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Tejun Heo 008a78961e libata: improve SATA PHY speed down logic 
sata_down_spd_limit() first reads the current SPD from SStatus and
limit the speed to the lower one of one below the current limit or one
below the current SPD in SStatus.  SPD may not be accessible or valid
when SPD down is requested making sata_down_spd_limit() fail when it's
most needed.

This patch makes the current SPD cached after each successful reset
and forces GEN I speed (1.5Gbps) if neither of SStatus or the cached
value is valid, so sata_down_spd_limit() is now guaranteed to lower
the speed limit if lower speed is available.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
 		2007-07-20 08:19:05 -04:00
..
acorn
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acpi mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
amba
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ata libata: improve SATA PHY speed down logic 2007-07-20 08:19:05 -04:00
atm [ATM]: nicstar needs virt_to_bus 2007-07-18 02:13:42 -07:00
auxdisplay
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base PM: Do not require dev spew to get PM_DEBUG 2007-07-19 10:04:42 -07:00
block mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
bluetooth
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cdrom
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char random: fix bound check ordering (CVE-2007-3105) 2007-07-19 14:21:04 -07:00
clocksource
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connector
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cpufreq
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crypto
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dio
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dma
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edac drivers/edac: fix edac_device sysfs corner case bug 2007-07-19 10:04:57 -07:00
eisa
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fc4
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firewire firewire: fw-sbp2: convert to new SCSI data buffer accessors 2007-07-18 23:53:28 +02:00
firmware
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hid
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hwmon Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6 2007-07-19 14:24:57 -07:00
i2c Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6 2007-07-19 14:24:57 -07:00
ide ide: add support for SCSI ioctls to ide-floppy 2007-07-20 01:11:59 +02:00
ieee1394 mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
infiniband mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
input some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
isdn isdn/sc: compile breakage re check_reset() 2007-07-19 10:04:50 -07:00
kvm mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
leds
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lguest lguest: the Makefile and Kconfig 2007-07-19 10:04:52 -07:00
macintosh some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
mca
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md mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
media some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
message mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
mfd some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
misc some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
mmc some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
mtd mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
net Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2007-07-19 10:23:21 -07:00
nubus some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
oprofile
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parisc serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
parport some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
pci some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
pcmcia PM: remove deprecated dpm_runtime_* routines 2007-07-18 15:49:49 -07:00
pnp some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
power
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ps3
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rapidio some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
rtc RTC: add periodic irq support to rtc-cmos 2007-07-19 10:04:52 -07:00
s390 mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
sbus some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
scsi mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
serial some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
sh some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
sn some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
spi use mutex instead of semaphore in SPI core/init code 2007-07-17 10:23:05 -07:00
tc zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00
telephony some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
uio UIO: Hilscher CIF card driver 2007-07-18 15:57:16 -07:00
usb mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
video Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild 2007-07-19 14:28:19 -07:00
w1 some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
xen xen: add the Xenbus sysfs and virtual device hotplug driver 2007-07-18 08:47:45 -07:00
zorro
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Kconfig lguest: the Makefile and Kconfig 2007-07-19 10:04:52 -07:00
Makefile lguest: the Makefile and Kconfig 2007-07-19 10:04:52 -07:00