linux-kernel - [PATCH v2] serial: xuartps: Enable OF earlycon support

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Message-Id: <09f2c419994281fca7968142e52d969542370d1c.1455782238.git.michal.simek@xilinx.com>
Date:	Thu, 18 Feb 2016 08:57:20 +0100
From:	Michal Simek <michal.simek@...inx.com>
To:	Arnd Bergmann <arnd@...db.de>, peter@...leysoftware.com
Cc:	linux-arm-kernel@...ts.infradead.org,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	monstr@...str.eu, Jiri Slaby <jslaby@...e.com>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH v2] serial: xuartps: Enable OF earlycon support

Support early console setup via DT for all listed compatible strings.
Remove EARLYCON_DECLARE which was done by:
"Use common framework for earlycon declarations"
(sha1: 2eaa790989e03900298ad24f77f1086dbbc1aebd)
when OF_EARLYCON_DECLARE is defined.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

Changes in v2:
- Separate serial patch from others
- Remove EARLYCON_DECLARE and use the same earlycon name with different
  compatible string as was pointed by Peter Hurley
- Extend commit message

 drivers/tty/serial/xilinx_uartps.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 131a3117fbbb..cd46e64c4255 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1077,7 +1077,9 @@ static int __init cdns_early_console_setup(struct earlycon_device *device,
 
 	return 0;
 }
-EARLYCON_DECLARE(cdns, cdns_early_console_setup);
+OF_EARLYCON_DECLARE(cdns, "xlnx,xuartps", cdns_early_console_setup);
+OF_EARLYCON_DECLARE(cdns, "cdns,uart-r1p8", cdns_early_console_setup);
+OF_EARLYCON_DECLARE(cdns, "cdns,uart-r1p12", cdns_early_console_setup);
 
 /**
  * cdns_uart_console_write - perform write operation
-- 
1.9.1