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UBI (and UBIFS) are a bit over-engineered WRT debugging. The idea was to
link as few as possible when debugging is disabled, but the downside is
that most people produce bug reports which are difficult to understand.
Always dump the flash contents in case of errors, not only when debugging is
enabled.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
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UBI (and UBIFS) are a bit over-engineered WRT debugging. The idea was to
link as few as possible when debugging is disabled, but the downside is
that most people produce bug reports which are difficult to understand.
This patch weeds out the 'ubi_dbg_dump_stack()' function and turns it
into 'dump_stack()' - it is always useful to have stack dump in case of
an error.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
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After getting matched regulators by using of_regulator_match(),
initialize the config.of_node of regulator being register with
of_regulator_match.of_node of that regulator.
This is require for supporting regulator consumers in dt.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The device tree binding for the tps65910 is described as:
tps65911 {
reg = <0x2d>
:::::::::
regulators {
compatible = "ti,tps65911";
ldo1_reg: ldo1 {
/** regulator entry */
};
ldo2_reg: ldo2 {
/** regulator entry */
};
::::::::::
};
};
Support the regulators functionality only when there is "regulators"
child node available for tps65910.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Prints error message whenever there is failure on resource
allocation.
Also used dev_* to print messages instead of pr_*
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Initialize config.of_node for regulator before registering.
This is needed for DT based regulator support.
Regulator stores this of_node value in rdev->dev.of_node
and used for lookup when client ask for regulator_get().
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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UBIFS leaks memory on error path in 'mount_ubifs()'. In case of failure in
'ubifs_fixup_free_space()', it does not call 'ubifs_lpt_free()' whereas LPT
data structures can potentially be allocated. The amount of memory leaked can
be quite high -- see 'ubifs_lpt_init()'.
The bug was introduced when moving the LPT initialisation earlier in the
mount process (commit '781c5717a95a74b294beb38b8276943b0f8b5bb4').
Signed-off-by: Sidney Amani <seed95@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Most functions in UBIFS follow the following designn pattern: if the function
allocates multiple resources, and failss at some point, it frees what it has
allocated and returns an error. So the caller can rely on the fact that the
callee has cleaned up everything after own failure.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Sidney Amani <seed95@gmail.com>
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If at exofs_fill_super() we had an early termination
do to any error, like an IO error while reading the
super-block. We would crash inside exofs_free_sbi().
This is because sbi->oc.numdevs was set to 1, before
we actually have a device table at all.
Fix it by moving the sbi->oc.numdevs = 1 to after the
allocation of the device table.
Reported-by: Johannes Schild <JSchild@gmx.de>
Stable: This is a bug since v3.2.0
CC: Stable Tree <stable@kernel.org>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
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This driver is for USB devices, but was incorrectly listed under
V4L_PCI_DRIVERS.
Signed-off-by: Ismael Luceno <ismael.luceno@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add PnP support to radio-sf16fmr2 driver to support SF16-FMD2 card (SB16 +
TEA5757). The driver can now handle two cards (FMR2 is hardwired to 0x384,
FMD2 can be put at 0x384 or 0x284 by PnP).
Tested with both SF16-FMR2 and SF16-FMD2 (the can work at the same time by
using kernel parameter "pnp_reserve_io=0x384,2" so the FMD2 is put at 0x284).
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Both the control and data registers are completely different now.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- Changed the coding style of auxiliary infoframe functions to make
them smaller
- Fixed the column alignment of some function definitions
- Remove definition of "struct drm_crtc" in some places as they're
used only to retrieve "struct intel_crtc"
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for uncompressed 8-bit raw bayer formats.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Implement more generic quirk registers than just limit and capability
registers. This comes with the expense of a little bit more access time so
these should be only used when really needed.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some sensors do use binning but do not have valid limits in binning
registers. Use non-binning limits in that case.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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rval was not properly initialised in smiapp_read_nvm(). Do that.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The pre_pll divisor must be such that ext_clk / pre_pll divisor does not
result in a frequency that is greater than pll_ip_clk_freq. Fix this.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some sensors only allow 8-bit access, so use safe 8-bit access before the
sensor has been identified.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some sensors implement only 8-bit read functionality and fail on wider
reads. Add a quirk flag for such sensors.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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i2c_client
Pass struct sensor to register access commands. This allows taking quirks
into account in register access.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Instead of providing a function in platform data, allow also providing the
name of the external clock and use it through the clock framework.
Signed-off-by: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As with the existing emulation this should not be used in production
systems but is useful for test purposes.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Mark the two currently unused zone registers as volatile in regmap for
completeness.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Since commit 587a1f1659 ("switch ->is_visible() to returning umode_t")
the return type of is_visible is umode_t rather than mode_t.
This silences a compiler warning on some architectures where these types
are not compatible.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch ensures probing of the ab8500-pwm driver during a DT
enabled boot, so long as the associated nodes are present in the
Device Tree binary.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch ensures probing of the ab8500-sysctrl driver during a DT
enabled boot, so long as the associated nodes are present in the
Device Tree binary.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Device tree based probing support for the core twl6040 driver. Child
devices will be created as MFD devices:
- ASoC codec is always created
- Vibra child is only created if the vibra section present in the DT blob.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The main function of the twl6040 is to provide audio on OMAP4+ platforms.
Since the ASoC codec driver can work without the pdata we can register the
child to load the codec driver whenever the twl6040 MFD driver is loaded.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Use irq_alloc_descs() to get the IRQ number range dynamically instead of
the hardwired use if pdata->irq_base.
The twl6040 only provides interrupts for it's internal components which
means that it is not working as an IRQ expander type of device.
The client drivers will receive their interrupt numbers as resource which
is configured based on the received IRQ range we got from irq_alloc_descs()
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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No functional change, just to make the code a bit more uniform and
remove wrapped lines.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch will allow the ab8500-gpadc driver to be probed during
Device Tree enabled boot.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Before this patch if probe failed to find the platform IRQ it
would attempt to print a message out using dev_err, which in
turn was being passed an unassigned pointer. This patch
ensures the information passed to dev_err is correct.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Allow the ab8500-debugfs driver to be probed during DT start-up.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch will allow the ab8500-core driver to be probed and set up
when booting when Device Tree is enabled. This includes platform ID
look-up which identifies the machine it is currently running on. If
we are undergoing a DT enabled boot, we will refuse to setup each of
the other ab8500-* devices, as they will be probed individually by DT.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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ab8500-i2c is used as core code to register the ab8500 device.
After allocating ab8500 memory, it immediately calls into
ab8500-core where the real initialisation takes place. This
patch moves all core registration and memory allocation into
the true ab8500-core file and removes ab8500-i2c completely.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Since the core is not usable without one of the bus modules it should not
be presented in the UI but should instead be selected by the bus modules.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Fix double free in probe error path introduced by the recent conversion
of wm8350 to use regmap.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Use devres to manage core driver data and regmap.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch adds ADC support to the DA9052/53 core.
Tested on smdkv6410 and i.mx53 QS boards.
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This change changes the tps65910-irq code to use irqdomain, and support
initialization from devicetree. This assumes that the irq_base in the
platform data is -1 if devicetree is used.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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- rename to anatop_read_reg and anatop_write_reg
- anatop_read_reg directly return reg value
- anatop_write_reg write reg with mask
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Reviewed-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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The modern idiom is to use irq_domain to allocate interrupts. This is
useful partly to allow further infrastructure to be based on the domains
and partly because it makes it much easier to allocate virtual interrupts
to devices as we don't need to allocate a contiguous range of interrupt
numbers.
Convert the wm831x driver over to this infrastructure, using a legacy
IRQ mapping if an irq_base is specified in platform data and otherwise
using a linear mapping, always registering the interrupts even if they
won't ever be used. Only boards which need to use the GPIOs as
interrupts should need to use an irq_base.
This means that we can't use the MFD irq_base management since the
unless we're using an explicit irq_base from platform data we can't rely
on a linear mapping of interrupts. Instead we need to map things via
the irq_domain - provide a conveniencem function wm831x_irq() to save a
small amount of typing when doing so. Looking at this I couldn't clearly
see anything the MFD core could do to make this nicer.
Since we're not supporting device tree yet there's no meaningful
advantage if we don't do this conversion in one, the fact that the
interrupt resources are used for repeated IP blocks makes accessor
functions for the irq_domain more trouble to do than they're worth.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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If we've not got a primary IRQ we shouldn't be trying to flag IRQ 0 as a
wake source.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch supports IRQ handling for MAX77693.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch adds MFD driver for MAX77693 to enable its sub devices.
The MAX77693 is a multi-function devices. It includes PMIC,
MUIC(Micro USB Interface Controller), flash LED control and
haptic motor control.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Used by the regulator driver.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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