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| author |   Marian Balakowicz <m8@semihalf.com> | 2007-10-19 04:44:14 +1000 |
|---|---|---|
| committer |   Grant Likely <grant.likely@secretlab.ca> | 2007-10-21 12:42:47 -0600 |
| commit | c5c01c9700e59a5b20d7bdd15808d33ab9d9e877 (patch) | |
| tree | 4c49b4e38dea900acffbc65dc91012b4b819ea02 /arch/powerpc/platforms | |
| parent | [POWERPC] bestcomm: Restrict bus prefetch bugfix to original mpc5200 silicon. (diff) | |
| download | linux-dev-c5c01c9700e59a5b20d7bdd15808d33ab9d9e877.tar.xz linux-dev-c5c01c9700e59a5b20d7bdd15808d33ab9d9e877.zip | |
[POWERPC] Add mpc52xx_find_and_map_path(), refactor utility functions
Add helper routine mpc52xx_find_and_map_path(). Extract common code to
mpc52xx_map_node() and refactor mpc52xx_find_and_map().
Signed-off-by: Jan Wrobel <wrr@semihalf.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_common.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 3bc201e07e6b..74b4b4183842 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -19,14 +19,12 @@ #include <asm/mpc52xx.h> -void __iomem * -mpc52xx_find_and_map(const char *compatible) +static void __iomem * +mpc52xx_map_node(struct device_node *ofn) { - struct device_node *ofn; const u32 *regaddr_p; u64 regaddr64, size64; - ofn = of_find_compatible_node(NULL, NULL, compatible); if (!ofn) return NULL; @@ -42,8 +40,23 @@ mpc52xx_find_and_map(const char *compatible) return ioremap((u32)regaddr64, (u32)size64); } + +void __iomem * +mpc52xx_find_and_map(const char *compatible) +{ + return mpc52xx_map_node( + of_find_compatible_node(NULL, NULL, compatible)); +} + EXPORT_SYMBOL(mpc52xx_find_and_map); +void __iomem * +mpc52xx_find_and_map_path(const char *path) +{ + return mpc52xx_map_node(of_find_node_by_path(path)); +} + +EXPORT_SYMBOL(mpc52xx_find_and_map_path); /** * mpc52xx_find_ipb_freq - Find the IPB bus frequency for a device |