linux-kernel - [PATCHv5 1/2] PCI: layerscape: Add the bar_fixed

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Message-Id: <20190813062840.2733-1-xiaowei.bao@nxp.com>
Date:   Tue, 13 Aug 2019 14:28:39 +0800
From:   Xiaowei Bao <xiaowei.bao@....com>
To:     lorenzo.pieralisi@....com, bhelgaas@...gle.com,
        minghuan.Lian@....com, mingkai.hu@....com, roy.zang@....com,
        l.stach@...gutronix.de, kishon@...com, tpiepho@...inj.com,
        leonard.crestez@....com, andrew.smirnov@...il.com,
        yue.wang@...ogic.com, hayashi.kunihiko@...ionext.com,
        dwmw@...zon.co.uk, jonnyc@...zon.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Xiaowei Bao <xiaowei.bao@....com>
Subject: [PATCHv5 1/2] PCI: layerscape: Add the bar_fixed_64bit property in EP driver.

The PCIe controller of layerscape just have 4 BARs, BAR0 and BAR1
is 32bit, BAR2 and BAR4 is 64bit, this is determined by hardware,
so set the bar_fixed_64bit with 0x14.

Signed-off-by: Xiaowei Bao <xiaowei.bao@....com>
---
v2:
 - Replace value 0x14 with a macro.
v3:
 - No change.
v4:
 - send the patch again with '--to'.
v5:
 - fix the commit message.

 drivers/pci/controller/dwc/pci-layerscape-ep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
index be61d96..ca9aa45 100644
--- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
+++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -44,6 +44,7 @@ static const struct pci_epc_features ls_pcie_epc_features = {
 	.linkup_notifier = false,
 	.msi_capable = true,
 	.msix_capable = false,
+	.bar_fixed_64bit = (1 << BAR_2) | (1 << BAR_4),
 };
 
 static const struct pci_epc_features*
-- 
2.9.5