diff options
Diffstat (limited to 'drivers/amba/tegra-ahb.c')
| -rw-r--r-- | drivers/amba/tegra-ahb.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c index 0b6f0b28a487..093c43554963 100644 --- a/drivers/amba/tegra-ahb.c +++ b/drivers/amba/tegra-ahb.c @@ -20,10 +20,12 @@ * */ +#include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/tegra-ahb.h> #define DRV_NAME "tegra-ahb" @@ -128,7 +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); @@ -156,6 +158,7 @@ int tegra_ahb_enable_smmu(struct device_node *dn) EXPORT_SYMBOL(tegra_ahb_enable_smmu); #endif +#ifdef CONFIG_PM_SLEEP static int tegra_ahb_suspend(struct device *dev) { int i; @@ -175,6 +178,7 @@ static int tegra_ahb_resume(struct device *dev) gizmo_writel(ahb, ahb->ctx[i], tegra_ahb_gizmo[i]); return 0; } +#endif static UNIVERSAL_DEV_PM_OPS(tegra_ahb_pm, tegra_ahb_suspend, @@ -240,7 +244,7 @@ static void tegra_ahb_gizmo_init(struct tegra_ahb *ahb) gizmo_writel(ahb, val, AHB_MEM_PREFETCH_CFG4); } -static int __devinit tegra_ahb_probe(struct platform_device *pdev) +static int tegra_ahb_probe(struct platform_device *pdev) { struct resource *res; struct tegra_ahb *ahb; @@ -254,9 +258,9 @@ static int __devinit tegra_ahb_probe(struct platform_device *pdev) 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); @@ -264,7 +268,7 @@ static int __devinit tegra_ahb_probe(struct platform_device *pdev) return 0; } -static const struct of_device_id tegra_ahb_of_match[] __devinitconst = { +static const struct of_device_id tegra_ahb_of_match[] = { { .compatible = "nvidia,tegra30-ahb", }, { .compatible = "nvidia,tegra20-ahb", }, {}, |