linux-kernel - [PATCH v1 1/7] serial: 8250_platform: Remove duplicate mapping

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Message-ID: <20240812154901.1068407-2-andriy.shevchenko@linux.intel.com>
Date: Mon, 12 Aug 2024 18:47:03 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Sunil V L <sunilvl@...tanamicro.com>
Subject: [PATCH v1 1/7] serial: 8250_platform: Remove duplicate mapping

UPF_IOREMAP is for serial core to map the resource on behalf of the
driver. No need to perform this explicitly in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/tty/serial/8250/8250_platform.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_platform.c b/drivers/tty/serial/8250/8250_platform.c
index 73002faaae4b..a0e71b03015a 100644
--- a/drivers/tty/serial/8250/8250_platform.c
+++ b/drivers/tty/serial/8250/8250_platform.c
@@ -142,12 +142,6 @@ static int serial8250_platform_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	if (uart.port.mapbase) {
-		uart.port.membase = devm_ioremap(dev, uart.port.mapbase, uart.port.mapsize);
-		if (!uart.port.membase)
-			return -ENOMEM;
-	}
-
 	/*
 	 * The previous call may not set iotype correctly when reg-io-width
 	 * property is absent and it doesn't support IO port resource.
-- 
2.43.0.rc1.1336.g36b5255a03ac