PCI: aardvark: Disable common PHY when unbinding driver

commit fdbbe242c15a8f2cd0e3ad8a56cd0a447b771d0d upstream.

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>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 3f6919564434be33506903d17e04906aa19288d2..ae0219ae730aafba122b3fd025ca0be90b8f253a 100644 (file)
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -1734,6 +1734,9 @@ 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;
 }