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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-10 19:18:02 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-11-06 14:13:49 +1100 |
| commit | d7a88c7eb46acb486922822eec3224c0bcab29dc (patch) | |
| tree | 8f52d8786168579b156cf982a61c7e51e4799405 /arch/powerpc/platforms/powernv/opal-xscom.c | |
| parent | 44790a0b93d8481a8dc5bf6aa600941627b56d56 (diff) | |
powerpc/scom: Enable 64-bit addresses
On P8, XSCOM addresses has a special "indirect" form that
requires more than 32-bits, so let's use u64 everywhere in
the code instead of u32.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal-xscom.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-xscom.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c index 3ed5c6498324..09a90d8897ba 100644 --- a/arch/powerpc/platforms/powernv/opal-xscom.c +++ b/arch/powerpc/platforms/powernv/opal-xscom.c @@ -27,7 +27,7 @@ */ struct opal_scom_map { uint32_t chip; - uint32_t addr; + uint64_t addr; }; static scom_map_t opal_scom_map(struct device_node *dev, u64 reg, u64 count) @@ -71,7 +71,7 @@ static int opal_xscom_err_xlate(int64_t rc) } } -static int opal_scom_read(scom_map_t map, u32 reg, u64 *value) +static int opal_scom_read(scom_map_t map, u64 reg, u64 *value) { struct opal_scom_map *m = map; int64_t rc; @@ -80,7 +80,7 @@ static int opal_scom_read(scom_map_t map, u32 reg, u64 *value) return opal_xscom_err_xlate(rc); } -static int opal_scom_write(scom_map_t map, u32 reg, u64 value) +static int opal_scom_write(scom_map_t map, u64 reg, u64 value) { struct opal_scom_map *m = map; int64_t rc; |