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Date: Thu, 9 Apr 2015 13:05:18 -0700 From: Kevin Cernekee <cernekee@...il.com> To: gregkh@...uxfoundation.org, jslaby@...e.cz, robh@...nel.org, grant.likely@...aro.org Cc: arnd@...db.de, peter@...leysoftware.com, f.fainelli@...il.com, linux-serial@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH V4 5/5] serial: of_serial: Support big-endian register accesses 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 <cernekee@...il.com> --- drivers/tty/serial/of_serial.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index 33fb94f78967..e15c443b2a3c 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -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", -- 2.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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