diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch b/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch deleted file mode 100644 index 3e309159d0..0000000000 --- a/target/linux/generic/backport-5.15/850-v5.17-0009-PCI-aardvark-Assert-PERST-when-unbinding-driver.patch +++ /dev/null @@ -1,33 +0,0 @@ -From 1f54391be8ce0c981d312cb93acdc5608def576a Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Tue, 30 Nov 2021 18:29:11 +0100 -Subject: [PATCH] PCI: aardvark: Assert PERST# when unbinding driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Put the PCIe card into reset by asserting PERST# signal when unbinding -driver. It doesn't make sense to leave the card working if it can't -communicate with the host. This should also save some power. - -Link: https://lore.kernel.org/r/20211130172913.9727-10-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 | 4 ++++ - 1 file changed, 4 insertions(+) - ---- a/drivers/pci/controller/pci-aardvark.c -+++ b/drivers/pci/controller/pci-aardvark.c -@@ -1721,6 +1721,10 @@ static int advk_pcie_remove(struct platf - /* Free config space for emulated root bridge */ - pci_bridge_emul_cleanup(&pcie->bridge); - -+ /* Assert PERST# signal which prepares PCIe card for power down */ -+ if (pcie->reset_gpio) -+ gpiod_set_value_cansleep(pcie->reset_gpio, 1); -+ - /* Disable outbound address windows mapping */ - for (i = 0; i < OB_WIN_COUNT; i++) - advk_pcie_disable_ob_win(pcie, i); |