linux-kernel - [PATCH 1/3] serial: 8250_ingenic: Use of_device_get_match

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Date:   Sun, 22 Aug 2021 11:28:04 +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 1/3] serial: 8250_ingenic: 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/8250/8250_ingenic.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_ingenic.c b/drivers/tty/serial/8250/8250_ingenic.c
index 988bf6bcc..65402d05e 100644
--- a/drivers/tty/serial/8250/8250_ingenic.c
+++ b/drivers/tty/serial/8250/8250_ingenic.c
@@ -209,16 +209,14 @@ static int ingenic_uart_probe(struct platform_device *pdev)
 	struct uart_8250_port uart = {};
 	struct ingenic_uart_data *data;
 	const struct ingenic_uart_config *cdata;
-	const struct of_device_id *match;
 	struct resource *regs;
 	int irq, err, line;
 
-	match = of_match_device(of_match, &pdev->dev);
-	if (!match) {
+	cdata = of_device_get_match_data(&pdev->dev);
+	if (!cdata) {
 		dev_err(&pdev->dev, "Error: No device match found\n");
 		return -ENODEV;
 	}
-	cdata = match->data;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
-- 
2.20.1.windows.1