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freifunkist-firmware/target/linux/mvebu/patches-3.10/0199-PCI-mvebu-Convert-to-u...

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From 508e3a33ebe14ae4444a45b3f65dff5d5e6a4c73 Mon Sep 17 00:00:00 2001
From: Tushar Behera <tushar.behera@linaro.org>
Date: Mon, 17 Jun 2013 14:46:13 +0530
Subject: [PATCH 199/203] PCI: mvebu: Convert to use devm_ioremap_resource
Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()")
introduced devm_ioremap_resource() and deprecated the use of
devm_request_and_ioremap().
While at it, modify mvebu_pcie_map_registers() to propagate error code.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
drivers/pci/host/pci-mvebu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -736,9 +736,9 @@ mvebu_pcie_map_registers(struct platform
ret = of_address_to_resource(np, 0, &regs);
if (ret)
- return NULL;
+ return ERR_PTR(ret);
- return devm_request_and_ioremap(&pdev->dev, &regs);
+ return devm_ioremap_resource(&pdev->dev, &regs);
}
static void __init mvebu_pcie_msi_enable(struct mvebu_pcie *pcie)
@@ -897,9 +897,10 @@ static int __init mvebu_pcie_probe(struc
}
port->base = mvebu_pcie_map_registers(pdev, child, port);
- if (!port->base) {
+ if (IS_ERR(port->base)) {
dev_err(&pdev->dev, "PCIe%d.%d: cannot map registers\n",
port->port, port->lane);
+ port->base = NULL;
continue;
}