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d087e7a991
mirror_ubuntu-kernels/drivers/tty
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Phil Elwell d087e7a991 serial: 8250: Add CAP_MINI, set for bcm2835aux 
The AUX/mini-UART in the BCM2835 family of procesors is a cut-down
8250 clone. In particular it is lacking support for the following
features: CSTOPB PARENB PARODD CMSPAR CS5 CS6

Add a new capability (UART_CAP_MINI) that exposes the restrictions to
the user of the termios API by turning off the unsupported features in
the request.

N.B. It is almost possible to automatically discover the missing
features by reading back the LCR register, but the CSIZE bits don't
cooperate (contrary to the documentation, both bits are significant,
but CS5 and CS6 are mapped to CS7) and the code is much longer.

See: https://github.com/raspberrypi/linux/issues/1561

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-24 15:15:56 +02:00
..
hvc drivers/tty/hvc: fix spelling mistake: "missmanaged" -> "mismanaged" 2017-05-18 16:34:55 +02:00
ipwireless tty: ipwireless, cleanup TIOCGSERIAL 2016-06-25 08:56:30 -07:00
serdev tty: serdev-ttyport: return actual baudrate from ttyport_set_baudrate 2017-05-18 16:19:16 +02:00
serial serial: 8250: Add CAP_MINI, set for bcm2835aux 2017-05-24 15:15:56 +02:00
vt tty/vt/keyboard: Remove AVR32 bits from the driver 2017-05-18 16:34:55 +02:00
amiserial.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
bfin_jtag_comm.c
cyclades.c Annotate hardware config module parameters in drivers/tty/ 2017-04-20 12:02:32 +01:00
ehv_bytechan.c drivers/tty: make ehv_bytechan.c explicitly non-modular 2016-02-06 23:26:43 -08:00
goldfish.c tty: goldfish: Fix a parameter of a call to free_irq 2017-01-12 11:51:25 +01:00
isicom.c tty: Replace ASYNC_INITIALIZED bit and update atomically 2016-04-30 09:26:55 -07:00
Kconfig devpts: Make each mount of devpts an independent filesystem. 2016-06-05 10:36:01 -07:00
Makefile tty: split job control support into a file of its own 2017-04-18 18:01:52 +02:00
metag_da.c timers, drivers/tty/metag_da: Initialize the poll timer as pinned 2016-07-07 10:25:14 +02:00
mips_ejtag_fdc.c timers, drivers/tty/mips_ejtag: Initialize the poll timer as pinned 2016-07-07 10:34:59 +02:00
moxa.c Annotate hardware config module parameters in drivers/tty/ 2017-04-20 12:02:32 +01:00
moxa.h
mxser.c Annotate hardware config module parameters in drivers/tty/ 2017-04-20 12:02:32 +01:00
mxser.h
n_gsm.c tty: n_gsm: Use net_device_stats from struct net_device 2017-03-17 14:14:00 +09:00
n_hdlc.c format-security: move static strings to const 2017-05-08 17:15:14 -07:00
n_r3964.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c Fix OpenSSH pty regression on close 2016-05-01 13:22:54 -07:00
nozomi.c tty: nozomi: avoid sprintf buffer overflow 2016-11-29 20:20:07 +01:00
pty.c tty: pty: Fix ldisc flush after userspace become aware of the data already 2017-03-17 14:16:09 +09:00
rocket_int.h tty: rocket: Remove private close_wait 2016-01-28 14:13:44 -08:00
rocket.c Annotate hardware config module parameters in drivers/tty/ 2017-04-20 12:02:32 +01:00
rocket.h
synclink_gt.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
synclink.c Annotate hardware config module parameters in drivers/tty/ 2017-04-20 12:02:32 +01:00
synclinkmp.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
sysrq.c oom: improve oom disable handling 2017-05-03 15:52:10 -07:00
tty_audit.c tty: audit: remove unused variable 2016-03-07 16:11:14 -08:00
tty_baudrate.c tty: move baudrate handling code to a file of its own 2017-04-18 18:01:52 +02:00
tty_buffer.c tty_port: Add port client functions 2017-02-03 10:17:02 +01:00
tty_io.c tty: fix comment for __tty_alloc_driver() 2017-04-24 13:15:39 +02:00
tty_ioctl.c tty: move baudrate handling code to a file of its own 2017-04-18 18:01:52 +02:00
tty_jobctrl.c tty: split job control support into a file of its own 2017-04-18 18:01:52 +02:00
tty_ldisc.c Revert "tty: don't panic on OOM in tty_set_ldisc()" 2017-04-14 10:59:56 +02:00
tty_ldsem.c sched/headers: Prepare to move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h> 2017-03-02 08:42:40 +01:00
tty_mutex.c Merge 4.5-rc4 into tty-next 2016-02-14 14:36:04 -08:00
tty_port.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00