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Subject[PATCH v2 07/12] powerpc/mm: move ioremap_prot() into ioremap.c
Date
Both ioremap_prot() are idenfical, move them into ioremap.c

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/mm/ioremap.c | 19 +++++++++++++++++++
arch/powerpc/mm/pgtable_32.c | 17 -----------------
arch/powerpc/mm/pgtable_64.c | 24 ------------------------
3 files changed, 19 insertions(+), 41 deletions(-)

diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c
index 7f1d462e7745..3d388aaa3ee6 100644
--- a/arch/powerpc/mm/ioremap.c
+++ b/arch/powerpc/mm/ioremap.c
@@ -34,3 +34,22 @@ void __iomem *ioremap_coherent(phys_addr_t addr, unsigned long size)
return iowa_ioremap(addr, size, prot, caller);
return __ioremap_caller(addr, size, prot, caller);
}
+
+void __iomem *ioremap_prot(phys_addr_t addr, unsigned long size, unsigned long flags)
+{
+ pte_t pte = __pte(flags);
+ void *caller = __builtin_return_address(0);
+
+ /* writeable implies dirty for kernel addresses */
+ if (pte_write(pte))
+ pte = pte_mkdirty(pte);
+
+ /* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
+ pte = pte_exprotect(pte);
+ pte = pte_mkprivileged(pte);
+
+ if (iowa_is_active())
+ return iowa_ioremap(addr, size, pte_pgprot(pte), caller);
+ return __ioremap_caller(addr, size, pte_pgprot(pte), caller);
+}
+EXPORT_SYMBOL(ioremap_prot);
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 3a4972007ec0..b0f2d45da232 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -48,23 +48,6 @@ ioremap_wt(phys_addr_t addr, unsigned long size)
EXPORT_SYMBOL(ioremap_wt);

void __iomem *
-ioremap_prot(phys_addr_t addr, unsigned long size, unsigned long flags)
-{
- pte_t pte = __pte(flags);
-
- /* writeable implies dirty for kernel addresses */
- if (pte_write(pte))
- pte = pte_mkdirty(pte);
-
- /* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
- pte = pte_exprotect(pte);
- pte = pte_mkprivileged(pte);
-
- return __ioremap_caller(addr, size, pte_pgprot(pte), __builtin_return_address(0));
-}
-EXPORT_SYMBOL(ioremap_prot);
-
-void __iomem *
__ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *caller)
{
unsigned long v, i;
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 358233ea8d85..2b9078e1bc43 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -203,29 +203,6 @@ void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size,
return ret;
}

-void __iomem * ioremap_prot(phys_addr_t addr, unsigned long size,
- unsigned long flags)
-{
- pte_t pte = __pte(flags);
- void *caller = __builtin_return_address(0);
-
- /* writeable implies dirty for kernel addresses */
- if (pte_write(pte))
- pte = pte_mkdirty(pte);
-
- /* we don't want to let _PAGE_EXEC leak out */
- pte = pte_exprotect(pte);
- /*
- * Force kernel mapping.
- */
- pte = pte_mkprivileged(pte);
-
- if (iowa_is_active())
- return iowa_ioremap(addr, size, pte_pgprot(pte), caller);
- return __ioremap_caller(addr, size, pte_pgprot(pte), caller);
-}
-
-
/*
* Unmap an IO region and remove it from imalloc'd list.
* Access to IO memory should be serialized by driver.
@@ -247,7 +224,6 @@ void iounmap(volatile void __iomem *token)
vunmap(addr);
}

-EXPORT_SYMBOL(ioremap_prot);
EXPORT_SYMBOL(__ioremap_at);
EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(__iounmap_at);
--
2.13.3
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