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iommu-common: move to arch/sparc

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This code is only used by sparc, and all new iommu drivers should use the
drivers/iommu/ framework.  Also remove the unused exports.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
This commit is contained in:
Christoph Hellwig 2018-04-03 15:34:58 +02:00
parent 6e88628d03
commit 0d3fdb157f
8 changed files with 7 additions and 10 deletions
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0
include/linux/iommu-common.h → arch/sparc/include/asm/iommu-common.h
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2
arch/sparc/include/asm/iommu_64.h
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@ -17,7 +17,7 @@
#define IOPTE_WRITE 0x0000000000000002UL
#define IOMMU_NUM_CTXS 4096
#include <linux/iommu-common.h>
#include <asm/iommu-common.h>
struct iommu_arena {
unsigned long *map;

2
arch/sparc/kernel/Makefile
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@ -59,7 +59,7 @@ obj-$(CONFIG_SPARC32) += leon_pmc.o
obj-$(CONFIG_SPARC64) += reboot.o
obj-$(CONFIG_SPARC64) += sysfs.o
obj-$(CONFIG_SPARC64) += iommu.o
obj-$(CONFIG_SPARC64) += iommu.o iommu-common.o
obj-$(CONFIG_SPARC64) += central.o
obj-$(CONFIG_SPARC64) += starfire.o
obj-$(CONFIG_SPARC64) += power.o

5
lib/iommu-common.c → arch/sparc/kernel/iommu-common.c
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@ -8,9 +8,9 @@
#include <linux/bitmap.h>
#include <linux/bug.h>
#include <linux/iommu-helper.h>
#include <linux/iommu-common.h>
#include <linux/dma-mapping.h>
#include <linux/hash.h>
#include <asm/iommu-common.h>
static unsigned long iommu_large_alloc = 15;
@ -93,7 +93,6 @@ void iommu_tbl_pool_init(struct iommu_map_table *iommu,
p->hint = p->start;
p->end = num_entries;
}
EXPORT_SYMBOL(iommu_tbl_pool_init);
unsigned long iommu_tbl_range_alloc(struct device *dev,
struct iommu_map_table *iommu,
@ -224,7 +223,6 @@ unsigned long iommu_tbl_range_alloc(struct device *dev,
return n;
}
EXPORT_SYMBOL(iommu_tbl_range_alloc);
static struct iommu_pool *get_pool(struct iommu_map_table *tbl,
unsigned long entry)
@ -264,4 +262,3 @@ void iommu_tbl_range_free(struct iommu_map_table *iommu, u64 dma_addr,
bitmap_clear(iommu->map, entry, npages);
spin_unlock_irqrestore(&(pool->lock), flags);
}
EXPORT_SYMBOL(iommu_tbl_range_free);

2
arch/sparc/kernel/iommu.c
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@ -14,7 +14,7 @@
#include <linux/errno.h>
#include <linux/iommu-helper.h>
#include <linux/bitmap.h>
#include <linux/iommu-common.h>
#include <asm/iommu-common.h>
#ifdef CONFIG_PCI
#include <linux/pci.h>

2
arch/sparc/kernel/ldc.c
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@ -16,7 +16,7 @@
#include <linux/list.h>
#include <linux/init.h>
#include <linux/bitmap.h>
#include <linux/iommu-common.h>
#include <asm/iommu-common.h>
#include <asm/hypervisor.h>
#include <asm/iommu.h>

2
arch/sparc/kernel/pci_sun4v.c
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@ -16,7 +16,7 @@
#include <linux/export.h>
#include <linux/log2.h>
#include <linux/of_device.h>
#include <linux/iommu-common.h>
#include <asm/iommu-common.h>
#include <asm/iommu.h>
#include <asm/irq.h>

2
lib/Makefile
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@ -147,7 +147,7 @@ obj-$(CONFIG_AUDIT_GENERIC) += audit.o
obj-$(CONFIG_AUDIT_COMPAT_GENERIC) += compat_audit.o
obj-$(CONFIG_SWIOTLB) += swiotlb.o
obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o iommu-common.o
obj-$(CONFIG_IOMMU_HELPER) += iommu-helper.o
obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o
obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o