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PCI: mvebu: Fix support for PCI_BRIDGE_CTL_BUS_RESET on emulated bridge
[ Upstream commit d75404c ] Hardware supports PCIe Hot Reset via PCIE_CTRL_OFF register. Use it for implementing PCI_BRIDGE_CTL_BUS_RESET bit of PCI_BRIDGE_CONTROL register on emulated bridge. With this change the function pci_reset_secondary_bus() starts working and can reset connected PCIe card. Link: https://lore.kernel.org/r/20211125124605.25915-13-pali@kernel.org Fixes: 1f08673 ("PCI: mvebu: Convert to PCI emulated bridge config space") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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