diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch b/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch new file mode 100644 index 0000000000..6caa6eb362 --- /dev/null +++ b/target/linux/generic/backport-5.15/850-v5.17-0011-PCI-aardvark-Disable-common-PHY-when-unbinding-drive.patch @@ -0,0 +1,30 @@ +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(+) + +--- a/drivers/pci/controller/pci-aardvark.c ++++ b/drivers/pci/controller/pci-aardvark.c +@@ -1751,6 +1751,9 @@ static int advk_pcie_remove(struct platf + for (i = 0; i < OB_WIN_COUNT; i++) + advk_pcie_disable_ob_win(pcie, i); + ++ /* Disable phy */ ++ advk_pcie_disable_phy(pcie); ++ + return 0; + } + |