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pseries: Return the token when we register an RTAS call

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The kernel will soon be able to service some RTAS calls. However the
choice of tokens will still be up to userspace. To support this have
spapr_rtas_register() return the token that is allocated for an
RTAS call, that allows the calling code to tell the kernel what the
token value is.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Michael Ellerman 2012-11-12 16:46:52 +00:00 • committed by Alexander Graf
parent bf3bc4c4e9
commit 4aac82c346
2 changed files with 3 additions and 3 deletions
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4
hw/spapr_rtas.c
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@ -242,7 +242,7 @@ target_ulong spapr_rtas_call(sPAPREnvironment *spapr,
return H_PARAMETER;
}
void spapr_rtas_register(const char *name, spapr_rtas_fn fn)
int spapr_rtas_register(const char *name, spapr_rtas_fn fn)
{
int i;
@ -258,7 +258,7 @@ void spapr_rtas_register(const char *name, spapr_rtas_fn fn)
rtas_next->name = name;
rtas_next->fn = fn;
rtas_next++;
return (rtas_next++ - rtas_table) + TOKEN_BASE;
}
int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,