Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
serial: Use bits for UART_LSR_BRK_ERROR_BITS/MSR_ANY_DELTA
Instead of listing the bits for UART_LSR_BRK_ERROR_BITS and
UART_MSR_ANY_DELTA in comment, use them to define instead.
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220624205424.12686-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
authored by
Ilpo Järvinen
and committed by
Greg Kroah-Hartman
e23ee9d2
fddbab7b
+2
-2
+2
-2
include/uapi/linux/serial_reg.h
+2
-2
include/uapi/linux/serial_reg.h
···
139
139
#define UART_LSR_PE 0x04 /* Parity error indicator */
140
140
#define UART_LSR_OE 0x02 /* Overrun error indicator */
141
141
#define UART_LSR_DR 0x01 /* Receiver data ready */
142
-
#define UART_LSR_BRK_ERROR_BITS 0x1E /* BI, FE, PE, OE bits */
142
+
#define UART_LSR_BRK_ERROR_BITS (UART_LSR_BI|UART_LSR_FE|UART_LSR_PE|UART_LSR_OE)
143
143
144
144
#define UART_MSR 6 /* In: Modem Status Register */
145
145
#define UART_MSR_DCD 0x80 /* Data Carrier Detect */
···
150
150
#define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */
151
151
#define UART_MSR_DDSR 0x02 /* Delta DSR */
152
152
#define UART_MSR_DCTS 0x01 /* Delta CTS */
153
-
#define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */
153
+
#define UART_MSR_ANY_DELTA (UART_MSR_DDCD|UART_MSR_TERI|UART_MSR_DDSR|UART_MSR_DCTS)
154
154
155
155
#define UART_SCR 7 /* I/O: Scratch Register */
156
156