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ARM: add permission annotations to MT_MEMORY* mapping types

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Document the permissions which the various MT_MEMORY* mapping types
will provide.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2013-10-24 10:26:40 +01:00
parent 1fd15b879d
commit 2e2c9de207
8 changed files with 38 additions and 36 deletions
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4
arch/arm/mm/ioremap.c
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@@ -392,9 +392,9 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached)
unsigned int mtype;
if (cached)
mtype = MT_MEMORY;
mtype = MT_MEMORY_RWX;
else
mtype = MT_MEMORY_NONCACHED;
mtype = MT_MEMORY_RWX_NONCACHED;
return __arm_ioremap_caller(phys_addr, size, mtype,
__builtin_return_address(0));