The patch titled ti_usb_3410_5052: Extend locking to msr and shadow mcr has been removed from the -mm tree. Its filename was ti_usb_3410_5052-extend-locking-to-msr-and-shadow-mcr.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: ti_usb_3410_5052: Extend locking to msr and shadow mcr From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Alan Cox <alan@xxxxxxxxxx> Cc: Greg KH <greg@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/usb/serial/ti_usb_3410_5052.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff -puN drivers/usb/serial/ti_usb_3410_5052.c~ti_usb_3410_5052-extend-locking-to-msr-and-shadow-mcr drivers/usb/serial/ti_usb_3410_5052.c --- a/drivers/usb/serial/ti_usb_3410_5052.c~ti_usb_3410_5052-extend-locking-to-msr-and-shadow-mcr +++ a/drivers/usb/serial/ti_usb_3410_5052.c @@ -1022,14 +1022,17 @@ static int ti_tiocmget(struct usb_serial unsigned int result; unsigned int msr; unsigned int mcr; + unsigned long flags; dbg("%s - port %d", __FUNCTION__, port->number); if (tport == NULL) return -ENODEV; + spin_lock_irqsave(&tport->tp_lock, flags); msr = tport->tp_msr; mcr = tport->tp_shadow_mcr; + spin_unlock_irqrestore(&tport->tp_lock, flags); result = ((mcr & TI_MCR_DTR) ? TIOCM_DTR : 0) | ((mcr & TI_MCR_RTS) ? TIOCM_RTS : 0) @@ -1050,12 +1053,14 @@ static int ti_tiocmset(struct usb_serial { struct ti_port *tport = usb_get_serial_port_data(port); unsigned int mcr; + unsigned long flags; dbg("%s - port %d", __FUNCTION__, port->number); if (tport == NULL) return -ENODEV; + spin_lock_irqsave(&tport->tp_lock, flags); mcr = tport->tp_shadow_mcr; if (set & TIOCM_RTS) @@ -1071,6 +1076,7 @@ static int ti_tiocmset(struct usb_serial mcr &= ~TI_MCR_DTR; if (clear & TIOCM_LOOP) mcr &= ~TI_MCR_LOOP; + spin_unlock_irqrestore(&tport->tp_lock, flags); return ti_set_mcr(tport, mcr); } @@ -1358,14 +1364,17 @@ static void ti_send(struct ti_port *tpor static int ti_set_mcr(struct ti_port *tport, unsigned int mcr) { + unsigned long flags; int status; status = ti_write_byte(tport->tp_tdev, tport->tp_uart_base_addr + TI_UART_OFFSET_MCR, TI_MCR_RTS | TI_MCR_DTR | TI_MCR_LOOP, mcr); + spin_lock_irqsave(&tport->tp_lock, flags); if (!status) tport->tp_shadow_mcr = mcr; + spin_unlock_irqrestore(&tport->tp_lock, flags); return status; } _ Patches currently in -mm which might be from alan@xxxxxxxxxxxxxxxxxxx are origin.patch libata-isolate-and-rework-cable-logic.patch pata_amd-fix-sparse-warning.patch 8390-split-8390-support-into-a-pausing-and-a-non-pausing-driver-core.patch parisc-new-termios-definitions.patch git-scsi-rc-fixes.patch crisv10-prepare-for-bkl-push-down.patch fix-tty-speed-handling-on-8250.patch uart_get_baud_rate-stop-mangling-termios.patch do_task_stat-dont-take-rcu_read_lock.patch amiserial-prepare-for-locking-relaxation-in-caller.patch cyclades-prepare-for-relaxed-locking-in-callers.patch epca-lock_kernel-push-down.patch esp-lock_kernel-push-down.patch isicom-prepare-for-lock_kernel-push-down.patch isicom-istallion-prepare-for-lock_kernel-pushdown.patch mxser-prepare-for-bkl-pushdown.patch nozomi-prepare-for-bkl-pushdown.patch riscom8-prepare-for-bkl-pushdown.patch rocket-prepare-for-bkl-pushdown.patch serial167-prepare-to-push-bkl-down-into-drivers.patch specialix-prepare-for-bkl-pushdown.patch stallion-prepare-for-bkl-push-down.patch sx-prepare-for-bkl-pushdown.patch synclink-series-prepare-for-bkl-pushdown.patch viocons-bkl-locking.patch vt_ioctl-prepare-for-bkl-push-down.patch isdn_tty-prepare-for-bkl-push-down.patch 68360serial-note-that-there-isnt-any-info-mcr-locking.patch serial_core-prepare-for-bkl-push-down.patch tty-bkl-pushdown.patch tty-bkl-pushdown-fix1.patch redo-locking-of-tty-pgrp.patch put_pid-make-sure-we-dont-free-the-live-pid.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