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From:   Tang Bin <tangbin@cmss.chinamobile.com>
To:     gregkh@linuxfoundation.org, paul@crapouillou.net,
        jirislaby@kernel.org, ldewangan@nvidia.com,
        thierry.reding@gmail.com, jonathanh@nvidia.com,
        linux@prisktech.co.nz
Cc:     linux-mips@vger.kernel.org, linux-serial@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        Tang Bin <tangbin@cmss.chinamobile.com>,
        Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Subject: [PATCH 2/3] serial: tegra: Use of_device_get_match_data
Date:   Sun, 22 Aug 2021 11:28:05 +0800
Message-Id: <20210822032806.3256-3-tangbin@cmss.chinamobile.com>
In-Reply-To: <20210822032806.3256-1-tangbin@cmss.chinamobile.com>
References: <20210822032806.3256-1-tangbin@cmss.chinamobile.com>
MIME-Version: 1.0
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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@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.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