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Some platform devices are driven without driver attached, so managed
resources can be acquired without driver attached. Make sure such
resources are released by calling devres_release_all() in
device_del().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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host->ops->host_stop() might access ports. Free ports after
host_stop.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Commit 721449bf0d51213fe3abf0ac3e3561ef9ea7827a added support for using the
ADMA notifier bits to determine which commands to check for completion.
However there have been reports that this causes command timeouts in certain
cases. This is still being investigated. In addition, apparently the notifiers
won't work if ADMA is disabled on the other port as a result of an ATAPI device
being connected, and we don't handle this case properly.
For now, just restore the previous behavior of checking all active commands
to see if they are complete, without relying on the notifiers.
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Recently I got my hands on nVidia's MCP61 PM-AM board, and
it contains IDE chip configured by BIOS with only primary
channel enabled. This confuses code which probes for
device DMA capabilities - it gets 0x60 (happy duplex
device) from primary channel BMDMA, but 0xFF (nobody here)
from secondary channel BMDMA. Due to this code then believes
that chip is simplex. I do not address this problem in
my patch, as I'm not sure how to handle this. Probably
ata_pci_init_one should have bitmap of enabled/possible
interfaces instead of their count, but it looks like
quite intrusive change, and maybe we do not care - for device
with only one channel simplex and regular DMA engines are
same.
But making device simplex pointed out that support for
DMA on simplex devices is currently broken - ata_dev_xfermask
tests whether device is simplex and if it is whether DMA
engine was assigned to this port. If not then it strips
out DMA bits from device. Problem is that code which assigns
DMA engine to port in ata_set_mode first detect device
mode and assigns DMA engine to channel only if some DMA
capable device was found.
And as xfermask stripped out DMA bits, host->simplex_claimed
is always NULL with current implementation.
By allowing DMA either if simplex_claimed is NULL or if it
points to current port DMA can be finally used - it gets
assigned to first port which contains any DMA capable
device.
Before:
pata_amd 0000:00:06.0: version 0.2.8
PCI: Setting latency timer of device 0000:00:06.0 to 64
ata5: PATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001f000 irq 14
ata6: PATA max UDMA/133 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001f008 irq 15
scsi4 : pata_amd
ata5.00: ATAPI, max UDMA/66
ata5.00: simplex DMA is claimed by other device, disabling DMA
ata5.00: configured for PIO4
scsi5 : pata_amd
ata6: port disabled. ignoring.
ata6: reset failed, giving up
scsi 4:0:0:0: CD-ROM ATAPI DVD W DH16W1P LG12 PQ: 0 ANSI: 5
After:
pata_amd 0000:00:06.0: version 0.2.8
PCI: Setting latency timer of device 0000:00:06.0 to 64
ata5: PATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001f000 irq 14
ata6: PATA max UDMA/133 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001f008 irq 15
scsi4 : pata_amd
ata5.00: ATAPI, max UDMA/66
ata5.00: configured for UDMA/33
scsi5 : pata_amd
ata6: port disabled. ignoring.
ata6: reset failed, giving up
scsi 4:0:0:0: CD-ROM ATAPI DVD W DH16W1P LG12 PQ: 0 ANSI: 5
Signed-off-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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A while ago I modified the libata code so that drivers can return -ENOENT
for unknown ports not fiddle with the EH flags and print stuff directly.
Somewhere along the line ata_piix didn't get fully converted.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
IPoIB: Turn on interface's carrier after broadcast group is joined
RDMA/ucma: Avoid sending reject if backlog is full
RDMA/cxgb3: Fix MR permission problems
RDMA/cxgb3: Don't reuse skbs that are non-linear or cloned
RDMA/cxgb3: Squelch logging AE errors
RDMA/cxgb3: Stop EP timer when MPA exchange is aborted by peer
RDMA/cxgb3: Move QP to error on destroy if the state is IDLE
RDMA/cxgb3: Fixes for "normal close" failures
RDMA/cxgb3: Fix build on sparc64
RDMA/cma: Initialize rdma_bind_list in cma_alloc_any_port()
RDMA/cxgb3: Don't use mm after it's freed in iwch_mmap()
RDMA/cxgb3: Start ep timer on a MPA reject
IB/mthca: Fix error path in mthca_alloc_memfree()
IB/ehca: Fix sync between completion handler and destroy cq
IPoIB: Only handle async events for one port
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Do netif_carrier_on() right after the IPv4 broadcast multicast group
is joined, rather than waiting for all of the initial set of multicast
group joins to finish. This allows at least IPv4 traffic to limp
along on broken fabrics where not all multicast groups can be joined.
Signed-off-by: Shirley Ma <xma@us.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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For 2.6.20 it mostly used to just not work, for 2.6.21-rc it crashes, this
seems to be down to luck (bad or good). The libata-acpi code needs to
avoid doing PCI work on non-PCI devices. This is one hack although it's
not pretty and perhaps there is a "right" way to check if a struct device
* is PCI ?
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The sn console driver was snagged by the use of CONFIG_DEBUG_SHIRQ!
The request_irq() immediate call to the interrupt handler caused
another attempt to lock the port lock - deadlock.
This is a patch to fix that.
Signed-off-by: Patrick Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - another attempt to fix AUX delivery checks
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Do not assume that AUX_LOOP command is broken unless it
completes successfully but returns wrong (unexpected) data.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[BRIDGE]: adding new device to bridge should enable if up
[IPV6]: Do not set IF_READY if device is down
[IPSEC]: xfrm audit hook misplaced in pfkey_delete and xfrm_del_sa
[IPSEC]: Add xfrm policy change auditing to pfkey_spdget
[IPSEC]: xfrm_policy delete security check misplaced
[CONNECTOR]: Bugfix for cn_call_callback()
[DCCP]: Revert patch which disables bidirectional mode
[IPV6]: Handle np->opt being NULL in ipv6_getsockopt_sticky().
[UDP]: Reread uh pointer after pskb_trim
[NETFILTER]: nfnetlink_log: fix crash on bridged packet
[NETFILTER]: nfnetlink_log: zero-terminate prefix
[NETFILTER]: nf_conntrack_ipv6: fix incorrect classification of IPv6 fragments as ESTABLISHED
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o Fix use of uninitialized variable sec.
o Make the RTC_ALM_SET ioctl return -EINVAL for non-zero seconds - the
DS1286 has no second field for the alarm time.
o Replace the obscure BIN_TO_BCD macro with BIN2BCD.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When system under heavy stress and must allocate new work
instead of reusing old one, new work must use correct
completion callback.
Patch is based on Philipp's and Lars' work.
I only cleaned small stuff (and removed spaces instead of tabs).
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[DCCP]: Set RTO for newly created child socket
[DCCP]: Correctly split CCID half connections
[NET]: Fix compat_sock_common_getsockopt typo.
[NET]: Revert incorrect accept queue backlog changes.
[INET]: twcal_jiffie should be unsigned long, not int
[GIANFAR]: Fix compile error in latest git
[PPPOE]: Use ifindex instead of device pointer in key lookups.
[NETFILTER]: ip6_route_me_harder should take into account mark
[NETFILTER]: nfnetlink_log: fix reference counting
[NETFILTER]: nfnetlink_log: fix module reference counting
[NETFILTER]: nfnetlink_log: fix possible NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix use after free
[NETFILTER]: nfnetlink_log: fix reference leak
[NETFILTER]: tcp conntrack: accept SYN|URG as valid
[NETFILTER]: nf_conntrack/nf_nat: fix incorrect config ifdefs
[NETFILTER]: conntrack: fix {nf,ip}_ct_iterate_cleanup endless loops
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: Call cancel_halt_clear even when actl == 0.
[S390] cio: Use path verification to check for path state.
[S390] cio: Fix locking when calling notify function.
[S390] Fixed handling of access register mode faults.
[S390] dasd: Use default recovery for SNSS requests
[S390] check_bugs() should be inline.
[S390] tape: Compression overwrites crypto setting
[S390] nss: disable kexec.
[S390] reipl: move dump_prefix_page out of text section.
[S390] smp: disable preemption in smp_call_function/smp_call_function_on
[S390] kprobes breaks BUG_ON
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_pdc202xx_old: fix data corruption and other problems
pata_legacy: fix io/irq mismatch
ahci: RAID mode SATA patch for Intel ICH9M
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Fix work queue code to support new model.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For the Freescale M5282 ColdFire,
Port UA Pin Assignment Register should set to UART mode.
Patch submitted by David Wu <davidwu@arcturusnetworks.com>.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The tlclk driver is going on the MPCBL005 so I need to make the Kconfig
more more generic. Just some text changes.
Signed-off-by: Mark Gross <mark.gross@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Based on a patch from Don Howard <dhoward@redhat.com>
When calling write() with a buffer larger than 512 bytes, the
driver's write buffer overflows, allowing to overwrite the EIP and
execute arbitrary code with kernel privileges.
In read(), there exists a similar problem, but coming from the device.
A malicous or buggy device sending more than 512 bytes can overflow
of the driver's read buffer, with the same effects as above.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid:
HID blacklisting of all Code Mercenaries IOWarrior devices
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
sdhci: release irq during suspend
sdhci: make isr tolerant of read errors
mmc: require explicit support for high-speed
ncpfs: make sure server connection survives a kill
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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:
sis900 warning fixes
mv643xx_eth: Place explicit port number in mv643xx_eth_platform_data
pcnet32: Fix PCnet32 performance bug on non-coherent architecutres
__devinit & __devexit cleanups for de2104x driver
3c59x: Handle pci_enable_device() failure while resuming
dmfe: Fix link detection
dmfe: fix two bugs
dmfe: trivial/spelling fixes
revert "drivers/net/tulip/dmfe: support basic carrier detection"
ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
ucc_geth: Fix BD processing
natsemi: netpoll fixes
bonding: Improve IGMP join processing
bonding: only receive ARPs for us
bonding: fix double dev_add_pack
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Change the returned error code to ENOMEM if the connection event
backlog is full. This prevents the ib_cm from issuing a reject
on the connection, which can allow retries to succeed.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Fix memory region permission problems:
- remove useless and redundant iwch_mem_perms enum.
- create ib_to_tpt_access_rights() for mapping ib access rights
to T3 TPT permissions.
- create ib_to_mwbind_access_rights() for mapping ib access rights
to T3 MWBIND WR permissions.
- fix up the mem reg code to utilize the new functions.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Only print one AE error for a given connection in the kernel log.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Stop the endpoint timer when the MPA exchange is aborted by the peer.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Change iwch_destroy_qp() to always move the QP to ERROR and let
iwch_modify_qp() decide what to do.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Fixes for "normal close" failures:
- Start normal close timer when moving to CLOSING state.
- Handle ABORTING state in close_con_rpl().
- Stop timer correctly on abort during a normal close.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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cxgb3 uses dma_alloc_coherent() et al. thus needs linux/dma-mapping.h
include in order to build reliably.
Noticed on sparc64.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The struct rdma_bind_list fields for hlist are not being initialized,
resulting in a corrupted list. Fix this by using kzalloc() to make
sure all pointers are NULL.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If the consumer rejects the connection we end up under-referencing the
endpoint structure. The fix is to call iwch_ep_disconnect() instead
of the low level disconnect functions so that the endpoint close timer
is started correctly.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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initramfs ended up depending on BLOCK:
INITRAMFS_SOURCE <-- BLK_DEV_INITRD <-- BLOCK
This inhibits use of customized-initramfs-over-ramfs without block layer
(ramfs would still be enabled), useful in embedded applications.
Move BLK_DEV_INITRD out of 'drivers/block/Kconfig' and into 'init/Kconfig',
make it unconditional.
Signed-off-by: Dimitri Gorokhovik <dimitri.gorokhovik@free.fr>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds support for the struct pci_driver shutdown method to cciss.
We require notification of an impending reboot or shutdown so that we can
flush the battery backed write cache (BBWC) on the Smart Array controller.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch changes the way we determine if a logical volume is larger than
2TB.
The original test looked for a total_size of 0. Originally we added 1 to the
total_size. That would make our read_capacity return size 0 for >2TB lv's.
We assumed that we could not have a lv size of 0 so it seemed OK until we were
in a clustered system. The backup node would see a size of 0 due to the
reservation on the drive. That caused the driver to switch to 16-byte CDB's
which are not supported on older controllers. After that everything was
broken.
It may seem petty but I don't see the value in trying to determine if the LBA
is beyond the 2TB boundary. That's why when we switch we use 16-byte CDB's
for all read/write operations. Please consider this for inclusion.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following error if FB_DDC=n
Kernel: arch/x86_64/boot/bzImage is ready (#1)
Building modules, stage 2.
MODPOST 229 modules
WARNING: "fb_ddc_read" [drivers/video/nvidia/nvidiafb.ko] undefined!
make[1]: *** [__modpost] Error 1
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix implicit declarations and missing code in atyfb.
drivers/video/aty/atyfb_base.c:2137: warning: implicit declaration of function 'a
ty_ld_lcd'
drivers/video/aty/atyfb_base.c:2154: warning: implicit declaration of function 'a
ty_st_lcd'
atyfb_base.c:(.text+0x33e5c): undefined reference to `aty_ld_lcd'
atyfb_base.c:(.text+0x33eb2): undefined reference to `aty_st_lcd'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/video/nvidia/nv_backlight.c: In function 'nvidia_bl_init':
drivers/video/nvidia/nv_backlight.c:103: error: implicit declaration of function 'pmac_has_backlight_type'
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Release the device's irq during sleep, as all well-behaved drivers
should.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The interrupt is shared with another device, which resumes earlier than the
sdhci controller, and generates an interrupt.
The sdhci interrupt handler runs, sees 0xffffffff in its own device's
interrupt status, and tries to handle it.. The reason for the 0xffffffff
is that the device is still suspended, and *all* regs are reading back
0xffffffff.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The new high-speed timings are similar to each other and the old
system, but not identical. And although things "just work" most of
the time, sometimes it does not. So we need to start marking which
hosts are known to fully comply with the new timings.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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drivers/net/sis900.c: In function 'sis900_reset_phy':
drivers/net/sis900.c:972: warning: 'status' may be used uninitialized in this function
drivers/net/sis900.c: In function 'sis900_check_mode':
drivers/net/sis900.c:1431: warning: 'status' may be used uninitialized in this function
drivers/net/sis900.c: In function 'sis900_timer':
drivers/net/sis900.c:1467: warning: 'status' may be used uninitialized in this function
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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We were using the platform_device.id field to identify which ethernet
port is used for mv643xx_eth device. This is not generally correct.
It will be incorrect, for example, if a hardware platform uses a single
port but not the first port. Here, we add an explicit port_number field
to struct mv643xx_eth_platform_data.
This makes the mv643xx_eth_platform_data structure required, but that
isn't an issue since all users currently provide it already.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The PCnet32 driver always passed the the size of the largest possible packet
to the pci_dma_sync_single_for_cpu and pci_dma_sync_single_for_device.
This results in a fairly large "colateral damage" in the caches and makes
the flush operation itself much slower. On a system with a 40MHz CPU this
patch increases network bandwidth by about 12%.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Don Fry <pcnet32@verizon.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fixes MODPOST warnings similar to:
WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to
.init.text:de_init_one from .data.rel.local after 'de_driver' (at offset 0x20)
WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to
.exit.text:de_remove_one from .data.rel.local after 'de_driver' (at offset 0x28)
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Handle pci_enable_device() failure while resuming, we can safely exit here.
Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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