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serial: 8250: Use defined IER bits

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Instead of literal 0x0f, add a define for enabling all IER bits the
8250 driver is interested in.

Don't make the define for combined flags part of UAPI.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221125130509.8482-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilpo Järvinen
2022-11-25 15:05:04 +02:00
committed by Greg Kroah-Hartman
parent 98a59cd26e
commit ef460db2a7
2 changed files with 10 additions and 5 deletions
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5
include/linux/serial.h
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@@ -12,6 +12,11 @@
#include <uapi/linux/serial.h>
#include <uapi/linux/serial_reg.h>
#define UART_IER_ALL_INTR (UART_IER_MSI | \
UART_IER_RLSI | \
UART_IER_THRI | \
UART_IER_RDI)
/* Helper for dealing with UART_LCR_WLEN* defines */
#define UART_LCR_WLEN(x) ((x) - 5)