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serial: core: Fix iotype userspace breakage

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commit 3ffb1a8193 ("serial: core: Add big-endian iotype")
re-numbered userspace-dependent values; ioctl(TIOCSSERIAL) can
assign the port iotype (which is expected to match the selected
i/o accessors), so iotype values must not be changed.

Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: <stable@vger.kernel.org> # 3.19+
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-03-01 10:18:16 -05:00 committed by Greg Kroah-Hartman
parent c4e6dcfa00
commit 2bb785169e
1 changed files with 3 additions and 3 deletions
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6
include/linux/serial_core.h
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@ -147,9 +147,9 @@ struct uart_port {
#define UPIO_HUB6 (1) /* Hub6 ISA card */
#define UPIO_MEM (2) /* 8b MMIO access */
#define UPIO_MEM32 (3) /* 32b little endian */
#define UPIO_MEM32BE (4) /* 32b big endian */
#define UPIO_AU (5) /* Au1x00 and RT288x type IO */
#define UPIO_TSI (6) /* Tsi108/109 type IO */
#define UPIO_AU (4) /* Au1x00 and RT288x type IO */
#define UPIO_TSI (5) /* Tsi108/109 type IO */
#define UPIO_MEM32BE (6) /* 32b big endian */
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */