Note the serial_struct flags for which the kernel ignores and performs no action. The flags cannot be removed since they form part of the userspace interface via the TIOCSSERIAL/TIOCGSERIAL ioctls.
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| @@ -8,6 +8,7 @@ · 7 unmodified lines | |||
| 8 | * Define ASYNCB_* for convenient use with {test,set,clear}_bit. | 8 | * Define ASYNCB_* for convenient use with {test,set,clear}_bit. |
| 9 | * | 9 | * |
| 10 | * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable | 10 | * Bits [0..ASYNCB_LAST_USER] are userspace defined/visible/changeable |
| 11 | * [x] in the bit comments indicates the flag is defunct and no longer used. | ||
| 11 | */ | 12 | */ |
| 12 | #define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes | 13 | #define ASYNCB_HUP_NOTIFY 0 /* Notify getty on hangups and closes |
| 13 | * on the callout port */ | 14 | * on the callout port */ |
| @@ -19,15 +20,15 @@ · 5 unmodified lines | |||
| 19 | #define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */ | 20 | #define ASYNCB_SKIP_TEST 6 /* Skip UART test during autoconfiguration */ |
| 20 | #define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during | 21 | #define ASYNCB_AUTO_IRQ 7 /* Do automatic IRQ during |
| 21 | * autoconfiguration */ | 22 | * autoconfiguration */ |
| 22 | #define ASYNCB_SESSION_LOCKOUT 8 /* Lock out cua opens based on session */ | 23 | #define ASYNCB_SESSION_LOCKOUT 8 /* [x] Lock out cua opens based on session */ |
| 23 | #define ASYNCB_PGRP_LOCKOUT 9 /* Lock out cua opens based on pgrp */ | 24 | #define ASYNCB_PGRP_LOCKOUT 9 /* [x] Lock out cua opens based on pgrp */ |
| 24 | #define ASYNCB_CALLOUT_NOHUP 10 /* Don't do hangups for cua device */ | 25 | #define ASYNCB_CALLOUT_NOHUP 10 /* [x] Don't do hangups for cua device */ |
| 25 | #define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */ | 26 | #define ASYNCB_HARDPPS_CD 11 /* Call hardpps when CD goes high */ |
| 26 | #define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */ | 27 | #define ASYNCB_SPD_SHI 12 /* Use 230400 instead of 38400 bps */ |
| 27 | #define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */ | 28 | #define ASYNCB_LOW_LATENCY 13 /* Request low latency behaviour */ |
| 28 | #define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety | 29 | #define ASYNCB_BUGGY_UART 14 /* This is a buggy UART, skip some safety |
| 29 | * checks. Note: can be dangerous! */ | 30 | * checks. Note: can be dangerous! */ |
| 30 | #define ASYNCB_AUTOPROBE 15 /* Port was autoprobed by PCI or PNP code */ | 31 | #define ASYNCB_AUTOPROBE 15 /* [x] Port was autoprobed by PCI/PNP code */ |
| 31 | #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */ | 32 | #define ASYNCB_MAGIC_MULTIPLIER 16 /* Use special CLK or divisor */ |
| 32 | #define ASYNCB_LAST_USER 16 | 33 | #define ASYNCB_LAST_USER 16 |
| 33 | 34 | ||