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This patch uses kcalloc instead of kzalloc function.
A coccinelle script was used to make this change.
Signed-off-by: Navya Sri Nizamkari <navyasri.tech@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch uses kcalloc instead of kzalloc function.
A coccinelle script was used to make this change.
Signed-off-by: Navya Sri Nizamkari <navyasri.tech@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch uses kcalloc instead of kzalloc function.
A coccinelle script was used to make this change.
Signed-off-by: Navya Sri Nizamkari <navyasri.tech@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch uses kcalloc instead of kzalloc function.
A coccinelle script was used to make this change.
Signed-off-by: Navya Sri Nizamkari <navyasri.tech@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Auxiliary fan monitoring is not enabled on ASRock Z77 Pro4-M
with BIOS version 2.00 if booted in UEFI Ultra-FastBoot mode.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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After a suspend/resume cycle it is not guaranteed that the hardware monitoring
device is still enabled. Ensure that this is the case after resume.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Get rid of #ifdef CONFIG_PM by using SIMPLE_DEV_PM_OPS and declaring suspend
and resume functions with __maybe_unused.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Makefile that can actually build the example, and allow selecting device to
work on.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The linux kernel has supported the TiVo Slide remote control for some time, but
does not recognize the USB ID of the newer Slide Pro. This patch adds the
missing data structures so the newer remote will be recognized by the driver,
thereby allowing the TiVo, LiveTV, and Thumbs Up/Down buttons to be
mapped with a hwdb file.
Signed-off-by: Forest Wilkinson <web11.forest@tibit.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Add support for Measurement Specialities MS5611 pressure
and temperature sensor.
Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Minimal implementation providing raw light intensity
and integration time attribute.
Userspace applications can use GREEN channel for raw
illuminance readings following this table:
Integration Time | G Sensitivity
================================
40 ms | 0.18
80 ms | 0.09
160 ms | 0.045
320 ms | 0.0225
640 ms | 0.01125
1280 ms | 0.005625
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add MAINTAINER entry for USB OTG Finite State Machine
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds response to a_alt_hnp_support set feature request from legacy
A device, that is, B-device can provide a message to the user indicating that
the user needs to connect the B-device to an alternate port on the A-device.
A device sets this feature indicates to the B-device that it is connected
to an A-device port that is not capable of HNP, but that the A-device does have
an alternate port that is capable of HNP.
[Peter]
Without this patch, the OTG B device can't be enumerated on
non-HNP port at A device, see below log:
[ 2.287464] usb 1-1: Dual-Role OTG device on non-HNP port
[ 2.293105] usb 1-1: can't set HNP mode: -32
[ 2.417422] usb 1-1: new high-speed USB device number 4 using ci_hdrc
[ 2.460635] usb 1-1: Dual-Role OTG device on non-HNP port
[ 2.466424] usb 1-1: can't set HNP mode: -32
[ 2.587464] usb 1-1: new high-speed USB device number 5 using ci_hdrc
[ 2.630649] usb 1-1: Dual-Role OTG device on non-HNP port
[ 2.636436] usb 1-1: can't set HNP mode: -32
[ 2.641003] usb usb1-port1: unable to enumerate USB device
Cc: stable <stable@vger.kernel.org>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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pr_err() has a KERN_ERR built in. Smatch complains about these nowadays.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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All other Ethernet drivers are builtin, for NFS root.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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We have a central copy of the GPL for that, and the FSF may change
address again in the future.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
contains fixes all over drivers/phy and includes the following
*) Using phy_get_drvdata instead of dev_get_drvdata in armada375-usb2.c
*) Fixes w.r.t checking return values in regmap APIs, protecting regmap ops
with spin lock and directly using regmap_update_bits instead of having a
separate function to do the same in the various PHYs used in exynos.
*) check return value in platform_get_resource of hix5hd2-sata PHY
*) Removed NULL terminating entry from phys array and fix off-by-one
valid value checking for args->args[0] in of_xlate of exynos USB PHY.
*) Fixup rockchip_usb_phy_power_on failure path
*) Fix devm_phy_match to find the correct match in phy core and also fix to
return the correct value from PHY APIs if PM runtime is not enabled.
*) Removed redundant code in twl4030 and xgene
*) Fixed sizeof during memory allocation in miphy PHYs
*) simplify ti_pipe3_dpll_wait_lock implementation, fix missing clk_prepare
when using old dt name and nit pick in MOUDLE_ALIAS in TI PHYs.
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In a uniprocessor implementation the interrupt processor targets
registers are read-as-zero/write-ignored (RAZ/WI). Unfortunately
gic_get_cpumask() will print a critical message saying
GIC CPU mask not found - kernel will fail to boot.
if these registers all read as zero, but there won't actually be
a problem on uniprocessor systems and the kernel will boot just
fine. Skip this check if we're running a UP kernel or if we
detect that the hardware only supports a single processor.
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Link: https://lkml.kernel.org/r/1426141291-21641-1-git-send-email-sboyd@codeaurora.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Instead of directly touching gic_arch_extn, which is about to
be removed, use gic_set_irqchip_flags instead.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Instead of directly touching gic_arch_extn, which is about to
be removed, use gic_set_irqchip_flags instead.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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shmobile only uses gic_arch_extn.irq_set_wake to prevent the GIC
from returning -ENXIO when receiving a wake-up configuration request.
It is a lot simpler to tell the irq layer that we don't need any
configuration by using the IRQCHIP_SKIP_SET_WAKE, thanks to the
new gic_set_irqchip_flags function.
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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A common use of gic_arch_extn is to set up additional flags
to the GIC irqchip. It looks like a benign enough hack that
doesn't really require the users of that feature to be converted
to stacked domains.
Add a gic_set_irqchip_flags() function that platform code can
call instead of using the dreaded gic_arch_extn.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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OMAP4/5 has been (ab)using the gic_arch_extn to provide
wakeup from suspend, and it makes a lot of sense to convert
this code to use stacked domains instead.
This patch does just this, updating the DT files to actually
reflect what the HW provides.
BIG FAT WARNING: because the DTs were so far lying by not
exposing the WUGEN HW block, kernels with this patch applied
won't have any suspend-resume facility when booted with old DTs,
and old kernels with updated DTs won't even boot.
On a platform with this patch applied, the system looks like
this:
root@bacon-fat:~# cat /proc/interrupts
CPU0 CPU1
16: 0 0 WUGEN 37 gp_timer
19: 233799 155916 GIC 27 arch_timer
23: 0 0 WUGEN 9 l3-dbg-irq
24: 1 0 WUGEN 10 l3-app-irq
27: 282 0 WUGEN 13 omap-dma-engine
44: 0 0 4ae10000.gpio 13 DMA
294: 0 0 WUGEN 20 gpmc
297: 506 0 WUGEN 56 48070000.i2c
298: 0 0 WUGEN 57 48072000.i2c
299: 0 0 WUGEN 61 48060000.i2c
300: 0 0 WUGEN 62 4807a000.i2c
301: 8 0 WUGEN 60 4807c000.i2c
308: 2439 0 WUGEN 74 OMAP UART2
312: 362 0 WUGEN 83 mmc2
313: 502 0 WUGEN 86 mmc0
314: 13 0 WUGEN 94 mmc1
350: 0 0 PRCM pinctrl, pinctrl
406: 35155709 0 GIC 109 ehci_hcd:usb1
407: 0 0 WUGEN 7 palmas
409: 0 0 WUGEN 119 twl6040
410: 0 0 twl6040 5 twl6040_irq_ready
411: 0 0 twl6040 0 twl6040_irq_th
IPI0: 0 1 CPU wakeup interrupts
IPI1: 0 0 Timer broadcast interrupts
IPI2: 95334 902334 Rescheduling interrupts
IPI3: 0 0 Function call interrupts
IPI4: 479 648 Single function call interrupts
IPI5: 0 0 CPU stop interrupts
IPI6: 0 0 IRQ work interrupts
IPI7: 0 0 completion interrupts
Err: 0
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-8-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Add a binding for the OMAP4/5 wake-up generator, which acts as
an interrupt controller feeding into the GIC.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-7-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Nobody will regret it.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-6-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The only user of the so called "routable domain" functionality
now being fixed, let's clean up the GIC.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Make it look like a real interrupt controller.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Support for the TI crossbar used on the DRA7 family of chips
is implemented as an ugly hack on the side of the GIC.
Converting it to stacked domains makes it slightly more
palatable, as it results in a cleanup.
Unfortunately, as the DT bindings failed to acknowledge the
fact that this is actually yet another interrupt controller
(the third, actually), we have yet another breakage. Oh well.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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This proves to be useful with stacked domains, when the current
domain doesn't implement wake-up, but expect the parent to do so.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Now that all DTs have been updated, entierely drop support for
the non-DT code.
This is likely to break platforms that do not update their DT,
so print a warning at boot time.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-7-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-6-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Describe the legacy interrupt controller in every tegra DTSI files,
and make it the parent of most interrupts.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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If we detect that our DT has a LIC node, don't setup gic_arch_extn,
and skip tegra_legacy_irq_syscore_init as well.
This is only a temporary measure until that code is removed for good.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Tegra's LIC (Legacy Interrupt Controller) has been so far only
supported as a weird extension of the GIC, which is not exactly
pretty.
The stacked IRQ domain framework fits this pretty well, and allows
the LIC code to be turned into a standalone irqchip. In the process,
make the driver DT aware, something that was sorely missing from
the mach-tegra implementation.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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The GIC is now always initialized from DT on tegra, and there is
no point in keeping non-DT init code.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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On adding an interface br_add_if() sets the MTU to the min of
all the interfaces. Do the same thing on removing an interface too
in br_del_if.
Signed-off-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull drm fixes from Dave Airlie:
"Misc i915, vmwgfx and radeon fixes along with a fix for one of those
recursive sleep mutex debug cases in the mst code"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix an issue with the device losing its irq line on module unload
drm/vmwgfx: Correctly NULLify dma buffer pointer on failure
drm/vmwgfx: Reorder device takedown somewhat
drm/vmwgfx: Fix a couple of lock dependency violations
drm/radeon: drop setting UPLL to sleep mode
drm/radeon: fix wait to actually occur after the signaling callback
drm/i915: Prevent TLB error on first execution on SNB
drm/i915: Do both mt and gen6 style forcewake reset on ivb probe
drm/i915: Make WAIT_IOCTL negative timeouts be indefinite again
drm/i915: use in_interrupt() not in_irq() to check context
drm/mst: fix recursive sleep warning on qlock
drm: Don't assign fbs for universal cursor support to files
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"This is a simple fix for a domain revalidation crash which has
recently turned up in the libsas code (applies to mvsas, isc and
aic94xx)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
libsas: Fix Kernel Crash in smp_execute_task
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This patch adds ABI documentation entries for
in_accel_thresh_falling_value, and in_accel_thresh_rising_value in /events.
There is at least one user for these, lis3l02dq in accel.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Add a separate structure for triggers and add the infrastructure to
support an arbitrary number of triggers. Each trigger is associated
with an interrupt and has an enabled/disabled state.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Since both triggers and events can share an interrupt, add a data
structure that tracks the users of an interrupt so that it enables or
disables it only for the first users and respectively last user.
This will allows us to easily add more events or triggers.
The patch also adds an interrupt enabled counter, so that we can
easily know if we need to put the device in normal mode when the
resume callback is issued.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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When an error occurred during event registration memory was freed twice
resulting in kernel memory corruption and a crash in unrelated code.
The problem was caused by
iio_device_unregister_eventset()
iio_device_unregister_sysfs()
being called twice, once on the error path and then
again via iio_dev_release().
Fix this by making these two functions idempotent so they
may be called multiple times.
The problem was observed before applying
78b33216 iio:core: Handle error when mask type is not separate
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Fix inconsistency in the semantics of the scale attribute.
For scale the write_raw function was considering the scale table index
and writing the appropriate value into the range register, while
for read_raw it was outputting the actual scale.
Fix this behaviour and adhere to the iio ABI specification.
Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Reviewed-by: Viorel Suman <viorel.suman@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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CONFIG_SIMPLE_DUMMY_BUFFER compiles in iio_simple_dummy_buffer.c file
which uses functions from industrialio-trigger.c.
So, CONFIG_SIMPLE_DUMMY_BUFFER needs to select IIO_TRIGGER in order to
avoid build error like this:
> ERROR: "iio_trigger_notify_done" [drivers/staging/iio/iio_dummy.ko] undefined!
> ERROR: "iio_triggered_buffer_postenable" [drivers/staging/iio/iio_dummy.ko] undefined!
> ERROR: "iio_triggered_buffer_predisable" [drivers/staging/iio/iio_dummy.ko] undefined!
> ERROR: "iio_alloc_pollfunc" [drivers/staging/iio/iio_dummy.ko] undefined!
> ERROR: "iio_dealloc_pollfunc" [drivers/staging/iio/iio_dummy.ko] undefined!
Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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A hardware fifo reset always imply an invalidation of the
existing timestamps, so we'll clear timestamps fifo on
successfull hardware fifo reset.
Signed-off-by: Viorel Suman <viorel.suman@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Without this change file name for hmc5843 is empty in
/sys/bus/iio/devices/iio\:device*/name
With this change name is reported correctly:
cat /sys/bus/iio/devices/iio\:device*/name
hmc5843
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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