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tty/serial_core: add ISO7816 infrastructure

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Add the ISO7816 ioctl and associated accessors and data structure.
Drivers can then use this common implementation to handle ISO7816
(smart cards).

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[ludovic.desroches@microchip.com: squash and rebase, removal of gpios, checkpatch fixes]
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicolas Ferre
2018-09-26 14:58:47 +02:00
committed by Greg Kroah-Hartman
parent c550f01c81
commit ad8c0eaa0a
12 changed files with 179 additions and 0 deletions
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2
arch/mips/include/uapi/asm/ioctls.h
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@@ -93,6 +93,8 @@
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCGISO7816 _IOR('T', 0x42, struct serial_iso7816)
#define TIOCSISO7816 _IOWR('T', 0x43, struct serial_iso7816)
/* I hope the range from 0x5480 on is free ... */
#define TIOCSCTTY 0x5480 /* become controlling tty */