linux-kernel - [PATCH 3/3] serial: vt8500: Use of_device_get_match

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Date:   Sun, 22 Aug 2021 11:28:06 +0800
From:   Tang Bin <tangbin@...s.chinamobile.com>
To:     gregkh@...uxfoundation.org, paul@...pouillou.net,
        jirislaby@...nel.org, ldewangan@...dia.com,
        thierry.reding@...il.com, jonathanh@...dia.com,
        linux@...sktech.co.nz
Cc:     linux-mips@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Tang Bin <tangbin@...s.chinamobile.com>,
        Zhang Shengju <zhangshengju@...s.chinamobile.com>
Subject: [PATCH 3/3] serial: vt8500: Use of_device_get_match_data

Retrieve OF match data, it's better and cleaner to use
'of_device_get_match_data' over 'of_match_device'.

Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
---
 drivers/tty/serial/vt8500_serial.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index c5edd56ff..e15b2bf69 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -623,17 +623,14 @@ static int vt8500_serial_probe(struct platform_device *pdev)
 	struct vt8500_port *vt8500_port;
 	struct resource *mmres, *irqres;
 	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *match;
 	const unsigned int *flags;
 	int ret;
 	int port;
 
-	match = of_match_device(wmt_dt_ids, &pdev->dev);
-	if (!match)
+	flags = of_device_get_match_data(&pdev->dev);
+	if (!flags)
 		return -EINVAL;
 
-	flags = match->data;
-
 	mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	irqres = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!mmres || !irqres)
-- 
2.20.1.windows.1