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Discovery Fixes:
- Prevent starting discovery of a node if discovery is in progress.
- Code improvement (reduction) for lpfc_findnode_did().
- Update discovery to send RFF to Fabric on link up
- Bypass unique WWN checks for fabric addresses
- Add ndlp to plogi list prior to issuing the plogi els command
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This is IBM Virtual SCSI target driver for tgt. The driver is based on
the original ibmvscsis driver:
http://lkml.org/lkml/2005/10/17/99
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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libsrp provides helper functions for SRP target drivers.
Some SRP target drivers would be out of drivers/scsi/ so we added an
entry for libsrp in drivers/scsi/Kconfig.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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In the switch over, I forgot to set the command length, so it sends out
a request sense with whatever length the prior command had (and fails
badly if it wasn't 6).
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Use NULL instead of 0 for pointers (sparse warning):
drivers/scsi/qla2xxx/qla_attr.c:393:4: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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This patch adds code to fix up the PHYMODE4 "align timing"
register value on second-generation Promise SATA chips.
Failure to correct this value on non-x86 machines makes
drive detection prone to failure due to timeouts. (I've
observed about 50% detection failure rates on SPARC64.)
The HW boots with a bad value in this register, but on x86
machines the Promise BIOS corrects it to the value recommended
by the manual, so most people have been unaffected by this issue.
After developing the patch I checked Promise's SATAII driver,
and discovered that it also corrects PHYMODE4 just like this
patch does.
This patch depends on the sata_promise SATAII updates
patch I sent recently.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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libata switched to IRQ-driven IDENTIFY when IRQ-driven PIO was
introduced. This has caused a lot of problems including device
misdetection and phantom device.
ATA_FLAG_DETECT_POLLING was added recently to selectively use polling
IDENTIFY on problemetic drivers but many controllers and devices are
affected by this problem and trying to adding ATA_FLAG_DETECT_POLLING
for each such case is diffcult and not very rewarding.
This patch makes libata always use polling IDENTIFY. This is
consistent with libata's original behavior and drivers/ide's behavior.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Noticed by Tejun and others.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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ahci_init_controller() calls ahci_deinit_port() to make sure the
controller is stopped before initializing the controller. In turn,
ahci_deinit_port() invokes ahci_power_down() to power down the port.
If the controller supports slumber mode, the link is put into it.
Unfortunately, some devices don't implement link powersaving mode
properly and show erratic behavior after link is put into slumber
mode. For example, HL-DT-ST DVD-RAM GSA-H30N completely locks up on
slumber transition and can only be recovered with the *REAL* hard
reset - power removal and reapply.
Note that this makes the first probing reset different from all
others. If the above dvd-ram is hotplugged after ahci is initialized,
no problem occurs because ahci is already fully initialized with phy
powered up. So, this might also be the reason for other weird AHCI
initial probing abnormalities.
This patch moves power up/down out of port init/deinit and call them
only when needed.
Power down is now called only when suspending. As system suspend
usually involves powering down 12v for storage devices, this shouldn't
cause problem even if the attached device doesn't support slumber
mode. However, in partial power management and suspend failure cases,
devices might lock up after suspend attempt. I thought about removing
transition to slumber mode altogether but ahci spec mandates it before
HBA D3 state transition. Blacklisting such devices might be the
solution.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Make ata_sg_clean() global and don't allow NCQ for internal commands.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Separate out rw ATA taskfile building from ata_scsi_rw_xlat() into
ata_build_rw_tf(). This will be used to improve media error handling.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Sg'ify ata_exec_internal() and call it ata_exec_internal_sg().
Wrapper function around ata_exec_internal_sg() is implemented to
provide ata_exec_internal() interface.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Now that BMDMA status is recorded in irq handler. ata_bmdma_freeze()
is free to manipulate host status. Under certain circumstances, some
controllers (ICH7 in enhanced mode w/ IRQ shared) raise IRQ when CTL
register is written to and ATA_NIEN doesn't mask it.
This patch makes ata_bmdma_freeze() clear all pending IRQs after
freezing a port. This change makes explicit clearing in
ata_device_add() unnecessary and thus kills it. The removed code was
SFF-specific and was in the wrong place.
Note that ->freeze() handler is always called under ap->lock held and
irq disabled. Even if CTL manipulation causes stuck IRQ, it's cleared
immediately. This should be safe (enough) even in SMP environment.
More correct solution is to mask the IRQ from IRQ controller but that
would be an overkill.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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For certain errors, interrupt handler alter BMDMA host status before
entering EH (clears active and intr). Thus altered BMDMA host status
value is recorded by BMDMA EH and reported to user. Move BMDMA host
status recording from EH to interrupt handler.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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ata_scsi_dev_rescan() doesn't synchronize against SCSI device detach
and the target sdev might go away in the middle. Fix it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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If EH command is issued to a frozen port, it fails with AC_ERR_SYSTEM.
libata used to request sense even when the port is frozen needlessly
adding AC_ERR_SYSTEM to err_mask. Don't do it.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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* READ CAPACITY (16) implementation fixed. Result was shifted by two
bytes. Carlos Pardo spotted this problem and submitted preliminary
patch. Capacity => 2TB is handled correctly now. (verifid w/ fake
capacity)
* Use dev->n_sectors instead of re-reading directly from ID data.
* Define and use ATA_SCSI_RBUF_SET() which considers rbuf length.
This should be done for all simulation functions. Userland can
issue any simulated command with arbitrary buffer length.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com>
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take #2
This patch implements ATA_FLAG_SETXFER_POLLING and use in pata_via.
If this flag is set, transfer mode setting performed by polling not by
interrupt. This should help those controllers which raise interrupt
before the command is actually complete on SETXFER.
Rationale for this approach.
* uses existing facility and relatively simple
* no busy sleep in the interrupt handler
* updating drivers is easy
While at it, kill now unused flag ATA_FLAG_SRST in pata_via.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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There are machines out there which share legacy PCI IDE IRQs w/ other
devices. libata SFF interrupt/HSM code is ready for shared IRQ and
has been setting IRQF_SHARED for devices in native PCI mode. Device
in legacy mode is still a PCI device and thus supposedly uses
active-low level triggered IRQ.
Machines with such setup should be quite rare and w/o this flag libata
is likely to fail loading and render the system unuseable. Also, IDE
driver has been setting IRQF_SHARED for devices in legacy mode for a
looooong time.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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sht->max_sectors is overrided unconditionally in ->slave_configure.
There's no reason to set it to any value.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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Add missing sht->slave_destroy. Most drivers received this fix in
didn't. Fix those four drives.
Signed-off-by: Tejun Heo <htejun@gmail.com>
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... into anonymous union of __wsum and __u32 (csum and csum_offset resp.)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update version to 1.5.1.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add PCI ID and detection for 5709 copper and SerDes chips.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add basic support to initialize the 5709 chip.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Re-organize the firmware handling code and declarations a bit to make
the code more compact.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change a long udelay() in bnx2_setup_copper_phy() to msleep().
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add code to parallel detect 1Gbps and 2.5Gbps link speeds.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Separate the 5706S SerDes handling code in bnx2_timer() and put it
in a new function.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Add support for 2.5Gbps forced speed setting.
2. Remove a long udelay() loop and change to msleep().
3. Other misc. SerDes fixes.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes the problem of not receiving packets in the Xen bridging
environment. The Xen script sets the device's MAC address to
FE:FF:FF:FF:FF:FF and puts the device in promiscuous mode. The
firmware had problem receiving all packets in this configuration.
New firmware and setting the PROM_VLAN bit when in promiscuous mode
will fix this problem.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spotted by Ian McDonald, tentatively fixed by Gerrit Renker:
http://www.mail-archive.com/dccp%40vger.kernel.org/msg00599.html
Rewritten not to unroll sk_receive_skb, in the common case, i.e. no lock
debugging, its optimized away.
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The beast had a long and not very happy history. At one
point, a friend (netdump) had asked that he open up a little.
Well, the friend was long gone now, and the beast had
this dangling piece hanging (netpoll_queue).
It wasn't hard to stitch the netpoll_queue back in
where it belonged and make everything tidy.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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The beast was not always healthy. When it was sick,
it tended to be laconic and not tell anyone the real problem.
A few small changes had it telling the world about its
problems, if they really wanted to hear.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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6.5.7(5): The result of E1 >> E2 is E1 right-shifted E2 bit positions.
...
If E1 has a signed type and a negative value, the resulting value
is implementation defined.
So, cast -1 to unsigned type to make result well-defined.
[ Modified to use ~0U based upon recommendation from Al Viro. -DaveM ]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch contains the scheduled removal of the frame diverter.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (118 commits)
[netdrvr] skge: build fix
[PATCH] NetXen: driver cleanup, removed unnecessary __iomem type casts
[PATCH] PHY: Add support for configuring the PHY connection interface
[PATCH] chelesio: transmit locking (plus bug fix).
[PATCH] chelsio: statistics improvement
[PATCH] chelsio: add MSI support
[PATCH] chelsio: use standard CRC routines
[PATCH] chelsio: cleanup pm3393 code
[PATCH] chelsio: add 1G swcixw aupport
[PATCH] chelsio: add support for other 10G boards
[PATCH] chelsio: remove unused mutex
[PATCH] chelsio: use kzalloc
[PATCH] chelsio: whitespace fixes
[PATCH] amd8111e use standard CRC lib
[PATCH] sky2: msi enhancements.
[PATCH] sky2: kfree_skb_any needed
[PATCH] sky2: fixes for Yukon EC_U chip revisions
[PATCH] sky2: add Dlink 560SX id
[PATCH] sky2: receive error handling fix
[PATCH] skge: don't clear MC state on link down
...
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master.kernel.org:/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/drzeus/mmc:
mmc: correct request error handling
mmc: Flush block queue when removing card
mmc: sdhci high speed support
mmc: Support for high speed SD cards
mmc: Fix mmc_delay() function
mmc: Add support for mmc v4 wide-bus modes
[PATCH] mmc: Add support for mmc v4 high speed mode
trivial change for mmc/Kconfig: MMC_PXA does not mean only PXA255
Make general code cleanups
Add MMC_CAP_{MULTIWRITE,BYTEBLOCK} flags
Platform device error handling cleanup
Move register definitions away from the header file
Change OMAP_MMC_{READ,WRITE} macros to use the host pointer
Replace base with virt_base and phys_base
mmc: constify mmc_host_ops vectors
mmc: remove kernel_thread()
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Signed-off-by: Jeff Garzik <jeff@garzik.org>
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