The patch titled ldisc: new dcd_change() method for line disciplines has been added to the -mm tree. Its filename is ldisc-new-dcd_change-method-for-line-disciplines.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: ldisc: new dcd_change() method for line disciplines From: Rodolfo Giometti <giometti@xxxxxxxx> Signed-off-by: Rodolfo Giometti <giometti@xxxxxxxx> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> Cc: Greg KH <greg@xxxxxxxxx> Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Cc: Alexander Gordeev <lasaine@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/serial/tty.txt | 4 ++++ include/linux/tty_ldisc.h | 8 ++++++++ 2 files changed, 12 insertions(+) diff -puN Documentation/serial/tty.txt~ldisc-new-dcd_change-method-for-line-disciplines Documentation/serial/tty.txt --- a/Documentation/serial/tty.txt~ldisc-new-dcd_change-method-for-line-disciplines +++ a/Documentation/serial/tty.txt @@ -105,6 +105,10 @@ write_wakeup() - May be called at any po is permitted to call the driver write method from this function. In such a situation defer it. +dcd_change() - Report to the tty line the current DCD pin status + changes and the relative timestamp. The timestamp + can be NULL. + Driver Access diff -puN include/linux/tty_ldisc.h~ldisc-new-dcd_change-method-for-line-disciplines include/linux/tty_ldisc.h --- a/include/linux/tty_ldisc.h~ldisc-new-dcd_change-method-for-line-disciplines +++ a/include/linux/tty_ldisc.h @@ -99,6 +99,12 @@ * cease I/O to the tty driver. Can sleep. The driver should * seek to perform this action quickly but should wait until * any pending driver I/O is completed. + * + * void (*dcd_change)(struct tty_struct *tty, unsigned int status, + * struct timespec *ts) + * + * Tells the discipline that the DCD pin has changed its status and + * the relative timestamp. Pointer ts can be NULL. */ #include <linux/fs.h> @@ -136,6 +142,8 @@ struct tty_ldisc_ops { void (*receive_buf)(struct tty_struct *, const unsigned char *cp, char *fp, int count); void (*write_wakeup)(struct tty_struct *); + void (*dcd_change)(struct tty_struct *, unsigned int, + struct timespec *); struct module *owner; _ Patches currently in -mm which might be from giometti@xxxxxxxx are linux-next.patch pps-linuxpps-clients-support.patch ldisc-new-dcd_change-method-for-line-disciplines.patch ldisc-n_tty-add-new-method-n_tty_inherit_ops.patch pps-serial-clients-support.patch pps-serial-clients-support-fix.patch serial-8250-enable-pps-support.patch serial-amba-pl010-enable-pps-support.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html