[PATCH] PCI: ACPI: Fix ThunderX PEM initialization

From: Vadim Lomovtsev
Date: Mon Jan 30 2017 - 11:26:37 EST


This patch is to address PEM initialization issue
which causes network issues.

It is necessary to search for _HID:PNP0A08 while requesting
PEM resources via ACPI instead of "THRX0002".

Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev@xxxxxxxxxxxxxxxxxx>
---
drivers/pci/host/pci-thunder-pem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pci-thunder-pem.c b/drivers/pci/host/pci-thunder-pem.c
index af722eb..aec30b8 100644
--- a/drivers/pci/host/pci-thunder-pem.c
+++ b/drivers/pci/host/pci-thunder-pem.c
@@ -331,7 +331,7 @@ static int thunder_pem_acpi_init(struct pci_config_window *cfg)
if (!res_pem)
return -ENOMEM;

- ret = acpi_get_rc_resources(dev, "THRX0002", root->segment, res_pem);
+ ret = acpi_get_rc_resources(dev, "PNP0A08", root->segment, res_pem);
if (ret) {
dev_err(dev, "can't get rc base address\n");
return ret;
--
2.4.11