From: David Daney <david.da...@cavium.com>
Following patch to use generic 8250 drivers will need proper clock
information. So when using the internal device tree, populate the
"clock-frequency" property with the correct value.
Signed-off-by: David Daney <david.da...@cavium.com>
---
arch/mips/cavium-octeon/octeon-platform.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/mips/cavium-octeon/octeon-platform.c
b/arch/mips/cavium-octeon/octeon-platform.c
index 389512e..7b746e7 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -490,8 +490,15 @@ int __init octeon_prune_device_tree(void)
if (alias_prop) {
uart = fdt_path_offset(initial_boot_params, alias_prop);
- if (uart_mask & (1 << i))
+ if (uart_mask & (1 << i)) {
+ __be32 f;
+
+ f = cpu_to_be32(octeon_get_io_clock_rate());
+ fdt_setprop_inplace(initial_boot_params,
+ uart, "clock-frequency",
+ &f, sizeof(f));
continue;
+ }
pr_debug("Deleting uart%d\n", i);
fdt_nop_node(initial_boot_params, uart);
fdt_nop_property(initial_boot_params, aliases,
--
1.7.11.7
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