linux-kernel - [PATCH 04/15] serial: linflexuart: Use devm_platform_get_and_ioremap

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Date:   Wed, 12 Jul 2023 14:28:42 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     Yangtao Li <frank.li@...o.com>, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 04/15] serial: linflexuart: Use devm_platform_get_and_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/tty/serial/fsl_linflexuart.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c
index 6fc21b6684e6..d3b38a376e08 100644
--- a/drivers/tty/serial/fsl_linflexuart.c
+++ b/drivers/tty/serial/fsl_linflexuart.c
@@ -827,14 +827,10 @@ static int linflex_probe(struct platform_device *pdev)
 
 	sport->line = ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	sport->mapbase = res->start;
-	sport->membase = devm_ioremap_resource(&pdev->dev, res);
+	sport->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(sport->membase))
 		return PTR_ERR(sport->membase);
+	sport->mapbase = res->start;
 
 	sport->dev = &pdev->dev;
 	sport->type = PORT_LINFLEXUART;
-- 
2.39.0