From: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
To: Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [RESEND PATCH] serial: 8250: Add OF earlycon support
Date: Mon, 14 Sep 2015 19:56:03 -0500 [thread overview]
Message-ID: <20150915005603.GA20045@home.buserror.net> (raw)
This allows earlycon to be used without needing to specify the I/O
address on the kernel command line, if linux,stdout-path is specified
in the chosen node.
Signed-off-by: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
---
Sorry, forgot to include the mailing lists on previous sending.
drivers/tty/serial/8250/8250_early.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index faed05f..ceb8579 100644
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -29,6 +29,8 @@
#include <linux/tty.h>
#include <linux/init.h>
#include <linux/console.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/serial_reg.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
@@ -152,3 +154,5 @@ int __init early_serial8250_setup(struct earlycon_device *device,
}
EARLYCON_DECLARE(uart8250, early_serial8250_setup);
EARLYCON_DECLARE(uart, early_serial8250_setup);
+OF_EARLYCON_DECLARE(ns16550, "ns16550", early_serial8250_setup);
+OF_EARLYCON_DECLARE(ns16550a, "ns16550a", early_serial8250_setup);
--
2.1.4
--
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reply other threads:[~2015-09-15 0:56 UTC|newest]
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