Commit 0fcc286f authored Jan 16, 2016 by Peter Hurley Committed by Greg Kroah-Hartman Feb 06, 2016

of: earlycon: Log more helpful message if stdout-path node not found



Earlycon may fail to initialize for a variety of reasons, most of
which log the default early param message. If the stdout-path node is
not found, log the path which was not found (and suppress the
default early param message).

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent dc6b576b

drivers/of/fdt.c

+6 −3

Original line number	Diff line number	Diff line
		@@ -820,11 +820,14 @@ static int __init early_init_dt_scan_chosen_serial(void)
		q = strchrnul(p, ':');
		if (*q != '\0')
		options = q + 1;
		l = q - p;

		/* Get the node specified by stdout-path */
		offset = fdt_path_offset_namelen(fdt, p, q - p);
		if (offset < 0)
		return -ENODEV;
		offset = fdt_path_offset_namelen(fdt, p, l);
		if (offset < 0) {
		pr_warn("earlycon: stdout-path %.*s not found\n", l, p);
		return 0;
		}

		for (match = __earlycon_table; match < __earlycon_table_end; match++) {
		if (!match->compatible[0])