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authorPaul Burton <paul.burton@imgtec.com>2016-02-03 03:15:26 +0000
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 14:01:48 +0200
commita60ae81e5e5918138703f22427dd8f2445985b55 (patch)
tree7ebbefe237833736d4fcb728a161061bca0efb79
parentdb8e00af7b4a09ef5924140c1c42494fc88204ef (diff)
MIPS: CM: Fix mips_cm_max_vp_width for UP kernels
Fix mips_cm_max_vp_width for UP kernels where it previously referenced smp_num_siblings, which is not declared for UP kernels. This led to build errors such as the following: drivers/built-in.o: In function `$L446': irq-mips-gic.c:(.text+0x1994): undefined reference to `smp_num_siblings' drivers/built-in.o:irq-mips-gic.c:(.text+0x199c): more undefined references to `smp_num_siblings' follow On UP kernels simply return 1, leaving the reference to smp_num_siblings in place only for SMP kernels. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12332/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/include/asm/mips-cm.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index b79433f19b77..3fea29e50c46 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -462,7 +462,10 @@ static inline unsigned int mips_cm_max_vp_width(void)
if (mips_cm_revision() >= CM_REV_CM3)
return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW_MSK;
- return smp_num_siblings;
+ if (config_enabled(CONFIG_SMP))
+ return smp_num_siblings;
+
+ return 1;
}
/**