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Paul Walmsley 197234520b tty: serial: omap-serial: wakeup latency constraint is in microseconds, not milliseconds ... The receive FIFO wakeup latency estimate in the omap-serial driver is three orders of magnitude too small. This effectively prevents the MPU from going to a low-power state when CONFIG_CPU_IDLE=y. This is a major power management regression and masks some other FIFO-related bugs in the driver. Fix by correcting the most egregious problem in the RX wakeup latency estimate. There are several other flaws in the estimator; these will be fixed by a separate patch series intended for 3.4. The difference in low-power states with this patch can be observed via debugfs in pm_debug/count. This estimate does not have any effect when CONFIG_CPU_IDLE=n. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Alan Cox <alan@linux.intel.com> Acked-by: Govindraj.R <govindraj.raja@ti.com> Reviewed-by: Kevin Hilman <khilman@ti.com> Tested-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		13 years ago
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hvc	tty: hvc_dcc: Fix duplicate character inputs	13 years ago
ipwireless	…
serial	tty: serial: omap-serial: wakeup latency constraint is in microseconds, not milliseconds	13 years ago
vt	drivers/tty/vt/vt_ioctl.c: fix KDFONTOP 32bit compatibility layer	13 years ago
Kconfig	Merge branch 'for-linus' of git://github.com/richardweinberger/linux	13 years ago
Makefile	tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver	14 years ago
amiserial.c	TTY: irq: Remove IRQF_DISABLED	14 years ago
bfin_jtag_comm.c	atomic: use <linux/atomic.h>	14 years ago
cyclades.c	TTY: irq: Remove IRQF_DISABLED	14 years ago
ehv_bytechan.c	drivers/tty: don't use the byte channel handle as a parameter in ehv_bytechan.c	14 years ago
isicom.c	TTY: irq: Remove IRQF_DISABLED	14 years ago
moxa.c	drivers/tty: use printk_ratelimited() instead of printk_ratelimit()	14 years ago
moxa.h	…
mxser.c	TTY: mxser+cyclades remove wait_until_sent debug code	14 years ago
mxser.h	…
n_gsm.c	n_gsm: Fix timings	13 years ago
n_hdlc.c	tty: n_hdlc not atomic use tty->flags.	13 years ago
n_r3964.c	Revert "tty: make receive_buf() return the amout of bytes received"	14 years ago
n_tracerouter.c	…
n_tracesink.c	…
n_tracesink.h	…
n_tty.c	drivers/tty: Remove unneeded spaces	13 years ago
nozomi.c	…
pty.c	TTY: pty, cleanup the pty counting	13 years ago
rocket.c	module_param: make bool parameters really bool (drivers & misc)	13 years ago
rocket.h	…
rocket_int.h	…
synclink.c	module_param: make bool parameters really bool (drivers & misc)	13 years ago
synclink_gt.c	…
synclinkmp.c	module_param: make bool parameters really bool (drivers & misc)	13 years ago
sysrq.c	fs: move code out of buffer.c	13 years ago
tty_audit.c	…
tty_buffer.c	tty_buffer: get rid of 'seen_tail' logic in flush_to_ldisc	14 years ago
tty_io.c	Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty	13 years ago
tty_ioctl.c	tty: Support compat_ioctl get/set termios_locked	14 years ago
tty_ldisc.c	Merge 3.2-rc3 into tty-next to handle merge conflict in tty_ldisc.c	13 years ago
tty_mutex.c	TTY: remove tty_locked	14 years ago
tty_port.c	TTY: fix UV serial console regression	13 years ago