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Alan 032af1ce16 libata-core: Fix simplex handling 
The initial simplex handling code is fooled if you suspend and resume.
This also causes problems with some single channel controllers which
claim to be simplex.

The fix is fairly simple, instead of keeping a flag to remember if we
gave away the simplex channel we remember the actual owner. As the owner
is always part of the host_set we don't even need a refcount.

Knowing the owner also means we can reassign simplex DMA channels in
future hotplug code etc if we need to

Signed-off-by: Alan Cox <alan@redhat.com>
(and a signed-off for the patch I sent before while I remember)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-02 17:42:48 -05:00
..
acpi Pull bugzilla-7887 into release branch 2007-02-16 22:11:57 -05:00
asm-alpha [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2007-02-26 13:19:17 -08:00
asm-arm26 Storage class should be before const qualifier 2007-02-17 20:11:19 +01:00
asm-avr32 Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2007-02-19 13:18:39 -08:00
asm-cris [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-frv [PATCH] FRV: Add some missng lazy MMU hooks for NOMMU mode 2007-03-01 14:53:36 -08:00
asm-generic [PATCH] i386: paravirt CPU hypercall batching mode 2007-02-13 13:26:21 +01:00
asm-h8300 [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-i386 Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq 2007-02-26 14:17:50 -08:00
asm-ia64 Storage class should be before const qualifier 2007-02-17 20:11:19 +01:00
asm-m32r [PATCH] fix sparse warnings from {asm,net}/checksum.h 2007-02-11 10:51:31 -08:00
asm-m68k [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-m68knommu [PATCH] m68knommu: removed include of system.h from bitops 2007-02-09 10:45:33 -08:00
asm-mips [MIPS] Remove unreferenced _IOC_SLMASK macro in ioctl.h. 2007-02-26 23:06:06 +00:00
asm-parisc Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6 2007-02-26 12:48:06 -08:00
asm-powerpc [POWERPC] QE: clean up ucc_slow.c and ucc_fast.c 2007-02-17 16:12:54 -06:00
asm-ppc [POWERPC] ppc: Add support for AMCC Taishan 440GX eval board 2007-02-13 15:35:52 +11:00
asm-s390 [S390] add atomic64_xchg to s390 2007-02-21 10:55:59 +01:00
asm-sh sh: rts7751r2d board updates. 2007-02-15 18:20:52 +09:00
asm-sh64 [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-sparc [PATCH] add missing io...._rep() on sparc32 2007-02-11 11:18:07 -08:00
asm-sparc64 [SPARC64]: Fix parport_pc build. 2007-02-28 13:09:34 -08:00
asm-um [PATCH] uml: pte_mkread fix 2007-03-01 14:53:38 -08:00
asm-v850 [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
asm-x86_64 Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq 2007-02-26 14:17:50 -08:00
asm-xtensa [PATCH] consolidate line discipline number definitions 2007-02-11 10:51:26 -08:00
crypto [CRYPTO] api: Allow multiple frontends per backend 2007-02-07 09:21:01 +11:00
keys
linux libata-core: Fix simplex handling 2007-03-02 17:42:48 -05:00
math-emu
media V4L/DVB (5271): Add VIDIOC_TRY_ENCODER_CMD and VIDIOC_ENCODER_CMD ioctls. 2007-03-01 13:09:46 -02:00
mtd [MTD] remove unused ecctype,eccsize fields from struct mtd_info 2007-02-09 15:27:12 +00:00
net [NET]: Handle disabled preemption in gfp_any() 2007-02-28 09:42:13 -08:00
pcmcia serial: Add PCMCIA IDs for Quatech DSP-100 dual RS232 adapter. 2007-02-16 15:19:16 -08:00
rdma RDMA/cma: Add multicast communication support 2007-02-16 14:29:07 -08:00
rxrpc
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2007-02-19 13:32:28 -08:00
sound [ALSA] version 1.0.14rc2 2007-02-14 08:42:20 +01:00
video [PATCH] Video: fb, add true ref_count atomicity 2007-02-12 09:48:42 -08:00
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