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From: Marco Felsch <m.felsch@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH] fastboot net: add setter for global.fastboot.net.autostart
Date: Fri, 13 Aug 2021 10:32:21 +0200
Message-ID: <20210813083221.31763-1-m.felsch@pengutronix.de> (raw)

Without this change the only possible way to start the
fastboot.net.autostart mechanism is by using the nv storage. Split
fastboot_on_boot() into two functions:
 - a globalvar setter fastboot_net_autostart_set() and
 - a the globalvar init function fastboot_net_init_globalvar().
This allows init scripts to start the autostart mechanism as well.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 net/fastboot.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/net/fastboot.c b/net/fastboot.c
index df388adc89..aa483f57a7 100644
--- a/net/fastboot.c
+++ b/net/fastboot.c
@@ -547,14 +547,12 @@ fail_generic_init:
 static struct fastboot_net *fastboot_net_obj;
 static int fastboot_net_autostart;
 
-static int fastboot_on_boot(void)
+static int fastboot_net_autostart_set(struct param_d *p, void * priv)
 {
 	struct fastboot_net *fbn;
+	static bool started;
 
-	globalvar_add_simple_bool("fastboot.net.autostart",
-				  &fastboot_net_autostart);
-
-	if (!fastboot_net_autostart)
+	if (!fastboot_net_autostart || started)
 		return 0;
 
 	ifup_all(0);
@@ -564,16 +562,25 @@ static int fastboot_on_boot(void)
 		return PTR_ERR(fbn);
 
 	fastboot_net_obj = fbn;
+	started = true;
+
 	return 0;
 }
 
+static int fastboot_net_init_globalvar(void)
+{
+	return globalvar_add_bool("fastboot.net.autostart",
+				  fastboot_net_autostart_set,
+				  &fastboot_net_autostart, NULL);
+}
+
 static void fastboot_net_exit(void)
 {
 	if (fastboot_net_obj)
 		fastboot_net_free(fastboot_net_obj);
 }
 
-postenvironment_initcall(fastboot_on_boot);
+postenvironment_initcall(fastboot_net_init_globalvar);
 predevshutdown_exitcall(fastboot_net_exit);
 
 BAREBOX_MAGICVAR(global.fastboot.net.autostart,
-- 
2.30.2


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             reply	other threads:[~2021-08-13  8:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-13  8:32 Marco Felsch [this message]
2021-08-13  8:38 ` Ahmad Fatoum
2021-08-18  4:48 ` Sascha Hauer

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