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Commit 6e605a01 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Greg Kroah-Hartman
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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: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 263763c1

drivers/tty/serial/sh-sci.c

+5 −6
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ 
#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>
@@ -3073,17 +3074,15 @@ 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)
@@ -3099,8 +3098,8 @@ 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");