diff options
Diffstat (limited to 'drivers/amba/tegra-ahb.c')
| -rw-r--r-- | drivers/amba/tegra-ahb.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c index 536c166f425..558a239954e 100644 --- a/drivers/amba/tegra-ahb.c +++ b/drivers/amba/tegra-ahb.c @@ -20,6 +20,7 @@ * */ +#include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -129,7 +130,7 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset) writel(value, ahb->regs + offset); } -#ifdef CONFIG_ARCH_TEGRA_3x_SOC +#ifdef CONFIG_TEGRA_IOMMU_SMMU static int tegra_ahb_match_by_smmu(struct device *dev, void *data) { struct tegra_ahb *ahb = dev_get_drvdata(dev); @@ -157,7 +158,7 @@ int tegra_ahb_enable_smmu(struct device_node *dn) EXPORT_SYMBOL(tegra_ahb_enable_smmu); #endif -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM static int tegra_ahb_suspend(struct device *dev) { int i; @@ -255,11 +256,9 @@ static int tegra_ahb_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENODEV; - ahb->regs = devm_request_and_ioremap(&pdev->dev, res); - if (!ahb->regs) - return -EBUSY; + ahb->regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(ahb->regs)) + return PTR_ERR(ahb->regs); ahb->dev = &pdev->dev; platform_set_drvdata(pdev, ahb); |