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powerpc/boot: Fix build failure in 32-bit boot wrapper 

OPAL is not callable from 32-bit mode and the assembly code for it
may not even build (depending on how binutils was configured).

References: https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpcspe&ver=4.8.7-1&stamp=1479203712
Fixes: 656ad58ef1 ("powerpc/boot: Add OPAL console to epapr wrappers")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Ben Hutchings 2016-11-16 18:27:56 +00:00 committed by Michael Ellerman
parent 984d7a1ec6
commit 10c77dba40
2 changed files with 3 additions and 2 deletions
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3
arch/powerpc/boot/Makefile
View File

@ -100,7 +100,8 @@ src-wlib-y := string.S crt0.S crtsavres.S stdio.c decompress.c main.c \
ns16550.c serial.c simple_alloc.c div64.S util.S \ ns16550.c serial.c simple_alloc.c div64.S util.S \
elf_util.c $(zlib-y) devtree.c stdlib.c \ elf_util.c $(zlib-y) devtree.c stdlib.c \
oflib.c ofconsole.c cuboot.c mpsc.c cpm-serial.c \ oflib.c ofconsole.c cuboot.c mpsc.c cpm-serial.c \
uartlite.c mpc52xx-psc.c opal.c opal-calls.S uartlite.c mpc52xx-psc.c opal.c
src-wlib-$(CONFIG_PPC64_BOOT_WRAPPER) += opal-calls.S
src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c src-wlib-$(CONFIG_40x) += 4xx.c planetcore.c
src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c src-wlib-$(CONFIG_44x) += 4xx.c ebony.c bamboo.c
src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c fsl-soc.c src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c fsl-soc.c

2
arch/powerpc/boot/opal.c
View File

@ -13,7 +13,7 @@
#include <libfdt.h> #include <libfdt.h>
#include "../include/asm/opal-api.h" #include "../include/asm/opal-api.h"
#ifdef __powerpc64__ #ifdef CONFIG_PPC64_BOOT_WRAPPER
/* Global OPAL struct used by opal-call.S */ /* Global OPAL struct used by opal-call.S */
struct opal { struct opal {