[PATCHv3 3/9] PCI: layerscape: add class code and multifunction fixups for ls1021a

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>

The current code depends on these 2 fixups implemented in bootloader,
this patch is to resolve the dependence.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
---
V3:
 - New patch

 drivers/pci/dwc/pci-layerscape.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
index c169400..3aa3421 100644
--- a/drivers/pci/dwc/pci-layerscape.c
+++ b/drivers/pci/dwc/pci-layerscape.c
@@ -134,6 +134,11 @@ static int ls1021_pcie_host_init(struct pcie_port *pp)
 
 	dw_pcie_setup_rc(pp);
 
+	iowrite32(1, pci->dbi_base + PCIE_DBI_RO_WR_EN);
+	ls_pcie_fix_class(pcie);
+	ls_pcie_clear_multifunction(pcie);
+	iowrite32(0, pci->dbi_base + PCIE_DBI_RO_WR_EN);
+
 	ls_pcie_drop_msg_tlp(pcie);
 
 	return 0;
-- 
2.1.0.27.g96db324




[Index of Archives]     [DMA Engine]     [Linux Coverity]     [Linux USB]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Greybus]

  Powered by Linux