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Commit e62b7601 authored by Kyle Moffett's avatar Kyle Moffett Committed by Benjamin Herrenschmidt
Browse files

powerpc/mpic: Don't open-code dcr_resource_start 



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: default avatarKyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent be8bec56

arch/powerpc/sysdev/mpic.c

+2 −5
Original line number Diff line number Diff line
@@ -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, 0);

	rb->dhost = dcr_map(mpic->node, phys_addr + offset, size);

	BUG_ON(!DCR_MAP_OK(rb->dhost));

}