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authorMarek Behún <kabel@kernel.org>2022-01-09 22:40:31 +0100
committerChristian Lamparter <chunkeey@gmail.com>2022-01-15 17:26:55 +0100
commit612e1c68016495d69dc87eac5c1b1c845532d2a7 (patch)
tree7658022bb0a0c59f047dc8eab1b7da763b984997 /target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch
parent9d530ac4bf6b9804a06dbf5df4631ee86f1304c1 (diff)
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kernel: 5.10: Backport pci-aardvark driver changes from 5.17
Backport Aardvark PCIe controller driver changes that will appear in 5.17 kernel. They are currently accessible on LKML [1], in linux-next repository [2], or in Bjorn Helgaas' repository [3]. These changes mainly enhance driver removal method. [1] https://lore.kernel.org/linux-pci/20211130172913.9727-1-kabel@kernel.org/ [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/drivers/pci?h=next-20220107 [3] https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=next Signed-off-by: Marek Behún <kabel@kernel.org>
Diffstat (limited to 'target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch')
-rw-r--r--target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch b/target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch
new file mode 100644
index 0000000000..b1904a4bd6
--- /dev/null
+++ b/target/linux/generic/backport-5.10/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch
@@ -0,0 +1,35 @@
+From fdbbe242c15a8f2cd0e3ad8a56cd0a447b771d0d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org>
+Date: Tue, 30 Nov 2021 18:29:13 +0100
+Subject: [PATCH] PCI: aardvark: Disable common PHY when unbinding driver
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Disable the PCIe PHY when unbinding driver. This should save some power.
+
+Link: https://lore.kernel.org/r/20211130172913.9727-12-kabel@kernel.org
+Signed-off-by: Pali Rohár <pali@kernel.org>
+Signed-off-by: Marek Behún <kabel@kernel.org>
+Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
+---
+ drivers/pci/controller/pci-aardvark.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
+index e5c88f1c177b..2a82c4652c28 100644
+--- a/drivers/pci/controller/pci-aardvark.c
++++ b/drivers/pci/controller/pci-aardvark.c
+@@ -1750,6 +1750,9 @@ static int advk_pcie_remove(struct platform_device *pdev)
+ for (i = 0; i < OB_WIN_COUNT; i++)
+ advk_pcie_disable_ob_win(pcie, i);
+
++ /* Disable phy */
++ advk_pcie_disable_phy(pcie);
++
+ return 0;
+ }
+
+--
+2.34.1
+