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tty: let architectures override the user/kernel macros.

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Give architectures that support the new termios2 the possibilty to overide the
user_termios_to_kernel_termios and kernel_termios_to_user_termios macros.  As
soon as all architectures that use the generic variant have been converted the
ifdefs can go away again.  Architectures in question are avr32, frv, powerpc
and s390.

Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Heiko Carstens 2008-02-08 04:18:39 -08:00 committed by Linus Torvalds
parent d94afc6ccf
commit aa7738a5f5
1 changed files with 6 additions and 0 deletions
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6
include/asm-generic/termios.h
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@ -61,8 +61,14 @@ static inline int kernel_termios_to_user_termio(struct termio __user *termio,
return 0;
}
#ifndef user_termios_to_kernel_termios
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
#endif
#ifndef kernel_termios_to_user_termios
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif
#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))