[PATCH 2/2] pci: layerscape: Fix the BARs disable function

Z.q. Hou zhiqiang.hou at nxp.com
Tue Dec 17 11:10:43 CET 2019


From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>

There is not any difference for disabling BARs in RC mode
between PCIe controllers with and without SRIOV.

Fixes: 80afc63fc342 ("pci: layerscape: add pci driver based on DM")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
---
 drivers/pci/pcie_layerscape.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 96533cb2d9..d8ca7e71f8 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -312,17 +312,6 @@ static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
 /* Disable all bars in RC mode */
 static void ls_pcie_disable_bars(struct ls_pcie *pcie)
 {
-	u32 sriov;
-
-	sriov = in_le32(pcie->dbi + PCIE_SRIOV);
-
-	/*
-	 * TODO: For PCIe controller with SRIOV, the method to disable bars
-	 * is different and more complex, so will add later.
-	 */
-	if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV)
-		return;
-
 	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, 0xfffffffe, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1);
-- 
2.17.1



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