diff options
| -rw-r--r-- | Documentation/devices.txt | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/ioctls.h | 83 | ||||
| -rw-r--r-- | arch/avr32/include/asm/ioctls.h | 86 | ||||
| -rw-r--r-- | arch/cris/include/asm/ioctls.h | 84 | ||||
| -rw-r--r-- | arch/frv/include/asm/ioctls.h | 80 | ||||
| -rw-r--r-- | arch/h8300/include/asm/ioctls.h | 81 | ||||
| -rw-r--r-- | arch/ia64/include/asm/ioctls.h | 89 | ||||
| -rw-r--r-- | arch/m32r/include/asm/ioctls.h | 83 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/ioctls.h | 84 | ||||
| -rw-r--r-- | arch/s390/include/asm/ioctls.h | 88 | ||||
| -rw-r--r-- | drivers/char/Kconfig | 15 | ||||
| -rw-r--r-- | drivers/char/Makefile | 1 | ||||
| -rw-r--r-- | drivers/char/mxser.c | 47 | ||||
| -rw-r--r-- | drivers/char/pty.c | 4 | ||||
| -rw-r--r-- | drivers/char/tty_io.c | 56 | ||||
| -rw-r--r-- | drivers/char/ttyprintk.c | 225 | ||||
| -rw-r--r-- | drivers/input/serio/serport.c | 1 | ||||
| -rw-r--r-- | drivers/serial/mfd.c | 6 | ||||
| -rw-r--r-- | drivers/serial/serial_core.c | 14 | ||||
| -rw-r--r-- | include/asm-generic/ioctls.h | 2 | ||||
| -rw-r--r-- | include/linux/tty.h | 3 |
21 files changed, 350 insertions, 783 deletions
diff --git a/Documentation/devices.txt b/Documentation/devices.txt index dd5768d706d3..03a8b1fb01cb 100644 --- a/Documentation/devices.txt +++ b/Documentation/devices.txt @@ -239,6 +239,7 @@ Your cooperation is appreciated. 0 = /dev/tty Current TTY device 1 = /dev/console System console 2 = /dev/ptmx PTY master multiplex + 3 = /dev/ttyprintk User messages via printk TTY device 64 = /dev/cua0 Callout device for ttyS0 ... 255 = /dev/cua191 Callout device for ttyS191 diff --git a/arch/arm/include/asm/ioctls.h b/arch/arm/include/asm/ioctls.h index 0b30894b5482..9c9629816128 100644 --- a/arch/arm/include/asm/ioctls.h +++ b/arch/arm/include/asm/ioctls.h @@ -1,89 +1,8 @@ #ifndef __ASM_ARM_IOCTLS_H #define __ASM_ARM_IOCTLS_H -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define TIOCGRS485 0x542E -#define TIOCSRS485 0x542F - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ #define FIOQSIZE 0x545E -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif diff --git a/arch/avr32/include/asm/ioctls.h b/arch/avr32/include/asm/ioctls.h index b7dd324b46a9..909cf66feaf5 100644 --- a/arch/avr32/include/asm/ioctls.h +++ b/arch/avr32/include/asm/ioctls.h @@ -1,90 +1,6 @@ #ifndef __ASM_AVR32_IOCTLS_H #define __ASM_AVR32_IOCTLS_H -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -/* #define TIOCTTYGSTRUCT 0x5426 - Former debugging-only ioctl */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define TIOCGRS485 0x542E -#define TIOCSRS485 0x542F - -#define FIONCLEX 0x5450 -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x5460 - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* __ASM_AVR32_IOCTLS_H */ diff --git a/arch/cris/include/asm/ioctls.h b/arch/cris/include/asm/ioctls.h index c9129ed37443..488fbb3f5e84 100644 --- a/arch/cris/include/asm/ioctls.h +++ b/arch/cris/include/asm/ioctls.h @@ -1,93 +1,11 @@ #ifndef __ARCH_CRIS_IOCTLS_H__ #define __ARCH_CRIS_IOCTLS_H__ -/* verbatim copy of asm-i386/ioctls.h */ - -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 #define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x5460 - #define TIOCSERSETRS485 0x5461 /* enable rs-485 (deprecated) */ #define TIOCSERWRRS485 0x5462 /* write rs-485 */ #define TIOCSRS485 0x5463 /* enable rs-485 */ -#define TIOCGRS485 0x542E /* get rs-485 */ - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif diff --git a/arch/frv/include/asm/ioctls.h b/arch/frv/include/asm/ioctls.h index a993e3759ccf..2f9fb436ec3c 100644 --- a/arch/frv/include/asm/ioctls.h +++ b/arch/frv/include/asm/ioctls.h @@ -1,88 +1,10 @@ #ifndef __ASM_IOCTLS_H__ #define __ASM_IOCTLS_H__ -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ #define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ #define FIOQSIZE 0x545E -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* __ASM_IOCTLS_H__ */ diff --git a/arch/h8300/include/asm/ioctls.h b/arch/h8300/include/asm/ioctls.h index b6b249f9f308..30eaed2facdb 100644 --- a/arch/h8300/include/asm/ioctls.h +++ b/arch/h8300/include/asm/ioctls.h @@ -1,87 +1,8 @@ #ifndef __ARCH_H8300_IOCTLS_H__ #define __ARCH_H8300_IOCTLS_H__ -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ #define FIOQSIZE 0x545E -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* __ARCH_H8300_IOCTLS_H__ */ diff --git a/arch/ia64/include/asm/ioctls.h b/arch/ia64/include/asm/ioctls.h index b79c385114ef..f3aab5512e98 100644 --- a/arch/ia64/include/asm/ioctls.h +++ b/arch/ia64/include/asm/ioctls.h @@ -1,93 +1,6 @@ #ifndef _ASM_IA64_IOCTLS_H #define _ASM_IA64_IOCTLS_H -/* - * Based on <asm-i386/ioctls.h> - * - * Modified 1998, 1999, 2002 - * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co - */ - -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x5460 - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* _ASM_IA64_IOCTLS_H */ diff --git a/arch/m32r/include/asm/ioctls.h b/arch/m32r/include/asm/ioctls.h index 66288063a4c0..349bf87bfbd0 100644 --- a/arch/m32r/include/asm/ioctls.h +++ b/arch/m32r/include/asm/ioctls.h @@ -1,87 +1,6 @@ #ifndef __ARCH_M32R_IOCTLS_H__ #define __ARCH_M32R_IOCTLS_H__ -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 /* Clashes with SNDCTL_TMR_START sound ioctl */ -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -/* #define TIOCTTYGSTRUCT 0x5426 - Former debugging-only ioctl */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x5460 - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* __ARCH_M32R_IOCTLS_H__ */ diff --git a/arch/mn10300/include/asm/ioctls.h b/arch/mn10300/include/asm/ioctls.h index cb8cf1902234..0212f4b22557 100644 --- a/arch/mn10300/include/asm/ioctls.h +++ b/arch/mn10300/include/asm/ioctls.h @@ -1,88 +1,6 @@ #ifndef _ASM_IOCTLS_H #define _ASM_IOCTLS_H -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -/* #define TIOCTTYGSTRUCT 0x5426 - Former debugging-only ioctl */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T', 0x2A, struct termios2) -#define TCSETS2 _IOW('T', 0x2B, struct termios2) -#define TCSETSW2 _IOW('T', 0x2C, struct termios2) -#define TCSETSF2 _IOW('T', 0x2D, struct termios2) -#define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number - * (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T', 0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x5460 - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif /* _ASM_IOCTLS_H */ diff --git a/arch/s390/include/asm/ioctls.h b/arch/s390/include/asm/ioctls.h index 2f3d8736361f..960a4c1ebdf1 100644 --- a/arch/s390/include/asm/ioctls.h +++ b/arch/s390/include/asm/ioctls.h @@ -1,94 +1,8 @@ -/* - * include/asm-s390/ioctls.h - * - * S390 version - * - * Derived from "include/asm-i386/ioctls.h" - */ - #ifndef __ARCH_S390_IOCTLS_H__ #define __ARCH_S390_IOCTLS_H__ -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ -#define TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ #define FIOQSIZE 0x545E -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 -#define TIOCPKT_IOCTL 64 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ +#include <asm-generic/ioctls.h> #endif diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 3d44ec724c17..43d3395325c5 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -493,6 +493,21 @@ config LEGACY_PTY_COUNT When not in use, each legacy PTY occupies 12 bytes on 32-bit architectures and 24 bytes on 64-bit architectures. +config TTY_PRINTK + bool "TTY driver to output user messages via printk" + depends on EMBEDDED + default n + ---help--- + If you say Y here, the support for writing user messages (i.e. + console messages) via printk is available. + + The feature is useful to inline user messages with kernel + messages. + In order to use this feature, you should output user messages + to /dev/ttyprintk or redirect console to this TTY. + + If unsure, say N. + config BRIQ_PANEL tristate 'Total Impact briQ front panel driver' depends on PPC_CHRP diff --git a/drivers/char/Makefile b/drivers/char/Makefile index dc9641660605..3a9c01416839 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -12,6 +12,7 @@ obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o t obj-y += tty_mutex.o obj-$(CONFIG_LEGACY_PTYS) += pty.o obj-$(CONFIG_UNIX98_PTYS) += pty.o +obj-$(CONFIG_TTY_PRINTK) += ttyprintk.o obj-y += misc.o obj-$(CONFIG_VT) += vt_ioctl.o vc_screen.o selection.o keyboard.o obj-$(CONFIG_BFIN_JTAG_COMM) += bfin_jtag_comm.o diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 3fc89da856ae..9d243de795df 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -2339,20 +2339,11 @@ struct tty_port_operations mxser_port_ops = { * The MOXA Smartio/Industio serial driver boot-time initialization code! */ -static void mxser_release_res(struct mxser_board *brd, struct pci_dev *pdev, - unsigned int irq) +static void mxser_release_ISA_res(struct mxser_board *brd) { - if (irq) - free_irq(brd->irq, brd); - if (pdev != NULL) { /* PCI */ -#ifdef CONFIG_PCI - pci_release_region(pdev, 2); - pci_release_region(pdev, 3); -#endif - } else { - release_region(brd->ports[0].ioaddr, 8 * brd->info->nports); - release_region(brd->vector, 1); - } + free_irq(brd->irq, brd); + release_region(brd->ports[0].ioaddr, 8 * brd->info->nports); + release_region(brd->vector, 1); } static int __devinit mxser_initbrd(struct mxser_board *brd, @@ -2397,13 +2388,11 @@ static int __devinit mxser_initbrd(struct mxser_board *brd, retval = request_irq(brd->irq, mxser_interrupt, IRQF_SHARED, "mxser", brd); - if (retval) { + if (retval) printk(KERN_ERR "Board %s: Request irq failed, IRQ (%d) may " "conflict with another device.\n", brd->info->name, brd->irq); - /* We hold resources, we need to release them. */ - mxser_release_res(brd, pdev, 0); - } + return retval; } @@ -2555,7 +2544,7 @@ static int __devinit mxser_probe(struct pci_dev *pdev, ioaddress = pci_resource_start(pdev, 2); retval = pci_request_region(pdev, 2, "mxser(IO)"); if (retval) - goto err; + goto err_dis; brd->info = &mxser_cards[ent->driver_data]; for (i = 0; i < brd->info->nports; i++) @@ -2565,7 +2554,7 @@ static int __devinit mxser_probe(struct pci_dev *pdev, ioaddress = pci_resource_start(pdev, 3); retval = pci_request_region(pdev, 3, "mxser(vector)"); if (retval) - goto err_relio; + goto err_zero; brd->vector = ioaddress; /* irq */ @@ -2608,7 +2597,7 @@ static int __devinit mxser_probe(struct pci_dev *pdev, /* mxser_initbrd will hook ISR. */ retval = mxser_initbrd(brd, pdev); if (retval) - goto err_null; + goto err_rel3; for (i = 0; i < brd->info->nports; i++) tty_register_device(mxvar_sdriver, brd->idx + i, &pdev->dev); @@ -2616,10 +2605,13 @@ static int __devinit mxser_probe(struct pci_dev *pdev, pci_set_drvdata(pdev, brd); return 0; -err_relio: - pci_release_region(pdev, 2); -err_null: +err_rel3: + pci_release_region(pdev, 3); +err_zero: brd->info = NULL; + pci_release_region(pdev, 2); +err_dis: + pci_disable_device(pdev); err: return retval; #else @@ -2629,14 +2621,19 @@ err: static void __devexit mxser_remove(struct pci_dev *pdev) { +#ifdef CONFIG_PCI struct mxser_board *brd = pci_get_drvdata(pdev); unsigned int i; for (i = 0; i < brd->info->nports; i++) tty_unregister_device(mxvar_sdriver, brd->idx + i); - mxser_release_res(brd, pdev, 1); + free_irq(pdev->irq, brd); + pci_release_region(pdev, 2); + pci_release_region(pdev, 3); + pci_disable_device(pdev); brd->info = NULL; +#endif } static struct pci_driver mxser_driver = { @@ -2741,7 +2738,7 @@ static void __exit mxser_module_exit(void) for (i = 0; i < MXSER_BOARDS; i++) if (mxser_boards[i].info != NULL) - mxser_release_res(&mxser_boards[i], NULL, 1); + mxser_release_ISA_res(&mxser_boards[i]); } module_init(mxser_module_init); diff --git a/drivers/char/pty.c b/drivers/char/pty.c index c350d01716bd..923a48585501 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -676,7 +676,9 @@ static int ptmx_open(struct inode *inode, struct file *filp) set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ - tty_add_file(tty, filp); + retval = tty_add_file(tty, filp); + if (retval) + goto out; retval = devpts_pty_new(inode, tty->link); if (retval) diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 613c852ee0fe..e185db36f8ad 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -183,6 +183,8 @@ struct tty_struct *alloc_tty_struct(void) void free_tty_struct(struct tty_struct *tty) { + if (tty->dev) + put_device(tty->dev); kfree(tty->write_buf); tty_buffer_free_all(tty); kfree(tty); @@ -194,12 +196,13 @@ static inline struct tty_struct *file_tty(struct file *file) } /* Associate a new file with the tty structure */ -void tty_add_file(struct tty_struct *tty, struct file *file) +int tty_add_file(struct tty_struct *tty, struct file *file) { struct tty_file_private *priv; - /* XXX: must implement proper error handling in callers */ - priv = kmalloc(sizeof(*priv), GFP_KERNEL|__GFP_NOFAIL); + priv = kmalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; priv->tty = tty; priv->file = file; @@ -208,6 +211,8 @@ void tty_add_file(struct tty_struct *tty, struct file *file) spin_lock(&tty_files_lock); list_add(&priv->list, &tty->tty_files); spin_unlock(&tty_files_lock); + + return 0; } /* Delete file from its tty */ @@ -1875,7 +1880,11 @@ got_driver: return PTR_ERR(tty); } - tty_add_file(tty, filp); + retval = tty_add_file(tty, filp); + if (retval) { + tty_unlock(); + return retval; + } check_tty_count(tty, "tty_open"); if (tty->driver->type == TTY_DRIVER_TYPE_PTY && @@ -2783,6 +2792,20 @@ void do_SAK(struct tty_struct *tty) EXPORT_SYMBOL(do_SAK); +static int dev_match_devt(struct device *dev, void *data) +{ + dev_t *devt = data; + return dev->devt == *devt; +} + +/* Must put_device() after it's unused! */ +static struct device *tty_get_device(struct tty_struct *tty) +{ + dev_t devt = tty_devnum(tty); + return class_find_device(tty_class, NULL, &devt, dev_match_devt); +} + + /** * initialize_tty_struct * @tty: tty to initialize @@ -2823,6 +2846,7 @@ void initialize_tty_struct(struct tty_struct *tty, tty->ops = driver->ops; tty->index = idx; tty_line_name(driver, idx, tty->name); + tty->dev = tty_get_device(tty); } /** @@ -2980,6 +3004,7 @@ int tty_register_driver(struct tty_driver *driver) int i; dev_t dev; void **p = NULL; + struct device *d; if (!(driver->flags & TTY_DRIVER_DEVPTS_MEM) && driver->num) { p = kzalloc(driver->num * 2 * sizeof(void *), GFP_KERNEL); @@ -3027,12 +3052,31 @@ int tty_register_driver(struct tty_driver *driver) mutex_unlock(&tty_mutex); if (!(driver->flags & TTY_DRIVER_DYNAMIC_DEV)) { - for (i = 0; i < driver->num; i++) - tty_register_device(driver, i, NULL); + for (i = 0; i < driver->num; i++) { + d = tty_register_device(driver, i, NULL); + if (IS_ERR(d)) { + error = PTR_ERR(d); + goto err; + } + } } proc_tty_register_driver(driver); driver->flags |= TTY_DRIVER_INSTALLED; return 0; + +err: + for (i--; i >= 0; i--) + tty_unregister_device(driver, i); + + mutex_lock(&tty_mutex); + list_del(&driver->tty_drivers); + mutex_unlock(&tty_mutex); + + unregister_chrdev_region(dev, driver->num); + driver->ttys = NULL; + driver->termios = NULL; + kfree(p); + return error; } EXPORT_SYMBOL(tty_register_driver); diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c new file mode 100644 index 000000000000..c40c1612c8a7 --- /dev/null +++ b/drivers/char/ttyprintk.c @@ -0,0 +1,225 @@ +/* + * linux/drivers/char/ttyprintk.c + * + * Copyright (C) 2010 Samo Pogacnik + * + * This program is free software; you can redistribute it and/or modify + * it under the smems of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + */ + +/* + * This pseudo device allows user to make printk messages. It is possible + * to store "console" messages inline with kernel messages for better analyses + * of the boot process, for example. + */ + +#include <linux/device.h> +#include <linux/serial.h> +#include <linux/tty.h> + +struct ttyprintk_port { + struct tty_port port; + struct mutex port_write_mutex; +}; + +static struct ttyprintk_port tpk_port; + +/* + * Our simple preformatting supports transparent output of (time-stamped) + * printk messages (also suitable for logging service): + * - any cr is replaced by nl + * - adds a ttyprintk source tag in front of each line + * - too long message is fragmeted, with '\'nl between fragments + * - TPK_STR_SIZE isn't really the write_room limiting factor, bcause + * it is emptied on the fly during preformatting. + */ +#define TPK_STR_SIZE 508 /* should be bigger then max expected line length */ +#define TPK_MAX_ROOM 4096 /* we could assume 4K for instance */ +static const char *tpk_tag = "[U] "; /* U for User */ +static int tpk_curr; + +static int tpk_printk(const unsigned char *buf, int count) +{ + static char tmp[TPK_STR_SIZE + 4]; + int i = tpk_curr; + + if (buf == NULL) { + /* flush tmp[] */ + if (tpk_curr > 0) { + /* non nl or cr terminated message - add nl */ + tmp[tpk_curr + 0] = '\n'; + tmp[tpk_curr + 1] = '\0'; + printk(KERN_INFO "%s%s", tpk_tag, tmp); + tpk_curr = 0; + } + return i; + } + + for (i = 0; i < count; i++) { + tmp[tpk_curr] = buf[i]; + if (tpk_curr < TPK_STR_SIZE) { + switch (buf[i]) { + case '\r': + /* replace cr with nl */ + tmp[tpk_curr + 0] = '\n'; + tmp[tpk_curr + 1] = '\0'; + printk(KERN_INFO "%s%s", tpk_tag, tmp); + tpk_curr = 0; + if (buf[i + 1] == '\n') + i++; + break; + case '\n': + tmp[tpk_curr + 1] = '\0'; + printk(KERN_INFO "%s%s", tpk_tag, tmp); + tpk_curr = 0; + break; + default: + tpk_curr++; + } + } else { + /* end of tmp buffer reached: cut the message in two */ + tmp[tpk_curr + 1] = '\\'; + tmp[tpk_curr + 2] = '\n'; + tmp[tpk_curr + 3] = '\0'; + printk(KERN_INFO "%s%s", tpk_tag, tmp); + tpk_curr = 0; + } + } + + return count; +} + +/* + * TTY operations open function. + */ +static int tpk_open(struct tty_struct *tty, struct file *filp) +{ + tty->driver_data = &tpk_port; + + return tty_port_open(&tpk_port.port, tty, filp); +} + +/* + * TTY operations close function. + */ +static void tpk_close(struct tty_struct *tty, struct file *filp) +{ + struct ttyprintk_port *tpkp = tty->driver_data; + + mutex_lock(&tpkp->port_write_mutex); + /* flush tpk_printk buffer */ + tpk_printk(NULL, 0); + mutex_unlock(&tpkp->port_write_mutex); + + tty_port_close(&tpkp->port, tty, filp); +} + +/* + * TTY operations write function. + */ +static int tpk_write(struct tty_struct *tty, + const unsigned char *buf, int count) +{ + struct ttyprintk_port *tpkp = tty->driver_data; + int ret; + + + /* exclusive use of tpk_printk within this tty */ + mutex_lock(&tpkp->port_write_mutex); + ret = tpk_printk(buf, count); + mutex_unlock(&tpkp->port_write_mutex); + + return ret; +} + +/* + * TTY operations write_room function. + */ +static int tpk_write_room(struct tty_struct *tty) +{ + return TPK_MAX_ROOM; +} + +/* + * TTY operations ioctl function. + */ +static int tpk_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct ttyprintk_port *tpkp = tty->driver_data; + + if (!tpkp) + return -EINVAL; + + switch (cmd) { + /* Stop TIOCCONS */ + case TIOCCONS: + return -EOPNOTSUPP; + default: + return -ENOIOCTLCMD; + } + return 0; +} + +static const struct tty_operations ttyprintk_ops = { + .open = tpk_open, + .close = tpk_close, + .write = tpk_write, + .write_room = tpk_write_room, + .ioctl = tpk_ioctl, +}; + +struct tty_port_operations null_ops = { }; + +static struct tty_driver *ttyprintk_driver; + +static int __init ttyprintk_init(void) +{ + int ret = -ENOMEM; + void *rp; + + ttyprintk_driver = alloc_tty_driver(1); + if (!ttyprintk_driver) + return ret; + + ttyprintk_driver->owner = THIS_MODULE; + ttyprintk_driver->driver_name = "ttyprintk"; + ttyprintk_driver->name = "ttyprintk"; + ttyprintk_driver->major = TTYAUX_MAJOR; + ttyprintk_driver->minor_start = 3; + ttyprintk_driver->num = 1; + ttyprintk_driver->type = TTY_DRIVER_TYPE_CONSOLE; + ttyprintk_driver->init_termios = tty_std_termios; + ttyprintk_driver->init_termios.c_oflag = OPOST | OCRNL | ONOCR | ONLRET; + ttyprintk_driver->flags = TTY_DRIVER_RESET_TERMIOS | + TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; + tty_set_operations(ttyprintk_driver, &ttyprintk_ops); + + ret = tty_register_driver(ttyprintk_driver); + if (ret < 0) { + printk(KERN_ERR "Couldn't register ttyprintk driver\n"); + goto error; + } + + /* create our unnumbered device */ + rp = device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 3), NULL, + ttyprintk_driver->name); + if (IS_ERR(rp)) { + printk(KERN_ERR "Couldn't create ttyprintk device\n"); + ret = PTR_ERR(rp); + goto error; + } + + tty_port_init(&tpk_port.port); + tpk_port.port.ops = &null_ops; + mutex_init(&tpk_port.port_write_mutex); + + return 0; + +error: + put_tty_driver(ttyprintk_driver); + ttyprintk_driver = NULL; + return ret; +} +module_init(ttyprintk_init); diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index 6d345112bcb7..6e362de3f412 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -165,6 +165,7 @@ static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, u serio->open = serport_serio_open; serio->close = serport_serio_close; serio->port_data = serport; + serio->dev.parent = tty->dev; serio_register_port(serport->serio); printk(KERN_INFO "serio: Serial port %s\n", tty_name(tty, name)); diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c index 324c385a653d..af83135a7c1a 100644 --- a/drivers/serial/mfd.c +++ b/drivers/serial/mfd.c @@ -171,6 +171,9 @@ static ssize_t port_show_regs(struct file *file, char __user *user_buf, len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, "DIV: \t\t0x%08x\n", serial_in(up, UART_DIV)); + if (len > HSU_REGS_BUFSIZE) + len = HSU_REGS_BUFSIZE; + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); kfree(buf); return ret; @@ -218,6 +221,9 @@ static ssize_t dma_show_regs(struct file *file, char __user *user_buf, len += snprintf(buf + len, HSU_REGS_BUFSIZE - len, "D0TSR: \t\t0x%08x\n", chan_readl(chan, HSU_CH_D3TSR)); + if (len > HSU_REGS_BUFSIZE) + len = HSU_REGS_BUFSIZE; + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); kfree(buf); return ret; diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index cd8511298bcb..bc6cddd10294 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2065,7 +2065,19 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) /* * Re-enable the console device after suspending. */ - if (uart_console(uport)) { + if (console_suspend_enabled && uart_console(uport)) { + /* + * First try to use the console cflag setting. + */ + memset(&termios, 0, sizeof(struct ktermios)); + termios.c_cflag = uport->cons->cflag; + + /* + * If that's unset, use the tty termios setting. + */ + if (port->tty && port->tty->termios && termios.c_cflag == 0) + termios = *(port->tty->termios); + uart_change_pm(state, 0); uport->ops->set_termios(uport, &termios, NULL); console_start(uport->cons); diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h index 8554cb6a81b9..a3216655d657 100644 --- a/include/asm-generic/ioctls.h +++ b/include/asm-generic/ioctls.h @@ -62,7 +62,9 @@ #define TCSETSW2 _IOW('T', 0x2C, struct termios2) #define TCSETSF2 _IOW('T', 0x2D, struct termios2) #define TIOCGRS485 0x542E +#ifndef TIOCSRS485 #define TIOCSRS485 0x542F +#endif #define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ #define TCGETX 0x5432 /* SYS5 TCGETX compatibility */ diff --git a/include/linux/tty.h b/include/linux/tty.h index 67d64e6efe7a..86be0cdeb11b 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -256,6 +256,7 @@ struct tty_operations; struct tty_struct { int magic; struct kref kref; + struct device *dev; struct tty_driver *driver; const struct tty_operations *ops; int index; @@ -465,7 +466,7 @@ extern void proc_clear_tty(struct task_struct *p); extern struct tty_struct *get_current_tty(void); extern void tty_default_fops(struct file_operations *fops); extern struct tty_struct *alloc_tty_struct(void); -extern void tty_add_file(struct tty_struct *tty, struct file *file); +extern int tty_add_file(struct tty_struct *tty, struct file *file); extern void free_tty_struct(struct tty_struct *tty); extern void initialize_tty_struct(struct tty_struct *tty, struct tty_driver *driver, int idx); |