[PATCH v2 1/4] MIPS: OCTEON: Set proper UART clock in internal device trees.
From: David Daney <hidden>
Date: 2013-06-19 21:37:41
Also in:
linux-mips, lkml
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
From: David Daney <redacted> 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 <redacted> --- 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,
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1.7.11.7