From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
The software will still get non-zero Expansion ROM BAR size even when the BAR_EN bit is cleared. The BAR_EN bit of register EXP_ROM_BAR_MASK_RC is not working as expected, so this patch changes to mask all the bits to make it.
Fixes: 80afc63fc342 ("pci: layerscape: add pci driver based on DM") Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- drivers/pci/pcie_layerscape.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 5ad7c28773..96533cb2d9 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -325,7 +325,7 @@ static void ls_pcie_disable_bars(struct ls_pcie *pcie)
dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_0); dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1); - dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1); + dbi_writel(pcie, 0xfffffffe, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1); }
static void ls_pcie_setup_ctrl(struct ls_pcie *pcie)