From 7914a7c5651a51617d952e8fa745000ed8c4f001 Mon Sep 17 00:00:00 2001 From: Leif Lindholm Date: Thu, 27 Nov 2014 17:56:07 +0000 Subject: [PATCH] of: support passing console options with stdout-path Support specifying console options (like with console=ttyXN,) by appending them to the stdout-path property after a separating ':'. Example: stdout-path = "uart0:115200"; Signed-off-by: Leif Lindholm [grant.likely: minor rework to shorten the diffstat] Signed-off-by: Grant Likely --- drivers/of/base.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index bdf051d..f2be7c8 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -37,6 +37,7 @@ EXPORT_SYMBOL(of_root); struct device_node *of_chosen; struct device_node *of_aliases; struct device_node *of_stdout; +static const char *of_stdout_options; struct kset *of_kset; @@ -1852,7 +1853,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) if (IS_ENABLED(CONFIG_PPC) && !name) name = of_get_property(of_aliases, "stdout", NULL); if (name) - of_stdout = of_find_node_by_path(name); + of_stdout = of_find_node_opts_by_path(name, &of_stdout_options); } if (!of_aliases) @@ -1978,7 +1979,8 @@ bool of_console_check(struct device_node *dn, char *name, int index) { if (!dn || dn != of_stdout || console_set_on_cmdline) return false; - return !add_preferred_console(name, index, NULL); + return !add_preferred_console(name, index, + kstrdup(of_stdout_options, GFP_KERNEL)); } EXPORT_SYMBOL_GPL(of_console_check); -- 2.7.4