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serial: of_serial: Support big-endian register accesses

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If the device node has a "big-endian" property and 32-bit registers, tell
the serial driver to use UPIO_MEM32BE instead of UPIO_MEM32.

Signed-off-by: Kevin Cernekee <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
This commit is contained in:
Kevin Cernekee authored and Rob Herring committed 2015-04-14 19:35:45 -05:00
1 parent c627f2ceb6
commit ebc5e20082
1 file changed
+2 -1
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drivers/tty/serial/of_serial.c
+2 -1
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@@ -115,7 +115,8 @@ static int of_platform_serial_setup(struct platform_device *ofdev,
port->iotype = UPIO_MEM;
break;
case 4:
port->iotype = UPIO_MEM32;
port->iotype = of_device_is_big_endian(np) ?
UPIO_MEM32BE : UPIO_MEM32;
break;
default:
dev_warn(&ofdev->dev, "unsupported reg-io-width (%d)\n",