4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hauke Mehrtens <hauke@xxxxxxxxxx>
commit 7a50e4688dabb8005df39b2b992d76629b8af8aa upstream.
The MIPS_GIC_IPI should only be selected when MIPS_GIC is also
selected, otherwise it results in a compile error. smp-gic.c uses some
functions from include/linux/irqchip/mips-gic.h like
plat_ipi_call_int_xlate() which are only added to the header file when
MIPS_GIC is set. The Lantiq SoC does not use the GIC, but supports SMP.
The calls top the functions from smp-gic.c are already protected by
some #ifdefs
The first part of this was introduced in commit 72e20142b2bf ("MIPS:
Move GIC IPI functions out of smp-cmp.c")
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
Cc: Paul Burton <paul.burton@xxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/12774/
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/Kconfig | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2155,7 +2155,7 @@ config MIPS_MT_SMP
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select SYNC_R4K
- select MIPS_GIC_IPI
+ select MIPS_GIC_IPI if MIPS_GIC
select MIPS_MT
select SMP
select SMP_UP
@@ -2253,7 +2253,7 @@ config MIPS_VPE_APSP_API_MT
config MIPS_CMP
bool "MIPS CMP framework support (DEPRECATED)"
depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
- select MIPS_GIC_IPI
+ select MIPS_GIC_IPI if MIPS_GIC
select SMP
select SYNC_R4K
select SYS_SUPPORTS_SMP
@@ -2273,7 +2273,7 @@ config MIPS_CPS
select MIPS_CM
select MIPS_CPC
select MIPS_CPS_PM if HOTPLUG_CPU
- select MIPS_GIC_IPI
+ select MIPS_GIC_IPI if MIPS_GIC
select SMP
select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
select SYS_SUPPORTS_HOTPLUG_CPU
@@ -2292,6 +2292,7 @@ config MIPS_CPS_PM
bool
config MIPS_GIC_IPI
+ depends on MIPS_GIC
bool
config MIPS_CM
--
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