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SubjectRe: [PATCH V2 6/6] pci: mvebu: Convert to use devm_ioremap_resource
[+cc Thomas]

On Mon, Jun 17, 2013 at 3:16 AM, Tushar Behera <tushar.behera@linaro.org> wrote:
> 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>
> CC: linux-pci@vger.kernel.org
> CC: Bjorn Helgaas <bhelgaas@google.com>

Acked-by: Bjorn Helgaas <bhelgaas@google.com>

Thomas has a bunch of mvebu patches in the pipeline, so I assume he
will incorporate this if appropriate. I don't want to put it in my
tree and cause conflicts with his changes. Let me know if I should do
something else here.

Bjorn

> ---
> Changes for V2:
> * Return proper error code in mvebu_pcie_map_registers.
>
> drivers/pci/host/pci-mvebu.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
> index 13a633b..8fc2a82 100644
> --- a/drivers/pci/host/pci-mvebu.c
> +++ b/drivers/pci/host/pci-mvebu.c
> @@ -750,9 +750,9 @@ mvebu_pcie_map_registers(struct platform_device *pdev,
>
> 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 int __init mvebu_pcie_probe(struct platform_device *pdev)
> @@ -842,9 +842,10 @@ static int __init mvebu_pcie_probe(struct platform_device *pdev)
> continue;
>
> 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;
> }
>
> --
> 1.7.9.5
>


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