From: Pali Rohár Date: Fri, 22 Oct 2021 14:22:13 +0000 (+0200) Subject: pci: pci_mvebu: Do not automatically enable bus mastering on PCI Bridge X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=42ab3b30046007f000adfd67427a72593f5b3d81;p=u-boot.git pci: pci_mvebu: Do not automatically enable bus mastering on PCI Bridge Now that PCI Bridge is working, U-Boot's CONFIG_PCI_PNP code automatically enables memory access and bus mastering when it is needed. So do not prematurely enable memory access and bus mastering. Signed-off-by: Pali Rohár Reviewed-by: Marek Behún Reviewed-by: Stefan Roese --- diff --git a/drivers/pci/pci_mvebu.c b/drivers/pci/pci_mvebu.c index 4cb237d2c4..4c7fd8d5a9 100644 --- a/drivers/pci/pci_mvebu.c +++ b/drivers/pci/pci_mvebu.c @@ -451,14 +451,6 @@ static int mvebu_pcie_probe(struct udevice *dev) /* Setup windows and configure host bridge */ mvebu_pcie_setup_wins(pcie); - /* Master + slave enable. */ - reg = readl(pcie->base + PCIE_CMD_OFF); - reg |= PCI_COMMAND_MEMORY; - reg |= PCI_COMMAND_IO; - reg |= PCI_COMMAND_MASTER; - reg |= BIT(10); /* disable interrupts */ - writel(reg, pcie->base + PCIE_CMD_OFF); - /* PCI memory space */ pci_set_region(hose->regions + 0, pcie->mem.start, pcie->mem.start, PCIE_MEM_SIZE, PCI_REGION_MEM);