From 98f1ad258254d89ffb550a36d59caf9127a9d53f Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 6 Jul 2012 13:28:37 +0200 Subject: iommu/amd: Fix sparse warnings A few sparse warnings fire in drivers/iommu/amd_iommu_init.c. Fix most of them with this patch. Also fix the sparse warnings in drivers/iommu/irq_remapping.c while at it. Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu_init.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) (limited to 'drivers/iommu/amd_iommu_init.c') diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index a33612f3206f..55f2033ea69b 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -190,12 +190,6 @@ static u32 dev_table_size; /* size of the device table */ static u32 alias_table_size; /* size of the alias table */ static u32 rlookup_table_size; /* size if the rlookup table */ -/* - * This function flushes all internal caches of - * the IOMMU used by this driver. - */ -extern void iommu_flush_all_caches(struct amd_iommu *iommu); - static int amd_iommu_enable_interrupts(void); static inline void update_last_devid(u16 devid) @@ -358,7 +352,7 @@ static void iommu_disable(struct amd_iommu *iommu) * mapping and unmapping functions for the IOMMU MMIO space. Each AMD IOMMU in * the system has one. */ -static u8 * __init iommu_map_mmio_space(u64 address) +static u8 __iomem * __init iommu_map_mmio_space(u64 address) { if (!request_mem_region(address, MMIO_REGION_LENGTH, "amd_iommu")) { pr_err("AMD-Vi: Can not reserve memory region %llx for mmio\n", @@ -367,7 +361,7 @@ static u8 * __init iommu_map_mmio_space(u64 address) return NULL; } - return ioremap_nocache(address, MMIO_REGION_LENGTH); + return (u8 __iomem *)ioremap_nocache(address, MMIO_REGION_LENGTH); } static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu) @@ -1217,7 +1211,7 @@ static int __init init_exclusion_range(struct ivmd_header *m) /* called for unity map ACPI definition */ static int __init init_unity_map_range(struct ivmd_header *m) { - struct unity_map_entry *e = 0; + struct unity_map_entry *e = NULL; char *s; e = kzalloc(sizeof(*e), GFP_KERNEL); @@ -1727,8 +1721,8 @@ __setup("amd_iommu=", parse_amd_iommu_options); IOMMU_INIT_FINISH(amd_iommu_detect, gart_iommu_hole_init, - 0, - 0); + NULL, + NULL); bool amd_iommu_v2_supported(void) { -- cgit v1.2.3