diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-06-06 11:25:16 +0200 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2018-06-23 18:26:48 -0700 |
| commit | 0fff9001840c314fa4473dee256976b1e4535e73 (patch) | |
| tree | 665898e4c53921dc9ad4cda35461f4b445cc1795 /arch/arm | |
| parent | f377ad03697e049791da78d587f7b35f9c591ba2 (diff) | |
| download | linux-stable-0fff9001840c314fa4473dee256976b1e4535e73.tar.gz linux-stable-0fff9001840c314fa4473dee256976b1e4535e73.tar.bz2 linux-stable-0fff9001840c314fa4473dee256976b1e4535e73.zip | |
ARM: Always build secure_cntvoff.S on ARM V7 to fix shmobile !SMP build
If CONFIG_SMP=n, building a kernel for R-Car Gen2 fails with:
arch/arm/mach-shmobile/setup-rcar-gen2.o: In function `rcar_gen2_timer_init':
setup-rcar-gen2.c:(.init.text+0x30): undefined reference to `secure_cntvoff_init'
Indeed, on R-Car Gen2 SoCs, secure_cntvoff_init() is not only needed for
secondary CPUs, but also for the boot CPU. This is most visible on SoCs
with Cortex A7 cores (e.g. R-Car E2, cfr. commit 9ce3fa6816c2fb59 ("ARM:
shmobile: rcar-gen2: Add CA7 arch_timer initialization for r8a7794")),
but Cortex A15 is affected, too.
Fix this by always providing secure_cntvoff_init() when building for ARM
V7.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 7c607944bc657616 ("ARM: smp: Add initialization of CNTVOFF")
Fixes: cad160ed0a94927e ("ARM: shmobile: Convert file to use cntvoff")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/common/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile index 1e9f7af8f70f..3157be413297 100644 --- a/arch/arm/common/Makefile +++ b/arch/arm/common/Makefile @@ -10,7 +10,7 @@ obj-$(CONFIG_DMABOUNCE) += dmabounce.o obj-$(CONFIG_SHARP_LOCOMO) += locomo.o obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o obj-$(CONFIG_SHARP_SCOOP) += scoop.o -obj-$(CONFIG_SMP) += secure_cntvoff.o +obj-$(CONFIG_CPU_V7) += secure_cntvoff.o obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o obj-$(CONFIG_MCPM) += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o CFLAGS_REMOVE_mcpm_entry.o = -pg |