linux-kernel - [PATCH 2/3] serial: tegra: Use of_device_get_match

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Date:   Sun, 22 Aug 2021 11:28:05 +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 2/3] serial: tegra: 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/serial-tegra.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index eba5b9ecb..45e2e4109 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1568,14 +1568,12 @@ static int tegra_uart_probe(struct platform_device *pdev)
 	struct resource *resource;
 	int ret;
 	const struct tegra_uart_chip_data *cdata;
-	const struct of_device_id *match;
 
-	match = of_match_device(tegra_uart_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;
 
 	tup = devm_kzalloc(&pdev->dev, sizeof(*tup), GFP_KERNEL);
 	if (!tup) {
-- 
2.20.1.windows.1