linux-kernel - [PATCH] pinctrl-zynq: Initialize early

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Message-Id: <1445513420-23527-1-git-send-email-mike.looijmans@topic.nl>
Date:	Thu, 22 Oct 2015 13:30:20 +0200
From:	Mike Looijmans <mike.looijmans@...ic.nl>
To:	git@...inx.com
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Mike Looijmans <mike.looijmans@...ic.nl>
Subject: [PATCH] pinctrl-zynq: Initialize early

Supplying pinmux configuration for e.g. gpio pins leads to deferred
probes because the pinctrl device is probed much later than gpio.
Move the init call to a much earlier stage so it probes before the
devices that may need it.

Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
---
 drivers/pinctrl/pinctrl-zynq.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
index fd4602d..36984f1 100644
--- a/drivers/pinctrl/pinctrl-zynq.c
+++ b/drivers/pinctrl/pinctrl-zynq.c
@@ -1173,7 +1173,17 @@ static struct platform_driver zynq_pinctrl_driver = {
 	.remove = zynq_pinctrl_remove,
 };
 
-module_platform_driver(zynq_pinctrl_driver);
+static int __init zynq_pinctrl_init(void)
+{
+	return platform_driver_register(&zynq_pinctrl_driver);
+}
+arch_initcall(zynq_pinctrl_init);
+
+static void __exit zynq_pinctrl_exit(void)
+{
+	platform_driver_unregister(&zynq_pinctrl_driver);
+}
+module_exit(zynq_pinctrl_exit);
 
 MODULE_AUTHOR("SÃ¶ren Brinkmann <soren.brinkmann@...inx.com>");
 MODULE_DESCRIPTION("Xilinx Zynq pinctrl driver");
-- 
1.9.1

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