| Message ID | 20220224095558.30929-1-jslaby@suse.cz |
|---|---|
| State | New |
| Headers | show |
| Series | UART_LCR_WLEN cleanups | expand |
diff --git a/include/uapi/linux/serial_reg.h b/include/uapi/linux/serial_reg.h index f51bc8f36813..c9d5ff6dd4c6 100644 --- a/include/uapi/linux/serial_reg.h +++ b/include/uapi/linux/serial_reg.h @@ -111,6 +111,7 @@ #define UART_LCR_WLEN6 0x01 /* Wordlength: 6 bits */ #define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */ #define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ +#define UART_LCR_WLEN(x) ((x) - 5) /* * Access to some registers depends on register access / configuration
Define a generic UART_LCR_WLEN() macro with a size argument. It can be used to encode byte size into an LCR value. Therefore we can use it to simplify the drivers using tty_get_char_size() in the next patches. Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- include/uapi/linux/serial_reg.h | 1 + 1 file changed, 1 insertion(+)