linux-kernel - [PATCH 02/15] serial: bcm63xx-uart: Use devm_platform_get_and_ioremap

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Message-Id: <20230712062853.11007-2-frank.li@vivo.com>
Date:   Wed, 12 Jul 2023 14:28:40 +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 02/15] serial: bcm63xx-uart: 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/bcm63xx_uart.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c
index 55e82d0bf92d..0dd8cceb837c 100644
--- a/drivers/tty/serial/bcm63xx_uart.c
+++ b/drivers/tty/serial/bcm63xx_uart.c
@@ -832,14 +832,10 @@ static int bcm_uart_probe(struct platform_device *pdev)
 		return -EBUSY;
 	memset(port, 0, sizeof(*port));
 
-	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res_mem)
-		return -ENODEV;
-
-	port->mapbase = res_mem->start;
-	port->membase = devm_ioremap_resource(&pdev->dev, res_mem);
+	port->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &res_mem);
 	if (IS_ERR(port->membase))
 		return PTR_ERR(port->membase);
+	port->mapbase = res_mem->start;
 
 	ret = platform_get_irq(pdev, 0);
 	if (ret < 0)
-- 
2.39.0