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authorKevin Cernekee <cernekee@gmail.com>2014-11-12 12:53:59 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-25 17:06:40 -0800
commit3ffb1a8193bead7bf4ef0fec2dae050c70e4c1c1 (patch)
tree18b8c192f0d6b3e6c21f4a93316c06763576a5d7 /drivers/tty
parent57850a50c1f91c6136fe0b4b27301ebbe848b2ce (diff)
serial: core: Add big-endian iotype
Since most drivers interpret UPIO_MEM32 to mean "little-endian" and use readl/writel to access the registers, add a parallel UPIO_MEM32BE to request the use of big-endian MMIO accessors (ioread32be/iowrite32be). Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/serial_core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 5c8b8f50f787..57ca61b14670 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2153,6 +2153,7 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
break;
case UPIO_MEM:
case UPIO_MEM32:
+ case UPIO_MEM32BE:
case UPIO_AU:
case UPIO_TSI:
snprintf(address, sizeof(address),
@@ -2796,6 +2797,7 @@ int uart_match_port(struct uart_port *port1, struct uart_port *port2)
(port1->hub6 == port2->hub6);
case UPIO_MEM:
case UPIO_MEM32:
+ case UPIO_MEM32BE:
case UPIO_AU:
case UPIO_TSI:
return (port1->mapbase == port2->mapbase);