blob: 201924a7d8777b22afe43c1482a18691ebef449d [file] [log] [blame]
From 91b4056ca5ae05b69c021e40c64c41cf3a085f73 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 4 Oct 2017 14:21:56 +0200
Subject: [PATCH 0225/1795] serial: sh-sci: Use of_device_get_match_data()
helper
Use the of_device_get_match_data() helper instead of open coding.
Note that when used with DT, there's always a valid match.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 6e605a01501b20ba8ace196536899195c8d296f5)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
drivers/tty/serial/sh-sci.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 6c9f99e67c13..2ce33146928c 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -37,6 +37,7 @@
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/scatterlist.h>
@@ -3070,17 +3071,15 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev,
unsigned int *dev_id)
{
struct device_node *np = pdev->dev.of_node;
- const struct of_device_id *match;
struct plat_sci_port *p;
struct sci_port *sp;
+ const void *data;
int id;
if (!IS_ENABLED(CONFIG_OF) || !np)
return NULL;
- match = of_match_node(of_sci_match, np);
- if (!match)
- return NULL;
+ data = of_device_get_match_data(&pdev->dev);
p = devm_kzalloc(&pdev->dev, sizeof(struct plat_sci_port), GFP_KERNEL);
if (!p)
@@ -3100,8 +3099,8 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev,
sp = &sci_ports[id];
*dev_id = id;
- p->type = SCI_OF_TYPE(match->data);
- p->regtype = SCI_OF_REGTYPE(match->data);
+ p->type = SCI_OF_TYPE(data);
+ p->regtype = SCI_OF_REGTYPE(data);
sp->has_rtscts = of_property_read_bool(np, "uart-has-rtscts");
--
2.19.0