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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
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acpi
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asm-alpha [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-arm [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-arm26 [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-avr32 arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-blackfin fbdev: detect primary display device 2007-07-17 10:23:11 -07:00
asm-cris arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-frv arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-generic i386: Put allocated ELF notes in read-only data segment 2007-07-19 10:04:47 -07:00
asm-h8300 arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-i386 i386: Allow KVM on i386 nonpae 2007-07-19 14:37:05 -07:00
asm-ia64 [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-m32r [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-m68k arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-m68knommu m68knommu: remove is_in_rom() function 2007-07-19 10:04:51 -07:00
asm-mips [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-parisc [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-powerpc [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-ppc [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-s390 [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-sh [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-sh64 arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-sparc [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-sparc64 [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-um arch: personality independent stack top 2007-07-19 10:04:45 -07:00
asm-v850 fbdev: detect primary display device 2007-07-17 10:23:11 -07:00
asm-x86_64 [PATCH] sched: sched_cacheflush is now unused 2007-07-19 21:28:35 +02:00
asm-xtensa arch: personality independent stack top 2007-07-19 10:04:45 -07:00
crypto
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keys
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linux libata: improve SATA PHY speed down logic 2007-07-20 08:19:05 -04:00
math-emu
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media V4L/DVB (5835): saa7146/dvb-ttpci: Fix signedness warnings (gcc 4.1.1, kernel 2.6.22) 2007-07-18 14:24:44 -03:00
mtd UBI: kill homegrown endian macros 2007-07-18 16:53:49 +03:00
net Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6 2007-07-19 14:42:40 -07:00
pcmcia
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rdma
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rxrpc
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scsi [SCSI] Remove unused method scsi_device_cancel 2007-07-14 16:01:16 -05:00
sound
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video tgafb: actually allocate memory for the pseudo_palette 2007-07-17 10:23:12 -07:00
xen xen: Place vcpu_info structure into per-cpu memory 2007-07-18 08:47:45 -07:00
Kbuild
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