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author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-11-25 15:05:05 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-19 15:01:19 +0100 |
commit | d9c1d3cbdeec94f077679b73ed5ce3a4fe4bf4b8 (patch) | |
tree | 5987b0bf061ca7c5c1a0b69236f1b2fb1f3cb2cd /include | |
parent | ef460db2a7c1df5eda2ea6011e7586e54e23b8c4 (diff) | |
download | linux-stable-d9c1d3cbdeec94f077679b73ed5ce3a4fe4bf4b8.tar.gz linux-stable-d9c1d3cbdeec94f077679b73ed5ce3a4fe4bf4b8.tar.bz2 linux-stable-d9c1d3cbdeec94f077679b73ed5ce3a4fe4bf4b8.zip |
serial: 8250: Name MSR literals
Add UART_MSR_STATUS_BITS for CD, RI, DSR & CTS. Use names for the
literal.
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/20221125130509.8482-3-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/serial.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/serial.h b/include/linux/serial.h index ad6e1c37e2d5..bfda927dde15 100644 --- a/include/linux/serial.h +++ b/include/linux/serial.h @@ -28,6 +28,11 @@ static inline bool uart_lsr_tx_empty(u16 lsr) return (lsr & UART_LSR_BOTH_EMPTY) == UART_LSR_BOTH_EMPTY; } +#define UART_MSR_STATUS_BITS (UART_MSR_DCD | \ + UART_MSR_RI | \ + UART_MSR_DSR | \ + UART_MSR_CTS) + /* * Counters of the input lines (CTS, DSR, RI, CD) interrupts */ |