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powerpc/lib: only build ldstfp.o when CONFIG_PPC_FPU is set 

The entire code in ldstfp.o is enclosed into #ifdef CONFIG_PPC_FPU,
so there is no point in building it when this config is not selected.

Fixes: cd64d1697c ("powerpc: mtmsrd not defined")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-05-13 10:00:15 +00:00 committed by Michael Ellerman
parent f8e0d0fddf
commit 3e3ebed3fe
2 changed files with 2 additions and 5 deletions
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3
arch/powerpc/lib/Makefile
View File

@ -49,7 +49,8 @@ obj64-$(CONFIG_KPROBES_SANITY_TEST) += test_emulate_step.o \
obj-y += checksum_$(BITS).o checksum_wrappers.o \
string_$(BITS).o
obj-y += sstep.o ldstfp.o
obj-y += sstep.o
obj-$(CONFIG_PPC_FPU) += ldstfp.o
obj64-y += quad.o
obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o

4
arch/powerpc/lib/ldstfp.S
View File

@ -18,8 +18,6 @@
#include <asm/asm-compat.h>
#include <linux/errno.h>
#ifdef CONFIG_PPC_FPU
#define STKFRM (PPC_MIN_STKFRM + 16)
/* Get the contents of frN into *p; N is in r3 and p is in r4. */
@ -241,5 +239,3 @@ _GLOBAL(conv_dp_to_sp)
MTMSRD(r6)
isync
blr
#endif /* CONFIG_PPC_FPU */