From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 21 Mar 2025 18:20:13 +0000 (+0200)
Subject: serial: 8250_ni: Remove duplicate mapping
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9b4a192adf428198fb676a75e9bb95d26904ae44;p=users%2Fjedix%2Flinux-maple.git

serial: 8250_ni: 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@linux.intel.com>
Tested-by: Chaitanya Vadrevu <chaitanya.vadrevu@emerson.com>
Reviewed-by: Chaitanya Vadrevu <chaitanya.vadrevu@emerson.com>
Link: https://lore.kernel.org/r/20250321182119.454507-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/8250/8250_ni.c b/drivers/tty/serial/8250/8250_ni.c
index 03e838f440bec..562f7f29e2096 100644
--- a/drivers/tty/serial/8250/8250_ni.c
+++ b/drivers/tty/serial/8250/8250_ni.c
@@ -239,11 +239,6 @@ static int ni16550_get_regs(struct platform_device *pdev,
 		port->mapsize = resource_size(regs);
 		port->flags |= UPF_IOREMAP;
 
-		port->membase = devm_ioremap(&pdev->dev, port->mapbase,
-					     port->mapsize);
-		if (!port->membase)
-			return -ENOMEM;
-
 		return 0;
 	}