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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] i6300esb.c: start locking
[WATCHDOG] i6300esb.c: convert to platform device driver
[WATCHDOG] wdt.c: remove #ifdef CONFIG_WDT_501
[WATCHDOG] Fix io.h & uaccess.h includes.
[WATCHDOG] More coding-style and trivial clean-up
[WATCHDOG] struct file_operations should be const
[WATCHDOG] cpwd.c: Coding style - Clean-up
[WATCHDOG] hpwdt.c: Add new HP BMC controller.
[PATCH 13/13] drivers/watchdog: use USB API functions rather than constants
[WATCHDOG] orion5x_wdt: fix compile issue by providing tclk as platform data
[WATCHDOG] rc32434_wdt: make sure watchdog is not running at startup
[WATCHDOG] rc32434_wdt: add spin_locking
[WATCHDOG] rc32434_wdt: add shutdown method
[WATCHDOG] rc32434_wdt: add timeout module parameter
[WATCHDOG] rc32434_wdt: clean-up driver
[WATCHDOG] davinci: convert to ioremap() + io[read|write]
[WATCHDOG] w83697ug: add error checking
[WATCHDOG] cpwd.c & riowd.c - unlocked_ioctl
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (30 commits)
RDMA/cxgb3: Enforce required firmware
IB/mlx4: Unregister IB device prior to CLOSE PORT command
mlx4_core: Add link type autosensing
mlx4_core: Don't perform SET_PORT command for Ethernet ports
RDMA/nes: Handle MPA Reject message properly
RDMA/nes: Improve use of PBLs
RDMA/nes: Remove LLTX
RDMA/nes: Inform hardware that asynchronous event has been handled
RDMA/nes: Fix tmp_addr compilation warning
RDMA/nes: Report correct vendor_id and vendor_part_id
RDMA/nes: Update copyright to new legal entity and year
RDMA/nes: Account for freed PBL after HW operation
IB: Remove useless ibdev_is_alive() tests from sysfs code
IB/sa_query: Fix AH leak due to update_sm_ah() race
IB/mad: Fix ib_post_send_mad() returning 0 with no generate send comp
IB/mad: initialize mad_agent_priv before putting on lists
IB/mad: Fix null pointer dereference in local_completions()
IB/mad: Fix RMPP header RRespTime manipulation
IB/iser: Remove hard setting of path MTU
mlx4_core: Add device IDs for MT25458 10GigE devices
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (35 commits)
[libata] Improve timeout handling
[libata] Drain data on errors
pata_sc1200: Activate secondary channel
pata_artop: Serializing support
[libata] ahci: correct enclosure LED state save
[libata] More robust parsing for IDENTIFY DEVICE multi_count field
sata_mv: fix LED blinking for SoC+NCQ
sata_mv: optimize IRQ coalescing for 8-port chips
sata_mv: implement IRQ coalescing (v2)
sata_mv: cosmetic preparations for IRQ coalescing
pata-rb532-cf: platform_get_irq() fix ignored failure
pata_efar: fix *dma_mask
pata_radisys: fix mwdma_mask to exclude mwdma0
[libata] convert drivers to use ata.h mode mask defines
include/linux/ata.h: add some more transfer masks
ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off
[libata] sata_mv: Implement direct FIS transmission via mv_qc_issue_fis().
[libata] Export ata_pio_queue_task() so that it can be used from sata_mv.
[libata] sata_mv: Add a new mv_sff_check_status() function to sata_mv.
[libata] sata_mv: Tighten up interrupt masking in mv_qc_issue()
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (97 commits)
USB: qcserial: add device id for HP devices
USB: isp1760: Add a delay before reading the SKIPMAP registers in isp1760-hcd.c
USB: allow malformed LANGID descriptors
USB: pxa27x_udc: typo fixes and code cleanups
USB: gadget: gadget zero uses new suspend/resume hooks
USB: gadget: composite device-level suspend/resume hooks
USB: r8a66597-hcd: suspend/resume support
USB: more u32 conversion after transfer_buffer_length and actual_length
USB: Fix cp2101 USB serial device driver termios functions for console use
USB: CP2101 New Device ID
USB: ipaq: handle 4 endpoint devices
USB: S3C: Move usb-control.h to platform include
USB: ohci-hcd: Add ARCH_S3C24XX to the ohci-s3c2410.c glue
USB: pedantic: spelling correction in comment for ch9.h
USB: host: fix sparse warning: Using plain integer as NULL pointer
USB: ohci-s3c2410: fix name of bus clock
USB: ohci-s3c2410: remove <mach/hardware.h> include
USB: serial: rename cp2101 driver to cp210x
USB: CP2101 Reduce Error Logging
USB: CP2101 Support AN205 baud rates
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (61 commits)
Dynamic debug: fix pr_fmt() build error
Dynamic debug: allow simple quoting of words
dynamic debug: update docs
dynamic debug: combine dprintk and dynamic printk
sysfs: fix some bin_vm_ops errors
kobject: don't block for each kobject_uevent
sysfs: only allow one scheduled removal callback per kobj
Driver core: Fix device_move() vs. dpm list ordering, v2
Driver core: some cleanup on drivers/base/sys.c
Driver core: implement uevent suppress in kobject
vcs: hook sysfs devices into object lifetime instead of "binding"
driver core: fix passing platform_data
driver core: move platform_data into platform_device
sysfs: don't block indefinitely for unmapped files.
driver core: move knode_bus into private structure
driver core: move knode_driver into private structure
driver core: move klist_children into private structure
driver core: create a private portion of struct device
driver core: remove polling for driver_probe_done(v5)
sysfs: reference sysfs_dirent from sysfs inodes
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Fixed conflicts in drivers/sh/maple/maple.c manually
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (53 commits)
ide: use try_to_identify() in ide_driveid_update()
ide: clear drive IRQ after re-enabling local IRQs in ide_driveid_update()
ide: sanitize SELECT_MASK() usage in ide_driveid_update()
ide: classify device type in do_probe()
ide: remove broken EXABYTENEST support
ide: shorten timeout value in ide_driveid_update()
ide: propagate AltStatus workarounds to ide_driveid_update()
ide: fix kmalloc() failure handling in ide_driveid_update()
mn10300: remove <asm/ide.h>
frv: remove <asm/ide.h>
ide: remove pciirq argument from ide_pci_setup_ports()
ide: fix ->init_chipset method to return 'int' value
ide: remove try_to_identify() wrapper
ide: remove no longer needed IRQ auto-probing from try_to_identify() (v2)
ide: remove no longer needed IRQ fallback code from hwif_init()
amd74xx: remove no longer needed ->init_hwif method
ide: remove no longer needed IDE_HFLAG[_FORCE]_LEGACY_IRQS
ide: use ide_pci_is_in_compatibility_mode() in ide_pci_init_{one,two}()
ide: use pci_get_legacy_ide_irq() in ide_pci_init_{one,two}()
ide: handle IDE_HFLAG[_FORCE]_LEGACY_IRQS in ide_pci_init_{one,two}()
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (96 commits)
sh: add support for SMSC Polaris platform
sh: fix the HD64461 level-triggered interrupts handling
sh: sh-rtc wakeup support
sh: sh-rtc invalid time rework
sh: sh-rtc carry interrupt rework
sh: disallow kexec virtual entry
sh: kexec jump: fix for ftrace.
sh: kexec: Drop SR.BL bit toggling.
sh: add kexec jump support
sh: rework kexec segment code
sh: simplify kexec vbr code
sh: Flush only the needed range when unmapping a VMA.
sh: Update debugfs ASID dumping for 16-bit ASID support.
sh: tlb-pteaex: Kill off legacy PTEA updates.
sh: Support for extended ASIDs on PTEAEX-capable SH-X3 cores.
sh: sh7763rdp: Change IRQ number for sh_eth of sh7763rdp
sh: espt-giga board support
sh: dma: Make G2 DMA configurable.
sh: dma: Make PVR2 DMA configurable.
sh: Move IRQ multi definition of DMAC to defconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (430 commits)
ALSA: hda - Add quirk for Acer Ferrari 5000
ALSA: hda - Use cached calls to get widget caps and pin caps
ALSA: hda - Don't create empty/single-item input source
ALSA: hda - Fix the wrong pin-cap check in patch_realtek.c
ALSA: hda - Cache pin-cap values
ALSA: hda - Avoid output amp manipulation to digital mic pins
ALSA: hda - Add function id to proc output
ALSA: pcm - Safer boundary checks
ALSA: hda - Detect digital-mic inputs on ALC663 / ALC272
ALSA: sound/ali5451: typo: s/resouces/resources/
ALSA: hda - Don't show the current connection for power widgets
ALSA: Fix wrong pointer to dev_err() in arm/pxa2xx-ac97-lib.c
ASoC: Declare Headset as Mic and Headphone widgets for SDP3430
ASoC: OMAP: N810: Add more jack functions
ASoC: OMAP: N810: Mark not connected input pins
ASoC: Add FLL support for WM8400
ALSA: hda - Don't reset stream at each prepare callback
ALSA: hda - Don't reset BDL unnecessarily
ALSA: pcm - Fix delta calculation at boundary overlap
ALSA: pcm - Reset invalid position even without debug option
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (29 commits)
crypto: sha512-s390 - Add missing block size
hwrng: timeriomem - Breaks an allyesconfig build on s390:
nlattr: Fix build error with NET off
crypto: testmgr - add zlib test
crypto: zlib - New zlib crypto module, using pcomp
crypto: testmgr - Add support for the pcomp interface
crypto: compress - Add pcomp interface
netlink: Move netlink attribute parsing support to lib
crypto: Fix dead links
hwrng: timeriomem - New driver
crypto: chainiv - Use kcrypto_wq instead of keventd_wq
crypto: cryptd - Per-CPU thread implementation based on kcrypto_wq
crypto: api - Use dedicated workqueue for crypto subsystem
crypto: testmgr - Test skciphers with no IVs
crypto: aead - Avoid infinite loop when nivaead fails selftest
crypto: skcipher - Avoid infinite loop when cipher fails selftest
crypto: api - Fix crypto_alloc_tfm/create_create_tfm return convention
crypto: api - crypto_alg_mod_lookup either tested or untested
crypto: amcc - Add crypt4xx driver
crypto: ansi_cprng - Add maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: (35 commits)
[CPUFREQ] Prevent p4-clockmod from auto-binding to the ondemand governor.
[CPUFREQ] Make cpufreq-nforce2 less obnoxious
[CPUFREQ] p4-clockmod reports wrong frequency.
[CPUFREQ] powernow-k8: Use a common exit path.
[CPUFREQ] Change link order of x86 cpufreq modules
[CPUFREQ] conservative: remove 10x from def_sampling_rate
[CPUFREQ] conservative: fixup governor to function more like ondemand logic
[CPUFREQ] conservative: fix dbs_cpufreq_notifier so freq is not locked
[CPUFREQ] conservative: amend author's email address
[CPUFREQ] Use swap() in longhaul.c
[CPUFREQ] checkpatch cleanups for acpi-cpufreq
[CPUFREQ] powernow-k8: Only print error message once, not per core.
[CPUFREQ] ondemand/conservative: sanitize sampling_rate restrictions
[CPUFREQ] ondemand/conservative: deprecate sampling_rate{min,max}
[CPUFREQ] powernow-k8: Always compile powernow-k8 driver with ACPI support
[CPUFREQ] Introduce /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_transition_latency
[CPUFREQ] checkpatch cleanups for powernow-k8
[CPUFREQ] checkpatch cleanups for ondemand governor.
[CPUFREQ] checkpatch cleanups for powernow-k7
[CPUFREQ] checkpatch cleanups for speedstep related drivers.
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Change the start function in preparation of the generic watchdog code.
Also make sure that locking of the start function is OK.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Convert the Intel 6300ESB watchdog timer to a platform device driver.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Change the wdt.c watchdog driver so that the code is the same for
both the WDT500 as the WDT501-P card. The selection of the card
is now being done via the module parameter: 'type' instead of the
config option CONFIG_WDT_501.
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Fix following includes:
* #include <asm/io.h> should be #include <linux/io.h>
* #include <asm/uaccess.h> should be #include <linux/uaccess.h>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Some more cleaning-up of the watchdog drivers.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Fix following warnings:
WARNING: struct file_operations should normally be const
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This brings the cpwd.c watchdog driver in line with the kernel's coding style.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add the PCI-ID for the upcoming new BMC controller for HP hardware.
Signed-off-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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This set of patches introduces calls to the following set of functions:
usb_endpoint_dir_in(epd)
usb_endpoint_dir_out(epd)
usb_endpoint_is_bulk_in(epd)
usb_endpoint_is_bulk_out(epd)
usb_endpoint_is_int_in(epd)
usb_endpoint_is_int_out(epd)
usb_endpoint_num(epd)
usb_endpoint_type(epd)
usb_endpoint_xfer_bulk(epd)
usb_endpoint_xfer_control(epd)
usb_endpoint_xfer_int(epd)
usb_endpoint_xfer_isoc(epd)
In some cases, introducing one of these functions is not possible, and it
just replaces an explicit integer value by one of the following constants:
USB_ENDPOINT_XFER_BULK
USB_ENDPOINT_XFER_CONTROL
USB_ENDPOINT_XFER_INT
USB_ENDPOINT_XFER_ISOC
An extract of the semantic patch that makes these changes is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r1@ struct usb_endpoint_descriptor *epd; @@
- ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) ==
- \(USB_ENDPOINT_XFER_CONTROL\|0\))
+ usb_endpoint_xfer_control(epd)
@r5@ struct usb_endpoint_descriptor *epd; @@
- ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) ==
- \(USB_DIR_IN\|0x80\))
+ usb_endpoint_dir_in(epd)
@inc@
@@
#include <linux/usb.h>
@depends on !inc && (r1||r5)@
@@
+ #include <linux/usb.h>
#include <linux/usb/...>
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The orion5x-wdt driver is now registered as a platform device and
receives the tclk value as platform data. This fixes a compile issue
cause by a previously removed define "ORION5X_TCLK".
Signed-off-by: Thomas Reitmayr <treitmayr@devbase.at>
Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Kristof Provost <kristof@sigsegv.be>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Martin Michlmayr <tbm@cyrius.com>
Cc: Sylver Bruneau <sylver.bruneau@googlemail.com>
Cc: Kunihiko IMAI <bak@d2.dion.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Make sure that the watchdog is not running after loading
and before it is started by opening /dev/watchdog.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add spin_locks to prevent races.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Add shutdown method to the platform driver.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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The WDT timer ticks quite fast (half of the CPU clock speed, which may
be between 198MHz and 330MHz (or 400MHz on newer boards)). Given it's
size of 32Bit, the maximum timeout value ranges from about 21s to 43s,
depending on the configured CPU clock speed.
This patch add's the timeout module parameter and checks that it's not
bigger then the maximum timeout for the given clock speed.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Clean-up the rc32434 driver code:
- name the platform driver rc32434_wdt_driver
- Replace KBUILD_MODNAME ": " with PFX define.
- Cleanup include files
- Order the ioctl's
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Remove davinci platform-specific IO accessor macros in favor
of standard ioremap + io[read|write]* functions.
Also, convert printk(KERN_ERR ....) into dev_err(...)
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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I noticed the W83697UG driver tries to register a watchdog even though
it already noticed the chip isn't there.
WDT driver for the Winbond(TM) W83697UG/UF Super I/O chip initialising.
w83697ug/uf WDT: No W83697UG/UF could be found
w83697ug/uf WDT: Watchdog already running. Resetting timeout to 60 sec
w83697ug/uf WDT: cannot register miscdev on minor=130 (err=-16)
Patch propagates the error back to wdt_init().
Signed-off-by: Eric Lammerts <eric@lammerts.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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Switch to unlocked_ioctl
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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'mlx4', 'mthca', 'nes' and 'sysfs' into for-next
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The cxgb3 NIC driver can handle more firmware versions than iw_cxgb3,
and since commit 8207befa ("cxgb3: untie strict FW matching") cxgb3
will load with firmware versions that iw_cxgb3 can't handle. The FW
major number indicates a specific interface between the FW and
iw_cxgb3. Thus if the major number of the running firmware does not
match the required version compiled into iw_cxgb3, then iw_cxgb3 must
not register that device.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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On a timeout call a device specific handler early in the recovery so that
we can complete and process successful commands which timed out due to IRQ
loss or the like rather more elegantly.
[Revised to exclude the timeout handling on a few devices that inherit from
SFF but are not SFF enough to use the default timeout handler]
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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If the device is signalling that there is data to drain after an error we
should read the bytes out and throw them away. Without this some devices
and controllers get wedged and don't recover.
Based on earlier work by Mark Lord
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Implement serialize and turn on slave channel
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Enable both ports on the 6210 and serialize them
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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ahci_transmit_led_message saves off the led_state
with a value that includes the port number OR'd
in, this incorrect value maybe reported back
in ahci_led_store.
For instance, if you turn off all the leds for
port 1 and cat the value back it will report 1
instead of 0.
# echo 0 > /sys/class/scsi_host/host1/em_message
# cat /sys/class/scsi_host/host1/em_message
1
Signed-off-by: David Milburn <dmilburn@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Make libata more robust when parsing the multi_count
field from a drive's identify data. This prevents us from
attempting to use dubious multi_count values ad infinitum.
Reset dev->multi_count to zero and reprobe it each time
through this routine, as it can change on device reset.
Also ensure that the reported "maximum" value is valid
and is a power of two, and that the reported "count" value
is valid and also a power of two. And that the "count"
value is not greater than the "maximum" value.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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For Marvell SoC chips, the HDD LED does not blink when there is
disk I/O if NCQ is enabled. Add a quirk that enables blink mode for
the LED while NCQ is enabled on any port of a SoC host controller.
Normal LED function is restored when NCQ is not enabled on any port.
The code to enable the blink mode is based on earlier code
and suggestions from Frans Pop, Saeed Bishara, and possibly others.
Signed-off-by: Mark Lord <mlord@pobox.com>
Tested-by: Frans Pop <elendil@planet.nl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Enable use of the "all ports" IRQ coalescing optimization
for GEN_II / GEN_IIE chips that have dual host-controllers (8-ports).
Currently only the 6081 chip qualifies, but other chips may come along someday.
Rather than each half of the chip having to satisfy a local set of coalescing thresholds,
use of this feature groups all ports together under a single set of thresholds.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add IRQ coalescing to sata_mv (off by default).
This feature can reduce total interrupt overhead for RAID setups
in some situations, by deferring the interrupt signal until one or both of:
a) a specified io_count (completed SATA commands) is achieved, or
b) a specified time interval elapses after an IO completion.
For now, module parameters are used to set the irq_coalescing_io_count
and irq_coalescing_usecs (timeout) globally. These may eventually
be supplemented with sysfs attributes, so that thresholds can be set
on-the-fly and on a per-chip (or even per-host_controller) basis.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Various cosmetic changes in preparation for the IRQ coalescing feature.
Note that the various MV_IRQ_COAL_* definitions are restored/renamed
in the folloup patch which adds IRQ coalescing to the driver.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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platform_get_irq() can return -ENXIO, but since 'irq' is an
unsigned int, it does not show when the IRQ resource wasn't found.
Make irq an int so that we can use a single variable to test the
platform_get_irq() return value.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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According to Alan:
>and yes the EFAR does UDMA66.
mwdma:
>Yep - wrong comment. The EFAR is a sort of clone of the PIIX and I
>copied the comment while EFAR don't appear to have copied the
>limitation
Signed-off-by: Erik Inge Bolsø <knan-lkml@anduin.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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As noted by Alan:
>Your suspicions are correct here btw - the device can only do MWDMA1 and
>MWDMA2 (much like some PIIX devices)
Signed-off-by: Erik Inge Bolsø <knan-lkml@anduin.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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No functional changes in this patch.
Signed-off-by: Erik Inge Bolsø <knan-lkml@anduin.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Blacklist HP Compaq 6720s so that it doesn't play a "spin down,
spin up, spin down" ping-pong with the hard disk during system
power off.
Signed-off-by: Maciej Rutecki <maciej.rutecki@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This is initially needed to work around NCQ errata,
whereby the READ_LOG_EXT command sometimes fails
when issued in the traditional (sff) fashion.
Portions of this code will likely be reused for
implementation of the target mode feature later on.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This is necessary for use with the upcoming "mv_qc_issue_fis()" patch,
but is being added separately here for easier code review.
When using command issue via the "mv_qc_issue_fis()" mechanism,
the initial ATA_BUSY bit does not show in the ATA status (shadow) register.
This can confuse libata! So here we add a hook to fake ATA_BUSY
for that situation, until the first time a BUSY, DRQ, or ERR bit is seen.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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so that it doesn't miss any protocols. Handle future cases where a
qc is specially marked for polled issue or where a particular chip
version prefers interrupts over polling for PIO.
This mimics the polling decision logic from ata_sff_qc_issue().
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This also gets rid of any need for mv_mode_filter().
Using basic DMA on GEN_IIE requires setting an undocumented
bit in an undocumented register. For safety, we clear that
bit again when switching back to EDMA mode.
To avoid a performance penalty when switching modes,
we cache the register in port_priv, as already done for other regs.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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