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spapr: Eliminate SpaprIrq:get_nodename method

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This method is used to determine the name of the irq backend's node in the
device tree, so that we can find its phandle (after SLOF may have modified
it from the phandle we initially gave it).

But, in the two cases the only difference between the node name is the
presence of a unit address.  Searching for a node name without considering
unit address is standard practice for the device tree, and
fdt_subnode_offset() will do exactly that, making this method unecessary.

While we're there, remove the XICS_NODENAME define.  The name
"interrupt-controller" is required by PAPR (and IEEE1275), and a bunch of
places assume it already.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
David Gibson 2019-09-23 15:19:28 +10:00
parent af1861511d
commit 14789694cd
4 changed files with 4 additions and 26 deletions
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1
include/hw/ppc/spapr_irq.h
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@ -52,7 +52,6 @@ typedef struct SpaprIrq {
int (*post_load)(SpaprMachineState *spapr, int version_id);
void (*reset)(SpaprMachineState *spapr, Error **errp);
void (*set_irq)(void *opaque, int srcno, int val);
const char *(*get_nodename)(SpaprMachineState *spapr);
void (*init_kvm)(SpaprMachineState *spapr, Error **errp);
} SpaprIrq;