[PATCH 4/6] iommu/exynos: Convert to devm_platform_ioremap_resource()

From: Yangtao Li
Date: Wed Jul 05 2023 - 09:04:47 EST


Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
---
drivers/iommu/exynos-iommu.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index c275fe71c4db..ab6208015997 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -725,19 +725,17 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
int irq, ret;
struct device *dev = &pdev->dev;
struct sysmmu_drvdata *data;
- struct resource *res;

data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- data->sfrbase = devm_ioremap_resource(dev, res);
+ data->sfrbase = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->sfrbase))
return PTR_ERR(data->sfrbase);

irq = platform_get_irq(pdev, 0);
- if (irq <= 0)
+ if (irq < 0)
return irq;

ret = devm_request_irq(dev, irq, exynos_sysmmu_irq, 0,
--
2.39.0