diff options
Diffstat (limited to 'drivers/iommu/tegra-gart.c')
| -rw-r--r-- | drivers/iommu/tegra-gart.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 779306ee7b16..0c0a37792218 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -29,15 +29,17 @@ #include <linux/device.h> #include <linux/io.h> #include <linux/iommu.h> +#include <linux/of.h> #include <asm/cacheflush.h> /* bitmap of the page sizes currently supported */ #define GART_IOMMU_PGSIZES (SZ_4K) -#define GART_CONFIG 0x24 -#define GART_ENTRY_ADDR 0x28 -#define GART_ENTRY_DATA 0x2c +#define GART_REG_BASE 0x24 +#define GART_CONFIG (0x24 - GART_REG_BASE) +#define GART_ENTRY_ADDR (0x28 - GART_REG_BASE) +#define GART_ENTRY_DATA (0x2c - GART_REG_BASE) #define GART_ENTRY_PHYS_ADDR_VALID (1 << 31) #define GART_PAGE_SHIFT 12 @@ -158,7 +160,7 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain, struct gart_client *client, *c; int err = 0; - gart = dev_get_drvdata(dev->parent); + gart = gart_handle; if (!gart) return -EINVAL; domain->priv = gart; @@ -422,6 +424,14 @@ const struct dev_pm_ops tegra_gart_pm_ops = { .resume = tegra_gart_resume, }; +#ifdef CONFIG_OF +static struct of_device_id tegra_gart_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-gart", }, + { }, +}; +MODULE_DEVICE_TABLE(of, tegra_gart_of_match); +#endif + static struct platform_driver tegra_gart_driver = { .probe = tegra_gart_probe, .remove = tegra_gart_remove, @@ -429,6 +439,7 @@ static struct platform_driver tegra_gart_driver = { .owner = THIS_MODULE, .name = "tegra-gart", .pm = &tegra_gart_pm_ops, + .of_match_table = of_match_ptr(tegra_gart_of_match), }, }; @@ -448,4 +459,5 @@ module_exit(tegra_gart_exit); MODULE_DESCRIPTION("IOMMU API for GART in Tegra20"); MODULE_AUTHOR("Hiroshi DOYU <hdoyu@nvidia.com>"); +MODULE_ALIAS("platform:tegra-gart"); MODULE_LICENSE("GPL v2"); |