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Commit 5219343f authored by David Daney's avatar David Daney Committed by Ralf Baechle
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MIPS: OCTEON: Set proper UART clock in internal device trees. 



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: default avatarDavid Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5515/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 450acb0b

arch/mips/cavium-octeon/octeon-platform.c

+8 −1
Original line number Diff line number Diff line
@@ -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,