[PATCH 6/6] kvm tools: powerpc: Only emit TB freq if it's non-zero

From: Michael Ellerman
Date: Wed Feb 06 2013 - 03:20:00 EST


The kernel can handle a missing timebase-frequency property much better
than one that claims zero.

Signed-off-by: Michael Ellerman <michael@xxxxxxxxxxxxxx>
---
tools/kvm/powerpc/kvm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/kvm/powerpc/kvm.c b/tools/kvm/powerpc/kvm.c
index dc9f89d..b4b9f82 100644
--- a/tools/kvm/powerpc/kvm.c
+++ b/tools/kvm/powerpc/kvm.c
@@ -389,7 +389,9 @@ static int setup_fdt(struct kvm *kvm)
_FDT(fdt_property_cell(fdt, "dcache-block-size", cpu_info->d_bsize));
_FDT(fdt_property_cell(fdt, "icache-block-size", cpu_info->i_bsize));

- _FDT(fdt_property_cell(fdt, "timebase-frequency", cpu_info->tb_freq));
+ if (cpu_info->tb_freq)
+ _FDT(fdt_property_cell(fdt, "timebase-frequency", cpu_info->tb_freq));
+
/* Lies, but safeish lies! */
_FDT(fdt_property_cell(fdt, "clock-frequency", 0xddbab200));

--
1.7.10.4

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