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The same checks to see if a drive can be or is registered are
repeated through the code, factor out the checks in a common function
and replace the repeated checks with it.
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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On floppy initialization, if something failed inside the loop we call
add_disk, there was no cleanup of previous iterations in the error
handling.
Cc: stable@vger.kernel.org
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If blk_init_queue fails, we do not call put_disk on the current dr
(dr is decremented first in the error handling loop).
Cc: stable@vger.kernel.org
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Since commit 070ad7e ("floppy: convert to delayed work and single-thread
wq"), we end up calling alloc_ordered_workqueue multiple times inside
the loop, which shouldn't be intended. Besides the leak, other side
effect in the current code is if blk_init_queue fails, we would end up
calling unregister_blkdev even if we didn't call yet register_blkdev.
Just moved the allocation of floppy_wq before the loop, and adjusted the
code accordingly.
Cc: stable@vger.kernel.org # 3.5+
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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drivers/block/xen-blkback/xenbus.c:260:5: warning: symbol 'xenvbd_sysfs_addif' was not declared. Should it be static?
drivers/block/xen-blkback/xenbus.c:284:6: warning: symbol 'xenvbd_sysfs_delif' was not declared. Should it be static?
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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This adds a "select" dependency of KEYBOARD_LPC32XX on INPUT_MATRIXKMAP,
as the other drivers are doing in this regard. This fixes the following
compile error if KEYBOARD_LPC32XX is enabled but INPUT_MATRIXKMAP is not:
drivers/input/keyboard/lpc32xx-keys.c:230: undefined reference to
`matrix_keypad_build_keymap'
Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Bootloader can leave interrupt bit pending, and it confuses driver.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The OMAP watchdog timer driver directly calls a function exported by
code in arch/arm/mach-omap2. This is not good; it tightly couples
this driver to the mach-omap2 integration code. Instead, add a
temporary platform_data function pointer to abstract this function
call. A subsequent patch will convert the watchdog driver to use this
function pointer.
This patch also moves the device creation code out of
arch/arm/mach-omap2/devices.c and into arch/arm/mach-omap2/wd_timer.c.
This is another step towards the removal of
arch/arm/mach-omap2/devices.c.
Cc: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
[paul@pwsan.com: skip wd_timer device creation when DT blob is present]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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An older version of the patch "ARM: OMAP1: create read_reset_sources()
function (for initial use by watchdog)" was sent upstream, which used
the wrong return type for the omap1_get_reset_sources() function.
Fix it to return a u32, which is what the WDTIMER platform_data
function pointer read_reset_sources() expects.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Signed-off-by: Andreas Herrmann <herrmann.der.user@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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bf->bf_next is only while buffers are chained as part of an A-MPDU
in the tx queue. When a tid queue is flushed (e.g. on tearing down
an aggregation session), frames can be enqueued again as normal
transmission, without bf_next being cleared. This can lead to the
old pointer being dereferenced again later.
This patch might fix crashes and "Failed to stop TX DMA!" messages.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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Rename the files to have names consistent across OMAP boards.
Update the Makefile to use the new name.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add base address and interrupt line inside Device Tree data for
OMAP5.
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add base address and interrupt line inside Device Tree data for
OMAP5.
Fix as well the wrong compatible string on UART5 & 6.
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Reviewed-by: Shubhrajyoti D <shubhrajyoti@ti.com>
[b-cousson@ti.com: Update the changelog to reflect the fixes
done in the patch]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add base address and interrupt line inside Device Tree data for
OMAP5
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Reviewed-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add base address and interrupt line inside Device Tree data for
OMAP5.
Signed-off-by: Sebastien Guiriec <s-guiriec@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Adds the counter-32k timers nodes present in OMAP2/3/4 devices and
device-tree binding documentation for OMAP counter-32k.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add the 12 GP timers nodes present in OMAP2.
Add the 12 GP timers nodes present in OMAP3.
Add the 11 GP timers nodes present in OMAP4.
Add the 7 GP timers nodes present in AM33xx.
Add documentation for timer properties specific to OMAP.
Thanks to Vaibhav Hiremath for creating the AM33xx timer nodes. I have modified
Vaibhav's original nodes adding information on which timers support a PWM
output.
V5 changes:
- Updated timer register sizes for OMAP2/3/4.
- Modified AM335x timer register size to be 1KB instead of 4KB to align with
HWMOD.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Acked-Reviewed-&-Tested-By: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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The interrupt-parent attribute does not have to be added in each
node since the fmwk will check for the parent as well to get it.
Create an interrupt-parent for OMAP2, OMAP3, AM33xx and remove the
attributes from every nodes that were using it.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Sebastien Guiriec <s-guiriec@ti.com>
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*reg* property for ocp2scp was previously obtained from ti,hwmods property.
But that is now explicitly added to the dt node.
Also updated the documentation with *reg* info.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add twl4030-usb data node in twl4030 device tree file. twl4030-usb is the phy
driver for MUSB used in omap3 chipsets. The dt data is comprised of two
interrupts, one for ID and one for VBUS and three phandles to regulator.
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add twl6030-usb data node in twl6030 device tree file. twl6030-usb is the
comparator driver for USB that detects VBUS and ID events. The dt data is
comprised of two interrupts, one for ID and one for VBUS and a phandle to the
regulator.
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Update i2c trivial-devices list by adding the description for
ti,tmp275 temperature sensor and taos,tsl2550 ambient light
sensor.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add AM335X EVM-SK device tree source (am335x-sk.dts) file to use
the am33xx.dtsi SoC file, along with the memory node information.
Also adds support for tps65910 regulator and lis331dlh accelerometer.
Following drivers/functionality were tested on AM335x-EVM-SK.
* I2C
* TPS65910 regulators
* lis331dlh accelerometer
AM335x EVM Starter Kit details can be accessed from:
http://www.ti.com/tool/tmdssk3358
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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In AM335x EVM tsl2550 ambient light sensor is connected to I2C2 bus.
Add child node inside i2c2 node with i2c slave address.
TAOS tsl2550 sensor is using a two-wire SMBus serial interface.
Reduce I2C2 clock frequency to 100kHz from 400kHz because the
maximum clock frequency of SMBus is 100kHz.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
[b-cousson@ti.com: Clean the changelog]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add temperature sensor DT data to am335x-evm.dts. In AM335x EVM
tmp275 temperature sensor is connected to I2C2 bus. So this patch
adds child node inside i2c2 node with i2c slave address. This patch
is tested on AM335x EVM.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add lis331dlh device tree data to am335x-evm.dts. In AM335x EVM
lis331dlh accelerometer is connected to I2C2 bus. So this patch
change the status of I2C2 node to "okay" to use I2C2 bus. Also
added all the required platform data to am335x-evm.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add Bosch D_CAN controller device tree data to AM33XX dtsi
file by adding d_can device nodes with all the necessary
parameters.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Adds basic pinctrl device tree data for AM33XX family of devices.
This patch is based on the pinctrl-single driver.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add DT OPP table for AM33XX family of devices. This data is
decoded by OF with of_init_opp_table() helper function.
Also adds cpu0 supply name to the corresponding dts files.
cpu0-supply name is used by cpufreq-cpu0 driver to get the
regulator pointer for voltage modifications.
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Add a minimal dts for original OMAP3430/3530 version of the Beagle board. This
version of the Beagle board has 256MB of DDR and features the same TWL4030
power management IC (PMIC) as the Beagle board XM.
Given that the Beagle and Beagle-XM boards use the same PMIC, move the
definition of the VSIM regulator into the TWL4030.dtsi file so that we do not
need to duplicate in the Beagle board dts file.
This has been boot tested on an OMAP3530 Beagle board and verifing that the
SD/MMC interface is working with a SD card.
V2 changes
- Rebased upon of devel-dt
- Corrected copyright date in omap3-beagle.dts file
- Added LED support after verifing that Beagle and Beagle XM have the same LED
configuration
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes form Sage Weil:
"There are two fixes in the messenger code, one that can trigger a NULL
dereference, and one that error in refcounting (extra put). There is
also a trivial fix that in the fs client code that is triggered by NFS
reexport."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: fix dentry reference leak in encode_fh()
libceph: avoid NULL kref_put when osd reset races with alloc_msg
rbd: reset BACKOFF if unable to re-queue
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Call to d_find_alias() needs a corresponding dput()
This fixes http://tracker.newdream.net/issues/3271
Signed-off-by: David Zafman <david.zafman@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
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As exynos-drm is a software device, its registration is moved to the
exynos drm driver. This will provide generic solution for device registration
for dt and non-dt platforms. Corresponding patches are posted to dri-devel
list.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for clocks for hdmi, hdmiphy and mixer.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
hdmi ddc.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
hdmiphy.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
mixer. Mixer node is also renamed with "exynos5-mixer".
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This patch adds support for device tree based discovery for exynos5
hdmi. Hdmi node is also renamed with "exynos5-hdmi".
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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This helps generating device tree blobs for DaVinci DA850 boards with
command:
'make ARCH=arm dtbs'.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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This board supports:
- AM1808 based board
- 64 MiB DDR ram
- 2 MiB Nor flash
- 128 MiB NAND flash
- use internal RTC
- I2C support
- hwmon lm75 support
- UBI/UBIFS support
- MMC support
- USB OTG support
This patch adds the basic DTS file enabling the serial ports.
Other features will be added in due course of time.
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree-discuss@lists.ozlabs.org
Cc: davinci-linux-open-source@linux.davincidsp.com
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
[nsekhar@ti.com: modified after dtsi refactoring and added binding
documentation]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add device tree data for DA850 EVM. At this time, only
information on serial ports is added.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add DT data for DA850 SoC. Only interrupt controller and
serial port information is being added at this time.
Signed-off-by: Heiko Schocher <hs@denx.de>
[nsekhar@ti.com: refactored DT data into SoC specific and
board specific and include SoC data into .dtsi file]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Using the 'o' memory constraint in inline assembly can result in GCC
generating invalid immediate offsets for memory access instructions with
reduced addressing capabilities (i.e. smaller than 12-bit immediate
offsets):
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54983
As there is no constraint to specify the exact addressing mode we need,
fallback to using 'Q' exclusively for halfword I/O accesses. This may
emit an additional add instruction (using an extra register) in order
to construct the address but it will always be accepted by GAS.
Reported-by: Bastian Hecht <hechtb@googlemail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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CONFIG_VFPv3 set
After commit 846a136881b8f73c1f74250bf6acfaa309cab1f2 ("ARM: vfp: fix
saving d16-d31 vfp registers on v6+ kernels"), the OMAP 2430SDP board
started crashing during boot with omap2plus_defconfig:
[ 3.875122] mmcblk0: mmc0:e624 SD04G 3.69 GiB
[ 3.915954] mmcblk0: p1
[ 4.086639] Internal error: Oops - undefined instruction: 0 [#1] SMP ARM
[ 4.093719] Modules linked in:
[ 4.096954] CPU: 0 Not tainted (3.6.0-02232-g759e00b #570)
[ 4.103149] PC is at vfp_reload_hw+0x1c/0x44
[ 4.107666] LR is at __und_usr_fault_32+0x0/0x8
It turns out that the context save/restore fix unmasked a latent bug
in commit 5aaf254409f8d58229107b59507a8235b715a960 ("ARM: 6203/1: Make
VFPv3 usable on ARMv6"). When CONFIG_VFPv3 is set, but the kernel is
booted on a pre-VFPv3 core, the code attempts to save and restore the
d16-d31 VFP registers. These are only present on non-D16 VFPv3+, so
this results in an undefined instruction exception. The code didn't
crash before commit 846a136 because the save and restore code was
only touching d0-d15, present on all VFP.
Fix by implementing a request from Russell King to add a new HWCAP
flag that affirmatively indicates the presence of the d16-d31
registers:
http://marc.info/?l=linux-arm-kernel&m=135013547905283&w=2
and some feedback from Måns to clarify the name of the HWCAP flag.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Martin <dave.martin@linaro.org>
Cc: Måns Rullgård <mans.rullgard@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The scheduler imposes a requirement to sched_clock()
which is to stop the clock during suspend, if we don't
do that any RT thread will be rescheduled in the future
which might cause any sort of problems.
This became an issue on OMAP when we converted omap-i2c.c
to use threaded IRQs, it turned out that depending on how
much time we spent on suspend, the I2C IRQ thread would
end up being rescheduled so far in the future that I2C
transfers would timeout and, because omap_hsmmc depends
on an I2C-connected device to detect if an MMC card is
inserted in the slot, our rootfs would just vanish.
arch/arm/kernel/sched_clock.c already had an optional
implementation (sched_clock_needs_suspend()) which would
handle scheduler's requirement properly, what this patch
does is simply to make that implementation non-optional.
Note that this has the side-effect that printk timings
won't reflect the actual time spent on suspend so other
methods to measure that will have to be used.
This has been tested with beagleboard XM (OMAP3630) and
pandaboard rev A3 (OMAP4430). Suspend to RAM is now working
after this patch.
Thanks to Kevin Hilman for helping out with debugging.
Acked-by: Kevin Hilman <khilman@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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