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Conflicts:
drivers/acpi/sbs.c
Signed-off-by: Len Brown <len.brown@intel.com>
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Use mp_irqs[] to get PNP device's interrupt polarity and trigger.
There are two reasons to do this:
1. BIOS bug for PNP interrupt
2. BIOS explictly does override
mp_irqs[] should cover all the cases.
http://bugzilla.kernel.org/show_bug.cgi?id=5243
http://bugzilla.kernel.org/show_bug.cgi?id=7679
http://bugzilla.kernel.org/show_bug.cgi?id=9153
[lenb: fixed !IOAPIC and 64-bit !SMP builds]
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fix for http://bugzilla.kernel.org/show_bug.cgi?id=9355
cpuidle always used to fallback to C2 if there is some bm activity while
entering C3. But, presence of C2 is not always guaranteed. Change cpuidle
algorithm to detect a safe_state to fallback in case of bm_activity and
use that state instead of C2.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Port 2aa44d0567ed21b47b87d68819415d48194cb923
(sched: sched_clock_idle_[sleep|wakeup]_event()) to cpuidle.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Port 18eab8550397f1f3d4b8b2c5257c88dae25d58ed
(Enable C3 even when PM2_control is zero) to cpuidle.
Without this patch, some systems will notice a regression
when enabling CPU_IDLE -- C3 would no longer be available.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit 9cd8047b463f213c294f756119ac353312e7a152.
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Option to init EC early inserted to handle #8598 ASUS problem,
introduced several others.
EC driver in this particular case has fake _INI method, not present on
other machines, which don't need or break from this workaround, so lets use
its presence as a flag for early init.
http://bugzilla.kernel.org/show_bug.cgi?id=9262
http://bugzilla.kernel.org/show_bug.cgi?id=8598
https://bugzilla.novell.com/show_bug.cgi?id=334806
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit cbff2fbf55c21f50298b1aef1263b11bf510e35f.
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ACPI_PROCFS"
This reverts commit 6e800af233e0bdf108efb7bd23c11ea6fa34cdeb.
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Introduce new ACPI_PROCFS_POWER (default Yes) config option and move
procfs code in battery, ac, and sbs drivers under it.
This is done to allow ACPI_PROCFS to be default No.
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Some controllers fail to send confirmation GPE after address write.
Detect this and don't expect such confirmation in future.
This is a generalization of previous workaround
(66c5f4e7367b0085652931b2f3366de29e7ff5ec), which did only read address.
http://bugzilla.kernel.org/show_bug.cgi?id=9327
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Romano Giannetti <romano.giannetti@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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drivers/acpi/sbs.c: In function acpi_battery_add:
drivers/acpi/sbs.c:811: warning: ignoring return value of device_create_file,
declared with attribute warn_unused_result
Additional cleanups:
* use struct acpi_battery in acpi_battery_remove() to clean up function
calls, just like acpi_battery_add() already does.
* put braces around unregister call, as it depends on dev being not NULL.
* remove unneeded braces
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Fix up whitespace in conservative governor.
[CPUFREQ] Make cpufreq_conservative handle out-of-sync events properly
[CPUFREQ] architectural pstate driver for powernow-k8
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETFILTER]: Fix NULL pointer dereference in nf_nat_move_storage()
[SUNHME]: VLAN support for sunhme
[CHELSIO]: Fix skb->dev setting.
[NETFILTER]: fix compat_nf_sockopt typo
[INET]: Fix potential kfree on vmalloc-ed area of request_sock_queue
[VIA_VELOCITY]: Don't oops on MTU change.
iwl4965: fix not correctly dealing with hotunplug
rt2x00: Fix chipset revision validation
iwl3945: place CCK rates in front of OFDM for supported rates
mac80211: Fix queuing of scan containing a SSID
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This patch enables VLAN support on sunhme by increasing BMAC_TXMAX/BMAC_RXMAX
and allocating extra space via skb_put for the VLAN header.
Signed-off-by: Chris Poon <dev-null@telus.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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eth_type_trans() now sets skb->dev. Access skb->def after it gets
set.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
i2c/eeprom: Recognize VGN as a valid Sony Vaio name prefix
i2c/eeprom: Hide Sony Vaio serial numbers
i2c-pasemi: Fix NACK detection
i2c-pasemi: Replace obsolete "driverfs" reference with "sysfs"
i2c: Make i2c_check_addr static
i2c-dev: Unbound new-style i2c clients aren't busy
i2c-dev: "how does it work" comments
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Recent (i.e. 2005 and later) Sony Vaio laptops have names beginning
with VGN rather than PCG. Update the eeprom driver so that it
recognizes these.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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The sysfs interface to DMI data takes care to not make the system
serial number and UUID world-readable, presumably due to privacy
concerns. For consistency, we should not let the eeprom driver
export these same strings to the world on Sony Vaio laptops.
Instead, only make them readable by root, as we already do for BIOS
passwords.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Turns out we don't actually check the status to see if there was a
device out there to talk to, just if we had a timeout when doing so.
Add the proper check, so we don't falsly think there are devices
on the bus that are not there, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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i2c_check_addr is only used inside i2c-core now, so we can make it
static and stop exporting it. Thanks to David Brownell for noticing.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Let i2c-dev deal properly with new-style i2c clients. Instead of
considering them always busy, it needs to check wether a driver is
bound to them or not.
This is still not completely correct, as the client could become
busy later, but the same problem already existed before new-style
clients were introduced. We'll want to fix it someday.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
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This adds some "how does this work" comments to the i2c-dev driver,
plus separators between the three main components:
- The parallel list of i2c_adapters ("i2c_dev_list"), each of which
gets a "struct i2c_dev" and a /dev/i2c-X character special file.
- An i2cdev_driver gets adapter add/remove notifications, which are
used to maintain that list of adapters.
- Special file operations, which let userspace talk either directly to
the adapter (for i2c_msg operations) or through cached addressing info
using an anonymous i2c_client (never registered anywhere).
Plus there's the usual module load/unload record keeping.
After making sense of this code, I think that the anonymous i2c_client
is pretty shady. But since it's never registered, using this code with
a system set up for "new style" I2C drivers is no more complicated than
always using the I2C_SLAVE_FORCE ioctl (instead of I2C_SLAVE).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This reverts commit 7fb7ac241162dc51ec0f7644d4a97b2855213c32.
Heikki Orsila reports that it causes a regression:
"Doing
nc host port < /dev/zero
on a sending machine (not skge) to an skge machine that is receiving:
nc -l -p port >/dev/null
with ~60 MiB/s speed, causes the interface go malfunct. A slow
transfer doesn't cause a problem."
See
http://bugzilla.kernel.org/show_bug.cgi?id=9321
for some more information.
There is a workaround (also reported by Heikki):
"After some fiddling, I noticed that not changing the register write
order on patch:
+ skge_write32(hw, RB_ADDR(q, RB_END), end);
skge_write32(hw, RB_ADDR(q, RB_WP), start);
skge_write32(hw, RB_ADDR(q, RB_RP), start);
- skge_write32(hw, RB_ADDR(q, RB_END), end);
fixes the visible effect.. Possibly not the root cause of the
problem, but changing the order back fixes networking here."
but that has yet to be ack'ed or tested more widely, so the whole
problem-causing commit gets reverted until this is resolved properly.
Bisected-and-requested-by: Heikki Orsila <shdl@zakalwe.fi>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Simple mtu change when device is down.
Fix http://bugzilla.kernel.org/show_bug.cgi?id=9382.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
[CRYPTO] geode: Fix not inplace encryption
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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:
mlx4_core: Fix thinko in QP destroy (incorrect bitmap_free)
RDMA/cxgb3: Set the max_qp_init_rd_atom attribute in query_device
IB/ehca: Fix static rate calculation
IB/ehca: Return physical link information in query_port()
IB/ipath: Fix race with ACK retry timeout list management
IB/ipath: Fix memory leak in ipath_resize_cq() if copy_to_user() fails
mlx4_core: Fix possible bad free in mlx4_buf_free()
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET]: rt_check_expire() can take a long time, add a cond_resched()
[ISDN] sc: Really, really fix warning
[ISDN] sc: Fix sndpkt to have the correct number of arguments
[TCP] FRTO: Clear frto_highmark only after process_frto that uses it
[NET]: Remove notifier block from chain when register_netdevice_notifier fails
[FS_ENET]: Fix module build.
[TCP]: Make sure write_queue_from does not begin with NULL ptr
[TCP]: Fix size calculation in sk_stream_alloc_pskb
[S2IO]: Fixed memory leak when MSI-X vector allocation fails
[BONDING]: Fix resource use after free
[SYSCTL]: Fix warning for token-ring from sysctl checker
[NET] random : secure_tcp_sequence_number should not assume CONFIG_KTIME_SCALAR
[IWLWIFI]: Not correctly dealing with hotunplug.
[TCP] FRTO: Plug potential LOST-bit leak
[TCP] FRTO: Limit snd_cwnd if TCP was application limited
[E1000]: Fix schedule while atomic when called from mii-tool.
[NETX]: Fix build failure added by 2.6.24 statistics cleanup.
[EP93xx_ETH]: Build fix after 2.6.24 NAPI changes.
[PKT_SCHED]: Check subqueue status before calling hard_start_xmit
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Declare mac using DECLARE_MAC_BUF for use when calling print_mac().
This fixes compile error where mac was undeclared.
Also, remove unused variable i.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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New and improved serial driver for CRISv10, take three, with improvements
suggested by Jiri Slaby.
- Call wait_event_interruptible with a _correct_ and sensible condition.
- Removed superfluous test of info->flags & ASYNC_CLOSING, since that is done
by wait_event_interruptible.
- Moved common code for deregistering DMA and IRQ to deinit_port function.
- Use setup_timer when initializing flush_timer.
- Convert bit-field for uses_dma_in and uses_dma_out to regular bytes.
- Removed CVS tags.
- Removed defines and comments for CRIS_BUF_SIZE and TTY_THRESHOLD_THROTTLE
(no longer used).
- Cleaned up code to pass checkpatch.
- Add crisv10.h header file.
- Merge of CRISv10 from Axis internal CVS.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Reviewed-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix locking bug noted by Roel Kluin <12o3l@tiscali.nl>.
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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New (updated) version of ethernet driver for cris v10.
- First steps to simplify and make the MII code more similar
between the etrax100 and etraxfs ports.
- Start the transmit queue before enabling tx interrupts
to avoid race with the first frame.
- Flip the comparition statement to stick to physical addresses
to avoid phys_to_virt mapping a potential null pointer.
This was not an error but the change simplifies debugging
of address-space mappings.
- Made myPrevRxDesc local to e100_rx since it was only used there.
Fixed out of memory handling in e100_rx. If dev_alloc_skb() fails
persistently the system is hosed anyway but at least it won't
loop in an interrupt handler.
- Correct some code formatting issues.
- Add defines SET_ETH_ENABLE_LEDS, SET_ETH_DISABLE_LEDS
and SET_ETH_AUTONEG used in new cris v10 ethernet driver.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Mikael Starvik <starvik@axis.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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arm:
drivers/scsi/aic94xx/aic94xx_sds.c:381:1: warning: "FLASH_SIZE" redefined
In file included from include/asm/arch/irqs.h:22,
from include/asm/irq.h:4,
from include/asm/hardirq.h:6,
from include/linux/hardirq.h:7,
from include/asm-generic/local.h:5,
from include/asm/local.h:1,
from include/linux/module.h:19,
from include/linux/device.h:21,
from include/linux/pci.h:52,
from drivers/scsi/aic94xx/aic94xx_sds.c:28:
include/asm/arch/platform.h:444:1: warning: this is the location of the previous definition
Cc: Gilbert Wu <gilbert_wu@adaptec.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant code leading to NULL ptr deref and let terminal config
settings take place in the proper initialization path in
usb_console_setup().
Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Cc: <lucy@keyspan.com>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Check if AC state has changed across resume and notify userspace if so.
Fixes "[2.6.24-rc1 regression] AC adapter state does not change after resume"
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Andrey Borzenkov <arvidjaar@mail.ru>
Cc: Len Brown <lenb@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Do not provide /proc/acpi/ac_adapter if ACPI_PROCFS is not defined. This
eliminates duplicated power adapters in HAL and makes it consistent with
battery module
Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make 'default_mode' and 'default_var' be __initdata.
Fixes these section warnings:
WARNING: vmlinux.o(.data+0x128e0): Section mismatch: reference to .init.data:default_mode_CRT (between 'default_mode' and 'default_var')
WARNING: vmlinux.o(.data+0x128e4): Section mismatch: reference to .init.data:default_var_CRT (between 'default_var' and 'dev_attr_size')
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We have seen ramdisk based install systems, where some pages of mapped
libraries and programs were suddendly zeroed under memory pressure. This
should not happen, as the ramdisk avoids freeing its pages by keeping them
dirty all the time.
It turns out that there is a case, where the VM makes a ramdisk page clean,
without telling the ramdisk driver. On memory pressure shrink_zone runs
and it starts to run shrink_active_list. There is a check for
buffer_heads_over_limit, and if true, pagevec_strip is called.
pagevec_strip calls try_to_release_page. If the mapping has no releasepage
callback, try_to_free_buffers is called. try_to_free_buffers has now a
special logic for some file systems to make a dirty page clean, if all
buffers are clean. Thats what happened in our test case.
The simplest solution is to provide a noop-releasepage callback for the
ramdisk driver. This avoids try_to_free_buffers for ramdisk pages.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Nick Piggin <npiggin@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The tle62x0 driver was ignoring all read errors. This patch makes it
pass such errors up the stack, instead of returning bogus data.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"Luming Yu" <luming.yu@gmail.com> says:
There is a "ttyS1 irq is -1" problem observed on tiger4 which cause the
serial port broken.
It is because that there is __no__ ACPI IRQ resource assigned for the
serial port. So the value of the IRQ for the port is never changed since it
got initialized to -1.
If PNP supplies a valid IRQ, use it. Otherwise, leave port.irq == 0, which
means "no IRQ" to the serial core.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Yu Luming <luming.yu@intel.com>
Acked-by: Matthew Wilcox <matthew@wil.cx>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The i5000_edac driver's PCI registration structure has the name
""i5000_edac"" (with extra set of double-quotes) which is probably not
intentional. Get rid of __stringify.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Firmware like PNPBIOS or ACPI can report the address space consumed by the
RTC. The actual space consumed may be less than the size (RTC_IO_EXTENT)
assumed by the RTC driver.
The PNP core doesn't request resources yet, but I'd like to make it do so.
If/when it does, the RTC_IO_EXTENT request may fail, which prevents the RTC
driver from loading.
Since we only use the RTC index and data registers at RTC_PORT(0) and
RTC_PORT(1), we can fall back to requesting just enough space for those.
If the PNP core requests resources, this results in typical I/O port usage
like this:
0070-0073 : 00:06 <-- PNP device 00:06 responds to 70-73
0070-0071 : rtc <-- RTC driver uses only 70-71
instead of the current:
0070-0077 : rtc <-- RTC_IO_EXTENT == 8
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The misc_register() error path always released an I/O port region,
even if the region was memory-mapped (only mips uses memory-mapped RTC,
as far as I can see).
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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