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Subject[RFC PATCH 07/10] powerpc/mpic: Don't open-code dcr_resource_start
Date
Don't open-code the OpenFirmware "dcr-reg" property lookup trying to map
DCR resources. This makes the code a bit easier to read.

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
---
arch/powerpc/sysdev/mpic.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 31a9ada..0342ab8 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -319,11 +319,8 @@ static void _mpic_map_dcr(struct mpic *mpic, struct device_node *node,
struct mpic_reg_bank *rb,
unsigned int offset, unsigned int size)
{
- const u32 *dbasep;
-
- dbasep = of_get_property(node, "dcr-reg", NULL);
-
- rb->dhost = dcr_map(node, *dbasep + offset, size);
+ phys_addr_t phys_addr = dcr_resource_start(node);
+ rb->dhost = dcr_map(mpic->node, phys_addr + offset, size);
BUG_ON(!DCR_MAP_OK(rb->dhost));
}

--
1.7.2.5


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