| Commit message (Collapse) | Author | Age |
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* 'i2c-next' of git://aeryn.fluff.org.uk/bjdooks/linux:
i2c-omap: fix type of irq handler function
i2c-s3c2410: Change IRQ to be plain integer.
i2c-s3c2410: Allow more than one i2c-s3c2410 adapter
i2c-s3c2410: Remove default platform data.
i2c-s3c2410: Use platform data for gpio configuration
i2c-s3c2410: Fixup style problems from checkpatch.pl
i2c-omap: Enable I2C wakeups for 34xx
i2c-omap: reprogram OCP_SYSCONFIG register after reset
i2c-omap: convert 'rev1' flag to generic 'rev' u8
i2c-omap: fix I2C timeouts due to recursive omap_i2c_{un,}idle()
i2c-omap: Clean-up i2c-omap
i2c-omap: Don't compile in OMAP15xx I2C ISR for non-OMAP15xx builds
i2c-omap: Mark init-only functions as __init
i2c-omap: Add support for omap34xx
i2c-omap: FIFO handling support and broken hw workaround for i2c-omap
i2c-omap: Add high-speed support to omap-i2c
i2c-omap: Close suspected race between omap_i2c_idle() and omap_i2c_isr()
i2c-omap: Do not use interruptible wait call in omap_i2c_xfer_msg
Fix up apparently-trivial conflict in drivers/i2c/busses/i2c-s3c2410.c
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Change the code to use a plain integer as the holder
for the IRQ for the device and use platform_get_irq()
to find it.
This makes the code slightly neater, and easier to get
the IRQ number.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Newer SoCs such as the S3C6410 have 2 instances of this i2c
controller block in and thus require the ability to create
two seperate busses from this.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The platform data should now always be present when the device
is initialised, so we can remove the default platform data in
the driver.
All the device initialisation points in the board specific code
should already have been changed to initialise this as necessary.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Add a callback to set the gpio configuration for the
i2c device instead of a set include. This also allows
the remvoal of the machine gpio and hardware files.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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Fixup the 36 warnings and errors generated from running
checkpatch.pl on the driver. The warnings are too numerous
to be listed here.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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The probe function used a pointer to the interrupt
handler to register as a 'void *', change it to the
proper type of irq_handler_t.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into i2c-next
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I2C_WE registers were not configured, which caused huge delays in
I2C operations while cpu idle was enabled and omap entered WFI.
This patch enables all I2C wakeup sources.
Signed-off-by: Kalle Jokiniemi <ext-kalle.jokiniemi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The I2C controller clears its OCP_SYSCONFIG register after an OCP soft reset.
Reprogram OCP_SYSCONFIG for maximum power savings on rev3.6 controllers
and beyond. On 2430, this involves setting the module AUTOIDLE bit.
On 3430, this includes module AUTOIDLE, wakeup enable, slave smart-idle,
and considers only the module functional clock state for idle-ack.
Boot-tested on 2430SDP and 3430SDP.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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i2c-omap discriminates only between "revision 1" or "greater than
revision 1." A following patch introduces code that must also
discriminate between rev2.x, rev3.6, and rev3.12 controllers. Support
this by storing the full revision data from the I2C_REV register, rather
than just a single bit.
The revision definitions may need to be extended for other ES levels
that aren't currently available here. rev3.6 is what's present on the
2430SDP here (unknown ES revision); rev3.12 is used on the 3430ES2
here.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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omap_i2c_unidle() and omap_i2c_idle() are called recursively during
omap_i2c_probe(). This is evidently unexpected and will wipe
out the I2C interrupt enable register the second time that
omap_i2c_idle() is called consecutively. Any I2C transactions
following a probe of a bus with at least one device on it will then
time out.
Fix by moving omap_i2c_idle() further up in omap_i2c_probe(). Ensure
the I2C controller is marked as idle before the probe starts. Also
attempt to catch future reappearances of this bug early in development
by warning in omap_i2c_{un,}idle() when they are called recursively.
Problem reported by David Brownell <david-b@pacbell.net>.
Tested on 3430SDP and 2430SDP.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Acked-by; Steve Sakoman <steve@sakoman.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Minor sparse, checkpatch and formatting clean-up. Also update copyrights.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Skip compiling OMAP15xx I2C ISR for non-OMAP15xx builds. Saves 400 bytes
of text for most OMAP builds.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Mark functions called only at init time as __init.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add support for omap34xx
Signed-off-by: chandra shekhar <x0044955@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Based on an earlier patch from Nishant Menon:
- Transfers can use FIFO on FIFO capable devices
- Prevents errors for HSI2C if FIFO is not used
- Implemented errenous handling of STT-STP handling on SDP2430
Also merged in is a fix from Jaron Marini to fix occasional i2c
hang if OMAP_I2C_CON_STT remains asserted.
Signed-off-by: Jason P Marini <jason.marini@gmail.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Omap2430 has additional support for high-speed I2C.
This patch moves I2C speed parameter (from module) to platform data.
Also added basic High Speed support based on I2C bus speed.
This patch is tested for high speed I2C (with TWL4030 Keypad) and works as
expected.
Also change the 2430 i2chs_fck names to use the standard naming.
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Syed Mohammed Khasim <x0khasim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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omap_i2c_idle() sets an internal flag, "dev->idle", instructing its
ISR to decline interrupts. It sets this flag before it actually masks
the interrupts on the I2C controller. This is problematic, since an
I2C interrupt could arrive after dev->idle is set, but before the
interrupt source is masked. When this happens, Linux disables the I2C
controller's IRQ, causing all future transactions on the bus to fail.
Symptoms, happening on about 7% of boots:
irq 56: nobody cared (try booting with the "irqpoll" option)
<warning traceback here>
Disabling IRQ #56
i2c_omap i2c_omap.1: controller timed out
In omap_i2c_idle(), this patch sets dev->idle only after the interrupt
mask write to the I2C controller has left the ARM write buffer.
That's probably the major offender. For additional prophylaxis, in
omap_i2c_unidle(), the patch clears the dev->idle flag before
interrupts are enabled, rather than afterwards.
The patch has survived twenty-two reboots on the 3430SDP here without
wedging I2C1. Not absolutely dispositive, but promising!
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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If there is a signal pending and wait_for_completion_interruptible_timeout
terminates with -ERESTARTSYS, we return and disable the i2c clocks in
omap_i2c_xfer.
If we terminate before sending last i2c message with a stop condition, the
bus remains busy and we are not able to send new messages into bus with
successive omap_i2c_xfer calls. Therefore a pending signal is not caught
here and we return only because of timeout or i2c error.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (22 commits)
HID: fix error condition propagation in hid-sony driver
HID: fix reference count leak hidraw
HID: add proper support for pensketch 12x9 tablet
HID: don't allow DealExtreme usb-radio be handled by usb hid driver
HID: fix default Kconfig setting for TopSpeed driver
HID: driver for TopSeed Cyberlink quirky remote
HID: make boot protocol drivers depend on EMBEDDED
HID: avoid sparse warning in HID_COMPAT_LOAD_DRIVER
HID: hiddev cleanup -- handle all error conditions properly
HID: force feedback driver for GreenAsia 0x12 PID
HID: switch specialized drivers from "default y" to !EMBEDDED
HID: set proper dev.parent in hidraw
HID: add dynids facility
HID: use GFP_KERNEL in hid_alloc_buffers
HID: usbhid, use usb_endpoint_xfer_int
HID: move usbhid flags to usbhid.h
HID: add n-trig digitizer support
HID: add phys and name ioctls to hidraw
HID: struct device - replace bus_id with dev_name(), dev_set_name()
HID: automatically call usbhid_set_leds in usbhid driver
...
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Conflicts:
drivers/hid/hid-ids.h
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sony_set_operational() only propagates return value from
usb_control_msg(), which returns negative on error and number
of transferred bytes otherwise.
Reported-by: Marcin Tolysz <tolysz@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The hidraw subsystem has a bug that prevents the close syscall from ever
reaching the low level driver, leading to a resource leak. Fix by replacing
postdecrement with predecrement.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The Genius PenSketch 12x9 tablet has a puck (labeled a
"Tablet Mouse") in addition to a pen. Without registering a quirk
the tablet appears to be a single input device that reports the
wrong axis information in /proc/bus/input/devices, and sends
incorrect events (e.g. ABS_Z instead of ABS_Y). This information
confuses the X evdev driver and makes the device impossible to
use.
The quirk fixes events and splits the device into multiple input
event devices so that at least the puck is useful.
Signed-off-by: Matt Helsley <matt.helsley@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This device is already handled by radio-si470x driver, and we therefore
want usbhid to ignore it. Patch places usb ids of that device in
ignore section of hid-core.c
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Make default setting for TopSpeed driver compliant with the defaults
of the other specialized HID drivers.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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I recently picked up a Cyberlink branded remote control produced
by TopSeed Tech Corp. Alas, it appears that this device is using
non-standard mappings for some of it's keys (Usage page 0xffbc).
Signed-off-by: Lev Babiev <harley@hosers.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The usbmouse and usbkbd modules are not supposed to be used with regular USB
mice and keyboards. Make them depend on EMBEDDED to prevent them from being
built and loaded on non-EMBEDDED configs.
Signed-off-by: Parag Warudkar <parag.lkml@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Impact: include a prototype for the exported function in the macro
Fix about 20 of this warnings:
drivers/hid/hid-a4tech.c:162:1: warning: symbol 'hid_compat_a4tech' was not declared. Should it be static?
Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This is a cleanup of hiddev and fixes the following issues:
- thread safety by locking in read & ioctl, introducing a per device mutex
- race between ioctl and disconnect, introducing a flag and locking
in form of a per low level device mutex
- race between open and other methods, making sure only successfully
opened devices are put on the list, changing order of events
- range checking both upper and lower limits of the minor range
- make sure further calls to open fail for unplugged devices even if
the device still has opened files
- error checking for low level open
- possible loss of wakeup events, using standard waiting macros
- race in initialisation by moving registration after full initialisation
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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I have implemented Force Feedback driver for another "GreeAsia" based device
(0e8f:0012 "GreenAsia Inc. USB Joystick"). The functionality was tested with
MANTA Warior MM816 and SpeedLink Strike2 SL-6635 and fftest software -
everything seems to work right.
Signed-off-by: Lukasz Lubojanski <lukasz@lubojanski.info>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix the obnoxious "default y" for all the "special" HID code, which forces folk
with EMBEDDED defined to manually override that inappropriate default for
almost 20 choices. The general policy is against "default y"; it should apply
here too.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We need to properly set parent of the hidraw device (which is the
corresponding physical device itself) in order to hidraw devices not
end up under virtual device tree.
Reported-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Allow adding new devices to the hid drivers on the fly without
a need of kernel recompilation.
Now, one can test a driver e.g. by:
echo 0003:045E:00F0.0003 > ../generic-usb/unbind
echo 0003 045E 00F0 > new_id
from some driver subdir.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We might sleep, so no problem to use GFP_KERNEL.
While at it bring the function to coding style.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Use usb_endpoint_xfer_int() instead of direct use of constants.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Move usbhid specific flags from global hid.h into local usbhid.h.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Added quirks for the N-Trig digitizer.
Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The hiddev interface provides ioctl() calls which can be used
to obtain phys and raw name of the underlying device.
Add the corresponding support also into hidraw.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch is part of a larger patch series which will remove
the "char bus_id[20]" name string from struct device. The device
name is managed in the kobject anyway, and without any size
limitation, and just needlessly copied into "struct device".
To set and read the device name dev_name(dev) and dev_set_name(dev)
must be used. If your code uses static kobjects, which it shouldn't
do, "const char *init_name" can be used to statically provide the
name the registered device should have. At registration time, the
init_name field is cleared, to enforce the use of dev_name(dev) to
access the device name at a later time.
We need to get rid of all occurrences of bus_id in the entire tree
to be able to enable the new interface. Please apply this patch,
and possibly convert any remaining remaining occurrences of bus_id.
We want to submit a patch to -next, which will remove bus_id from
"struct device", to find the remaining pieces to convert, and finally
switch over to the new api, which will remove the 20 bytes array
and does no longer have a size limitation.
CC: Jiri Kosina <jkosina@suse.cz>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch (as1146c) makes usbhid automatically call usbhid_set_leds()
for any device that supports the keyboard boot protocol.
In theory this should be perfectly safe. BIOSes send the LED output
report as part of their normal device initialization, so any keyboard
device supporting the boot protocol has to be able to handle it.
As a side effect, the hid-dell and hid-bright drivers are no longer
needed, and the Logitech keyboard driver can be removed from hid-lg.
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When computing the maximal buffer size needed, we must take into
account that not only input reports can be numbered.
Pointed out in bugzilla #10467
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The mouse interface on unibody macbooks is going to be handled by
bcm59743 driver in 2.6.29.
Reported-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (27 commits)
GFS2: Use DEFINE_SPINLOCK
GFS2: Fix use-after-free bug on umount (try #2)
Revert "GFS2: Fix use-after-free bug on umount"
GFS2: Streamline alloc calculations for writes
GFS2: Send useful information with uevent messages
GFS2: Fix use-after-free bug on umount
GFS2: Remove ancient, unused code
GFS2: Move four functions from super.c
GFS2: Fix bug in gfs2_lock_fs_check_clean()
GFS2: Send some sensible sysfs stuff
GFS2: Kill two daemons with one patch
GFS2: Move gfs2_recoverd into recovery.c
GFS2: Fix "truncate in progress" hang
GFS2: Clean up & move gfs2_quotad
GFS2: Add more detail to debugfs glock dumps
GFS2: Banish struct gfs2_rgrpd_host
GFS2: Move rg_free from gfs2_rgrpd_host to gfs2_rgrpd
GFS2: Move rg_igeneration into struct gfs2_rgrpd
GFS2: Banish struct gfs2_dinode_host
GFS2: Move i_size from gfs2_dinode_host and rename it to i_disksize
...
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SPIN_LOCK_UNLOCKED is deprecated. The following makes the change suggested
in Documentation/spinlocks.txt
The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@@
declarer name DEFINE_SPINLOCK;
identifier xxx_lock;
@@
- spinlock_t xxx_lock = SPIN_LOCK_UNLOCKED;
+ DEFINE_SPINLOCK(xxx_lock);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This should solve the issue with the previous attempt at fixing this.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This reverts commit 78802499912f1ba31ce83a94c55b5a980f250a43.
The original patch is causing problems in relation to order of
operations at umount in relation to jdata files. I need to fix
this a different way.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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This patch removes some unused code, and make the calculation
of the number of blocks required conditional in order to reduce
the number of times this (potentially expensive) calculation
is done.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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