From d9c1d3cbdeec94f077679b73ed5ce3a4fe4bf4b8 Mon Sep 17 00:00:00 2001 From: Ilpo Järvinen Date: Fri, 25 Nov 2022 15:05:05 +0200 Subject: serial: 8250: Name MSR literals MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Link: https://lore.kernel.org/r/20221125130509.8482-3-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- include/linux/serial.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/linux') 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 */ -- cgit v1.2.3