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Subject[PATCH] pci: convert to devm_ioremap_resource()
Date
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
---
arch/mips/pci/pci-ar724x.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c
index 8a0700d..65ec032 100644
--- a/arch/mips/pci/pci-ar724x.c
+++ b/arch/mips/pci/pci-ar724x.c
@@ -365,25 +365,25 @@ static int ar724x_pci_probe(struct platform_device *pdev)
if (!res)
return -EINVAL;

- apc->ctrl_base = devm_request_and_ioremap(&pdev->dev, res);
- if (apc->ctrl_base == NULL)
- return -EBUSY;
+ apc->ctrl_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(apc->ctrl_base))
+ return PTR_ERR(apc->ctrl_base);

res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base");
if (!res)
return -EINVAL;

- apc->devcfg_base = devm_request_and_ioremap(&pdev->dev, res);
- if (!apc->devcfg_base)
- return -EBUSY;
+ apc->devcfg_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(apc->devcfg_base))
+ return PTR_ERR(apc->devcfg_base);

res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base");
if (!res)
return -EINVAL;

- apc->crp_base = devm_request_and_ioremap(&pdev->dev, res);
- if (apc->crp_base == NULL)
- return -EBUSY;
+ apc->crp_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(apc->crp_base))
+ return PTR_ERR(apc->crp_base);

apc->irq = platform_get_irq(pdev, 0);
if (apc->irq < 0)
--
1.7.9.5


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