +02:00
parent 151facd559
commit 33aa6b66c1
28 changed files with 3168 additions and 0 deletions
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55
root/target/linux/mvebu/patches-4.19/526-PCI-aardvark-disable-LOS-state-by-default.patch Normal file
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From patchwork Thu Sep 28 12:58:36 2017
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [v2,5/7] PCI: aardvark: disable LOS state by default
X-Patchwork-Submitter: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
X-Patchwork-Id: 819590
Message-Id: <20170928125838.11887-6-thomas.petazzoni@free-electrons.com>
To: Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>, Gregory Clement
<gregory.clement@free-electrons.com>,
Nadav Haklai <nadavh@marvell.com>, Hanna Hawa <hannah@marvell.com>,
Yehuda Yitschak <yehuday@marvell.com>,
linux-arm-kernel@lists.infradead.org, Antoine Tenart
<antoine.tenart@free-electrons.com>, =?utf-8?q?Miqu=C3=A8l_Raynal?=
<miquel.raynal@free-electrons.com>, Victor Gu <xigu@marvell.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Date: Thu, 28 Sep 2017 14:58:36 +0200
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
List-Id: <linux-pci.vger.kernel.org>
From: Victor Gu <xigu@marvell.com>
Some PCIe devices do not support LOS, and will cause timeouts if the
root complex forces the LOS state. This patch disables the LOS state
by default.
This is part of fixing bug
https://bugzilla.kernel.org/show_bug.cgi?id=196339, this commit was
reported as the user to be important to get a Intel 7260 mini-PCIe
WiFi card working.
Fixes: 8c39d710363c1 ("PCI: aardvark: Add Aardvark PCI host controller driver")
Signed-off-by: Victor Gu <xigu@marvell.com>
Reviewed-by: Evan Wang <xswang@marvell.com>
Reviewed-by: Nadav Haklai <nadavh@marvell.com>
[Thomas: tweak commit log.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
drivers/pci/controller/pci-aardvark.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -321,8 +321,7 @@
advk_pcie_wait_for_link(pcie);
- reg = PCIE_CORE_LINK_L0S_ENTRY |
- (1 << PCIE_CORE_LINK_WIDTH_SHIFT);
+ reg = (1 << PCIE_CORE_LINK_WIDTH_SHIFT);
advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG);
reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);