| Commit message (Collapse) | Author | Age |
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The less tested codepaths for LED handling, used on ThinkPads 570, 600e/x,
770e, 770x, A21e, A2xm/p, T20-22, X20 and maybe a few others, would write
data to kernel memory it had no business touching, for leds number 3 and
above. If one is lucky, that illegal write would cause an OOPS, but
chances are it would silently corrupt a byte.
The problem was introduced in commit af116101, "ACPI: thinkpad-acpi: add
sysfs led class support to thinkpad leds (v3.2)".
Fix the bug by refactoring the entire code to be far more obvious on what
it wants to do. Also do some defensive "constification".
Issue reported by Karol Lewandowski <lmctlx@gmail.com> (he's an lucky guy
and got an OOPS instead of silent corruption :-) ).
Root cause of the OOPS identified by Adrian Bunk <bunk@kernel.org>.
Thanks, Adrian!
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Tested-by: Karol Lewandowski <lmctlx@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rework some subdriver init and exit handlers, in order to fix some
initialization error paths that were missing, or broken.
Hitting those bugs should be extremely rare in the real world, but should
that happen, thinkpad-acpi would fail to dealocate some resources and a
reboot might well be needed to be able to load the driver again.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rename SW_RADIO to SW_RFKILL_ALL in thinkpad-acpi code and docs, following
5adad0133907790c50283bf03271d920d6897043 "Input: rename SW_RADIO to
SW_RFKILL_ALL".
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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cpuidle and acpi driver interaction bug with the way cpuidle_register_driver()
is called. Due to this bug, there will be oops on
AC<->DC on some systems, where they support C-states in one DC and not in AC.
The current code does
ON BOOT:
Look at CST and other C-state info to see whether more than C1 is
supported. If it is, then acpi processor_idle does a
cpuidle_register_driver() call, which internally enables the device.
ON CST change notification (AC<->DC) and on suspend-resume:
acpi driver temporarily disables device, updates the device with
any new C-states, and reenables the device.
The problem is is on boot, there are no C2, C3 states supported and we skip
the register. Later on AC<->DC, we may get a CST notification and we try
to reevaluate CST and enabled the device, without actually registering it.
This causes breakage as we try to create /sys fs sub directory, without the
parent directory which is created at register time.
Thanks to Sanjeev for reporting the problem here.
http://bugzilla.kernel.org/show_bug.cgi?id=10394
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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The Fixed_RTC event should be disabled when installing RTC handler.
Only when RTC alarm is set will it be enabled again. If it is not
disabled, maybe some machines will be powered on automatically after
the system is shutdown even when the RTC alarm is not set.
http://bugzilla.kernel.org/show_bug.cgi?id=10010
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
KVM: MMU: Fix is_empty_shadow_page() check
KVM: MMU: Fix printk() format string
KVM: IOAPIC: only set remote_irr if interrupt was injected
KVM: MMU: reschedule during shadow teardown
KVM: VMX: Clear CR4.VMXE in hardware_disable
KVM: migrate PIT timer
KVM: ppc: Report bad GFNs
KVM: ppc: Use a read lock around MMU operations, and release it on error
KVM: ppc: Remove unmatched kunmap() call
KVM: ppc: add lwzx/stwz emulation
KVM: ppc: Remove duplicate function
KVM: s390: Fix race condition in kvm_s390_handle_wait
KVM: s390: Send program check on access error
KVM: s390: fix interrupt delivery
KVM: s390: handle machine checks when guest is running
KVM: s390: fix locking order problem in enable_sie
KVM: s390: use yield instead of schedule to implement diag 0x44
KVM: x86 emulator: fix hypercall return value on AMD
KVM: ia64: fix zero extending for mmio ld1/2/4 emulation in KVM
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The low-level interrupt handler on s390 checks for _TIF_WORK_INT and
exits the guest context, if work is pending.
TIF_WORK_INT is defined as_TIF_SIGPENDING | _TIF_NEED_RESCHED |
_TIF_MCCK_PENDING. Currently the sie loop checks for signals and
reschedule, but it does not check for machine checks. That means that
we exit the guest context if a machine check is pending, but we do not
handle the machine check.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
CC: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits)
net: Fix routing tables with id > 255 for legacy software
sky2: Hold RTNL while calling dev_close()
s2io iomem annotations
atl1: fix suspend regression
qeth: start dev queue after tx drop error
qeth: Prepare-function to call s390dbf was wrong
qeth: reduce number of kernel messages
qeth: Use ccw_device_get_id().
qeth: layer 3 Oops in ip event handler
virtio: use callback on empty in virtio_net
virtio: virtio_net free transmit skbs in a timer
virtio: Fix typo in virtio_net_hdr comments
virtio_net: Fix skb->csum_start computation
ehea: set mac address fix
sfc: Recover from RX queue flush failure
add missing lance_* exports
ixgbe: fix typo
forcedeth: msi interrupts
ipsec: pfkey should ignore events when no listeners
pppoe: Unshare skb before anything else
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
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dev_close() must be called holding the RTNL.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Using vendor magic to force the PHY into power save mode breaks
suspend. It isn't needed anyway, so remove it.
Tested-by: Avuton Olrich <avuton@gmail.com>
Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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In case the xmit function drop out with an error, we have to wake
the netdevice queue to start another xmit.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Prepare-function to call s390dbf was wrong handling variable arguments.
This worked as macro but not as function any more.
Now using va_list processing.
Signed-off-by: Peter Tiedemann <ptiedem@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Remove unnecessary messages. Write important debug information to
s390dbf.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Get the devno from the ccw device via ccw_device_get_id() instead
of parsing the bus_id.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The ip event handler may present us non qeth network interfaces.
Add qeth card pointer check.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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virtio_net uses a timer to free old transmitted packets, rather than
leaving callbacks enabled all the time. If the host promises to
always notify us when the transmit ring is empty, we can free packets
at that point and avoid the timer.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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virtio_net currently only frees old transmit skbs just
before queueing new ones. If the queue is full, it then
enables interrupts and waits for notification that more
work has been performed.
However, a side-effect of this scheme is that there are
always xmit skbs left dangling when no new packets are
sent, against the Documentation/networking/driver.txt
guideline:
"... it is not allowed for your TX mitigation scheme
to let TX packets "hang out" in the TX ring unreclaimed
forever if no new TX packets are sent."
Add a timer to ensure that any time we queue new TX
skbs, we will shortly free them again.
This fixes an easily reproduced hang at shutdown where
iptables attempts to unload nf_conntrack and nf_conntrack
waits for an skb it is tracking to be freed, but virtio_net
never frees it.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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hdr->csum_start is the offset from the start of the ethernet
header to the transport layer checksum field. skb->csum_start
is the offset from skb->head.
skb_partial_csum_set() assumes that skb->data points to the
ethernet header - i.e. it computes skb->csum_start by adding
the headroom to hdr->csum_start.
Since eth_type_trans() skb_pull()s the ethernet header,
skb_partial_csum_set() should be called before
eth_type_trans().
(Without this patch, GSO packets from a guest to the world outside the
host are corrupted).
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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eHEA has to call firmware functions in order to change the mac address
of a logical port. This patch checks if the logical port is up
when calling the register / deregister mac address calls. If the port
is down these firmware calls would fail and are therefore not executed.
Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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RX queue flush can fail if traffic continues to arrive. Recover by
performing an invisible reset.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch fixes the following build error:
<-- snip -->
...
Building modules, stage 2.
MODPOST 1203 modules
ERROR: "lance_open" [drivers/net/mvme147.ko] undefined!
ERROR: "lance_close" [drivers/net/mvme147.ko] undefined!
ERROR: "lance_tx_timeout" [drivers/net/mvme147.ko] undefined!
ERROR: "lance_set_multicast" [drivers/net/mvme147.ko] undefined!
ERROR: "lance_start_xmit" [drivers/net/mvme147.ko] undefined!
...
make[2]: *** [__modpost] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Define names were accidently transposed.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add a workaround for lost MSI interrupts. There is a race condition in
the HW in which future interrupts could be missed. The workaround is to
toggle the MSI irq mask.
Added cleanup based on comments from Andrew Morton.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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We need to unshare the skb first as otherwise pskb_may_pull may
write to a shared skb which could be bad.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The length field in the PPPOE header wasn't checked completely.
This patch causes all packets shorter than the declared length
to be dropped.
It also changes the memcpy_toiovec call to skb_copy_datagram_iovec
so that paged packets (rare for PPPOE) are handled properly.
Thanks to Ilja of the Netric Security Team for discovering and
reporting this bug, and Chris Wright for the total_len check.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. creating proc entry and not saving pointer to PDE and checking it
is not going to work.
2. if proc entry wasn't created, no reason to remove it on error path.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KERNEL_OFFSET macro in eni.h is not required as it is not used anywhere.
Remove the unused macro from eni.h header file.
Signed-off-by: Pradeep Singh <rautelap@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a potential memory corruption in
pppol2tp_recvmsg(). If skb->len is bigger than the caller's buffer
length, memcpy_toiovec() will go into unintialized data on the kernel
heap, interpret it as an iovec and start modifying memory.
The fix is to change the memcpy_toiovec() call to
skb_copy_datagram_iovec() so that paged packets (rare for PPPOL2TP)
are handled properly. Also check that the caller's buffer is big
enough for the data and set the MSG_TRUNC flag if it is not so.
Reported-by: Ilja <ilja@netric.org>
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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-tip testing found the following build error:
drivers/built-in.o: In function `mcs_receive_irq':
mcs7780.c:(.text+0x4e429): undefined reference to `crc32_le'
drivers/built-in.o: In function `mcs_hard_xmit':
mcs7780.c:(.text+0x4e9af): undefined reference to `crc32_le'
with:
http://redhat.com/~mingo/misc/config-Sun_Jun__8_22_56_14_CEST_2008.bad
the reason is a missing enablement of the CRC32 library in the Kconfig.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch increments the version to 3.92.1.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On 5761 non-e devices, two problems prevent the administrator from
overriding the WOL settings in the device's NVRAM.
The first problem is that GPIO 0 and GPIO 2 have been swapped. This
change prevented the administrator from turning on WOL when it is
disabled in NVRAM. The fix is to add a new path for the 5761 that
swaps the two GPIOs in the code as well.
The second problem is that GPIO 1 could not be toggled by the driver
because the GPIO is shared with the debug UART GPIO. This will prevent
the administrator from being able to turn WOL off if it was enabled in
NVRAM. The fix is to always disable the debug UART after a GRC reset.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a problem where the TG3_FLAG_10_100_ONLY flag was
testing against the wrong flags variable.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The git commit ef167e27039eeaea6d3cdd5c547b082e89840bdd entitled
"Fix supporting flowctrl code" introduced a bug that prevents 5714S,
5715S and 5780S devices from falling back to a forced link mode. The
problem is that the added flow control check will always fail if flow
control is set to autoneg and either RX or TX (or both) flow control
is enabled. The driver defaults to setting flow control to autoneg
and advertises both RX and TX flow control.
The fix is to remove the errant check.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix race between:
ieee80211_open->ieee80211_led_radio->led_trigger_event->led_set_brightness->iwl3945_led_brightness_set
(which assumes that "led->priv" is not NULL)
and
iwl3945_pci_probe->iwl3945_setup_deferred_work->(...)->iwl3945_bg_alive_start->iwl3945_alive_start->iwl3945_led_register->iwl3945_led_register_led
which sets priv field in struct iwl3945_led
after
led->led_dev.brightness_set = iwl3945_led_brightness_set;
(...)
led_classdev_register(device, &led->led_dev);
http://kerneloops.org/guilty.php?guilty=iwl3945_led_brightness_set&version=2.6.25-release&start=1671168&end=1703935&class=oops
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Zhu Yi <yi.zhu@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: linux-wireless@vger.kernel.org
Cc: ipw3945-devel@lists.sourceforge.net
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a data alignment issue in the zd1211rw driver.
The IEEE80211_STYPE_QOS_DATA bit should be used as a bitwise test
to test for the presence of the 2 byte QoS control field.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes an issus that made "iwconfig eth1 power on" non-working.
When we get a "PS sleep" event, we have to confirm this to the firmware.
The confirm happens with a command, but this command is special: the
firmware won't send us a response. if_cs_host_to_card() is setting
priv->dnld_sent anyway, so this variable stayed at DNLD_DATA_SENT and
was never cleared back.
Now I put the special knowledge that the CMD_802_11_PS_MODE with
CMD_SUBCMD_SLEEP_CONFIRMED doesn't need to need a response by directly
clearing the dnld_sent state in lbs_send_confirmsleep().
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When another scan is in progress, a direct scan gets dropped on the
floor. However, that direct scan is usually the scan that's really
needed by userspace, and gets stomped on by all the broadcast scans the
ipw2200 driver issues internally. Make sure the direct scan happens
eventually, and as a bonus ensure that the passive scan worker is
cleaned up when appropriate.
The change of request_passive_scan form a struct work to struct
delayed_work is only to make the set_wx_scan() code a bit simpler, it's
still only used with a delay of 0 to match previous behavior.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Cc: Jeff Garzik <jeff@garzik.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
fix BLK_DEV_HD_ONLY on ARM dependencies
ide: export ide_doubler
palm_bk3710: add warm-plug support
delkin_cb: add missing __init/__exit tags
delkin_cb: add warm-plug support
delkin_cb: use struct ide_port_info
delkin_cb: set proper hwif->gendev.parent value
ide: fix host drivers missing hwif->chipset initialization
ide-generic: add missing hwif->chipset setup
sis5513: add missing pci_enable_device() call
MAINTAINERS: remove SIS 5513 IDE entry
ide: remove the ide_etrax100 chipset type
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This patch limits BLK_DEV_HD_ONLY to the ARM platforms offering
IRQ_HARDDISK, fixing the following compile error on others:
<-- snip -->
...
CC drivers/ide/legacy/hd.o
...
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'hd_times_out':
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: 'IRQ_HARDDISK' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:542: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'do_hd_request':
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:661: error: 'IRQ_HARDDISK' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c: In function 'hd_init':
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/ide/legacy/hd.c:765: error: 'IRQ_HARDDISK' undeclared (first use in this function)
make[3]: *** [drivers/ide/legacy/hd.o] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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This patch fixes the following build error:
<-- snip -->
...
Building modules, stage 2.
MODPOST 1204 modules
ERROR: "ide_doubler" [drivers/ide/ide-core.ko] undefined!
...
make[2]: *** [__modpost] Error 1
<-- snip -->
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Don't fail the probe if there are no devices attached to the controller.
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Don't fail the probe if there are no devices attached to the controller.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Convert the driver to use struct ide_port_info - as a nice side-effect
this fixes racy setup of ->io_32bit/unmask settings (after ide_device_add()
call device can be already in use).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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hwif->dev was set too late (after ide_device_add() call)
so hwif->gendev.parent was not initialized properly.
Fix it by setting hw.dev and letting ide_init_port_hw()
do the rest.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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ide_find_port() now depends on ->chipset being set for occupied ide_hwifs[]
slots so all host drivers have to initialize hwif->chipset properly.
This patch fixes a regression on hosts with > 1 port or with a single port
but no devices attached to it for an affected host drivers.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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