AuxXxilium/linux_dsm_epyc7002
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06a7f05876
linux_dsm_epyc7002/drivers
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David Brownell 06a7f05876 atmel_serial: keep clock off when it's not needed 
The atmel_serial driver is mismanaging its clock by leaving it on at all
times ...  the whole point of clock management is to leave it off unless
it's actively needed, which conserves power!!

Although the kernel doesn't actually hang without my fix, it does
discard quite a lot of early console output.

The result still looks correct:

          usart        users= 1 on   35000000 Hz, for atmel_usart.0
          usart        users= 0 off  35000000 Hz, for atmel_usart.2

when using ttyS0 as serial console.

[haavard.skinnemoen@atmel.com: Make sure clock is enabled early for console]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-06 15:41:19 -08:00
..
accessibility
acpi ACPI suspend: build fix for ACPI_SLEEP=n && XEN_SAVE_RESTORE=y. 2008-10-25 04:07:13 -04:00
amba
ata libata: mask off DET when restoring SControl for detach 2008-11-04 01:08:33 -05:00
atm
auxdisplay
base sysfs: Fix return values for sysdev_store_{ulong,int} 2008-10-29 15:03:49 -07:00
block cciss: fix regression firmware not displayed in procfs 2008-11-06 15:41:18 -08:00
bluetooth bpa10x: free sk_buff with kfree_skb 2008-10-31 00:40:19 -07:00
cdrom gdrom: Fix compile error 2008-10-28 17:46:02 +09:00
char vt: incomplete initialization of vc_tab_stop 2008-11-06 15:41:17 -08:00
clocksource Merge branches 'timers/clocksource', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/debug' into v28-timers-for-linus 2008-10-20 13:14:06 +02:00
connector
cpufreq
cpuidle Merge branch 'v28-range-hrtimers-for-linus-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-10-23 10:53:02 -07:00
crypto
dca device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
dio
dma Merge branch 'i7300_idle' into release 2008-10-25 04:07:44 -04:00
edac edac: fix enabling of polling cell module 2008-10-30 11:38:46 -07:00
eisa
firewire firewire: fw-sbp2: fix races 2008-10-26 10:27:01 +01:00
firmware x86: sysfs: kill owner field from attribute 2008-10-20 08:52:42 -07:00
gpio mfd: twl4030-gpio driver 2008-10-22 01:19:39 +02:00
gpu Merge branch 'io-mappings-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-11-03 10:15:40 -08:00
hid saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
hwmon hwmon: applesmc: add support for iMac 8 2008-11-06 15:41:17 -08:00
i2c i2c-s3c2410: Correct use of ! and & 2008-10-30 15:55:47 +01:00
ide ide-gd: re-get capacity on revalidate 2008-11-02 21:40:10 +01:00
idle i7300_idle: Cleanup based review comments 2008-10-24 12:55:14 -04:00
ieee1394 saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
infiniband saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
input saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
isdn device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
leds remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
lguest
macintosh device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
mca
md Merge branch 'for-linus' of git://neil.brown.name/md 2008-10-30 18:36:16 -07:00
media V4L/DVB (9336): cx88: always de-alloc frontends on fault condition 2008-10-21 14:32:12 -02:00
memstick [PATCH] switch memstick 2008-10-21 07:48:33 -04:00
message saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
mfd missing dependencies on HAVE_CLK in drivers/mfd 2008-11-01 12:40:38 -07:00
misc remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
mmc [ARM] 5322/1: Fix fastpath issue in mmci.c 2008-10-28 00:00:42 +00:00
mtd drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-11-04 08:30:12 -08:00
nubus nubus: fix mis-indented statement 2008-10-16 11:21:30 -07:00
of OF-device: Don't overwrite numa_node in device registration 2008-10-31 16:12:01 +11:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile 2008-10-23 10:05:40 -07:00
parisc [PATCH] introduce fmode_t, do annotations 2008-10-21 07:47:06 -04:00
parport Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2008-10-30 12:52:53 -07:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-10-30 12:09:44 -07:00
pcmcia Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-31 16:18:02 +09:00
pnp drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
power Merge git://git.infradead.org/battery-2.6 2008-10-20 09:44:30 -07:00
ps3 ps3: Add passthru support for non-audio streams 2008-10-20 08:05:15 +02:00
rapidio
regulator regulator: da903x regulator bug fix 2008-10-30 15:31:35 +00:00
rtc rtc: fix handling of missing tm_year data when reading alarms 2008-11-06 15:41:17 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-30 11:46:28 -07:00
sbus drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
scsi saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
serial atmel_serial: keep clock off when it's not needed 2008-11-06 15:41:19 -08:00
sh
sn
spi Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2008-10-16 12:40:26 -07:00
ssb Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2008-10-13 14:12:40 -07:00
staging drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
tc
telephony saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
thermal
uio saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
usb saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
uwb uwb: wrong sizeof argument in mac address compare 2008-10-20 14:37:53 +01:00
video fbdev: fix fb_compat_ioctl() deadlocks 2008-11-06 15:41:19 -08:00
virtio
w1 x86: sysfs: kill owner field from attribute 2008-10-20 08:52:42 -07:00
watchdog [PATCH] Switch all my contributions stuff to a single common address 2008-10-28 19:16:11 +00:00
xen drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
zorro
Kconfig regulator: Build on non-ARM platforms 2008-10-28 21:47:17 +00:00
Makefile Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb 2008-10-26 16:35:46 -07:00