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Commit 07876912 authored by Mans Rullgard's avatar Mans Rullgard Committed by Greg Kroah-Hartman
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serial: of: set port iomem size from devicetree 



Make the 8250 driver reserve exactly the mmio region specified
in the devicetree. This prevents conflicts between UPIO_AU type
UARTs and other devices mapped closer than the default size of
0x1000 (or 0x100 for RT2880).

Signed-off-by: default avatarMans Rullgard <mans@mansr.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ee97d0e3

drivers/tty/serial/of_serial.c

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev, 


	spin_lock_init(&port->lock);

	port->mapbase = resource.start;

	port->mapsize = resource_size(&resource);



	/* Check for shifted address mapping */

	if (of_property_read_u32(np, "reg-offset", &prop) == 0)