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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-10-10 19:18:02 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-11-06 14:13:49 +1100
commitd7a88c7eb46acb486922822eec3224c0bcab29dc (patch)
tree8f52d8786168579b156cf982a61c7e51e4799405 /arch/powerpc/platforms/powernv/opal-xscom.c
parent44790a0b93d8481a8dc5bf6aa600941627b56d56 (diff)
downloadlinux-d7a88c7eb46acb486922822eec3224c0bcab29dc.tar.bz2
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.c6
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;