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Trivial fix to spelling mistakes in dev_err messages.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The TX settings can be calibrated for particular hardware. The
phy is reset by Linux, so this cannot be handled by the bootloader.
The TRM mentions that the maximum resistance should be used for the
DN/DP calibration in order to pass USB certification.
The values for the TX registers are poorly described in the TRM.
The meanings of the register values were taken from another
NXP-provided document:
https://community.nxp.com/message/566147#comment-566912
Acked-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jaret Cantu <jaret.cantu@timesys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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As the last known user, ie. pxa27x_udc relying on calls to
usb_gadget_xxx() was amended to use the phy notifier, remove a bit the
USB stack adherence.
Actually the driver still uses the gadget API for structures definition,
but the implementation of USB gadget specific function usb_gadget_*() is
not necessary anymore.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In the gpio based case, the status of the phy is known at start by
reading the VBus gpio.
Actually, this is a fix, as this initial state, when not set up,
prevents a gadget to answer to the enumeration phase, as there is no
notification in this case (the VBus is already high when kernel boots)
so no interrupt is triggered, and the flow is :
- gadget initializes
- gadget gets its phy-generic with a xxx_get_phy_xxx() call type
- gadget does a "set_peripheral()" call type
=> here if the otg->state is correctly filled, the proper vbus
handling will be called, and the gadget will be aware it should
answer enumeration and go forth
Without this fix, the USB cable must be removed and replugged for any
gadget relying on phy-generic and its gpio vbus handling to work.
The problem was seen on a pxa27x architecture based board on a
devicetree build.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Add missing platform_set_drvdata() in omap_otg_probe(), otherwise
calling platform_get_drvdata() in remove returns NULL.
This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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As a preparation for another cleanup, this moves the header file
for the phy-msm-usb driver into the driver itself. No other file
includes it any more, and we don't really want it in the global
namespace anyway.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Space required after that ','.
Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Some SoCs have a single phy-hw-block with multiple phys, this is
modelled by a single phy dts node, so we end up with multiple
controller nodes with a phys property pointing to the phy-node
of the otg-phy.
Only one of these controllers typically is an otg controller, yet we
were checking the first controller who uses a phy from the block and
then end up looking for a dr_mode property in e.g. the ehci controller.
This commit fixes this by adding an arg0 parameter to
of_usb_get_dr_mode_by_phy and make of_usb_get_dr_mode_by_phy
check that this matches the phandle args[0] value when looking for
the otg controller.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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instead of defining all functions as static inlines,
let's move them to udc-core and export them with
EXPORT_SYMBOL_GPL, that way we can make sure that
only GPL drivers will use them.
As a side effect, it'll be nicer to add tracepoints
to the gadget API.
While at that, also fix Kconfig dependencies to
avoid randconfig build failures.
Acked-By: Sebastian Reichel <sre@kernel.org>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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We need to check the state for the PHY with delayed_work
as otherwise MUSB will get confused and idles immediately.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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At least on n900 we have phy-twl4030-usb only generating cable
interrupts, and then have a separate USB PHY.
In order for musb to know the real cable status, we need to
clear any cached state until musb is ready. Otherwise the cable
status interrupts will get just ignored if the status does
not change from the initial state.
To do this, let's add a return value to musb_mailbox(), and
reset cached linkstat to MUSB_UNKNOWN on error. Sorry to cause
a bit of churn here, I should have added that already last time
patching musb_mailbox().
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove unnecessary space before operator ','.
Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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coccicheck found this pattern which could be
converted to PTR_ERR_OR_ZERO(). No functional
changes.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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gcc warns about the use of regulators in phy_8x16_probe:
drivers/usb/phy/phy-qcom-8x16-usb.c: In function 'phy_8x16_probe':
drivers/usb/phy/phy-qcom-8x16-usb.c:284:13: error: 'regs[0].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/usb/phy/phy-qcom-8x16-usb.c:285:13: error: 'regs[1].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/usb/phy/phy-qcom-8x16-usb.c:286:12: error: 'regs[2].consumer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
According to Mark Brown, this is the result of various abuses
of the PHY interfaces [1], so let's fix the driver instead.
This puts the regulator bulk data into the device structure so it
gets properly initialized and lets us call regulator_bulk_enable()
and regulator_bulk_disable() rather than open-coding them.
Setting the voltages the way the driver does is rather pointless
because for each regulator there is only one valid voltage
range, so that can just get set up in the DT. As there doesn't
seem to be any user of the newly added driver yet, we can simply
make sure the DTs are setting this up right when they get added.
I'm also fixing the handling of regulator_bulk_enable() failure.
Right now, the driver just ignores any failure, which doesn't make
sense, so I'm changing it to loudly complain (in case we actually
had a bug here) and error out.
Doing a fly-by review of the driver, I notice a couple of other
problems that I'm not addressing here:
- It really should not have been written as a USB PHY driver, but
instead should use the PHY subsystem.
- The DT compatible string does not follow the usual conventions,
and it should have a proper identifier in it rather than a wildcard.
- The example in the devicetree binding lists a register address
that is the same as the actual EHCI host controller in the SoC
as well as the otg-snps and the ci-hdrc device, which indicates
that these are probably not even distinct devices (or all but
one of them are wrong), and if more than one of them tries to
request the resources correctly, they fail.
[1] https://lkml.org/lkml/2016/1/26/267
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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It is possible for the VBUS detect GPIO interrupt to occur before
nop_set_peripheral() is called, in which case otg->gadget is NULL.
Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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phy-am335x.c doesn't use any interfaces from linux/regulator/consumer.h, so
stop including it.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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The power_up function is used for otg or udc mode, but nost when
the driver is only configured for host mode:
drivers/usb/phy/phy-isp1301-omap.c:261:13: error: 'power_up' defined but not used [-Werror=unused-function]
This marks the function __maybe_unused to avoid the warning and
silently drop the definition when it is unused.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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When working in Dual Role Device mode, USB state machine is not kicked,
when host or gadget drivers are loaded. Fix this be explicitly triggering
state detection on client driver load.
Issue is that if the board is booted without micro usb cable and usb
device attached, kernel fails to populate the usb host and device.
The reason for this is that the state machine worker logic only checks
for USB_DR_MODE_PERIPHERAL and USB_DR_MODE_HOST modes to run worker
thread. However if the phy is configured in OTG mode it would fail
to run the state machine, resulting in failure to detect for very
first time.
This patch fixes the issue by removing the explicit checks.
Issue is noticed on Qualcomm Dragon board DB410C.
[srinivas.kandagatla@linaro.org: Added more details to log]
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Initialize vbus_value to be 0 since it's possible not to assign
any value before judgement.
Acked-by: Peter Chen <peter.chen@nxp.com
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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This driver registers for extcon events as part of its probe, but
never unregisters them in case of error in the probe path.
There were multiple issues noticed due to this missing error handling.
One of them is random crashes if the regulators are not ready yet by the
time probe is invoked.
Ivan's previous attempt [1] to fix this issue, did not really address
all the failure cases like regualtor/get_irq failures.
[1] https://lkml.org/lkml/2015/9/7/62
Without this patch the kernel would carsh with log:
...
Unable to handle kernel paging request at virtual address 17d78410
pgd = ffffffc001a5c000
[17d78410] *pgd=00000000b6806003, *pud=00000000b6806003, *pmd=0000000000000000
Internal error: Oops: 96000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.4.0+ #48
Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
Workqueue: deferwq deferred_probe_work_func
task: ffffffc03686e900 ti: ffffffc0368b0000 task.ti: ffffffc0368b0000
PC is at raw_notifier_chain_register+0x1c/0x44
LR is at extcon_register_notifier+0x88/0xc8
pc : [<ffffffc0000da43c>] lr : [<ffffffc000606298>] pstate: 80000085
sp : ffffffc0368b3a70
x29: ffffffc0368b3a70 x28: ffffffc03680c310
x27: ffffffc035518000 x26: ffffffc035518000
x25: ffffffc03bfa20e0 x24: ffffffc035580a18
x23: 0000000000000000 x22: ffffffc035518458
x21: ffffffc0355e9a60 x20: ffffffc035518000
x19: 0000000000000000 x18: 0000000000000028
x17: 0000000000000003 x16: ffffffc0018153c8
x15: 0000000000000001 x14: ffffffc03686f0f8
x13: ffffffc03686f0f8 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000001
x9 : ffffffc03686f0f8 x8 : 0000e3872014c1a1
x7 : 0000000000000028 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000000
x3 : 00000000354fb170 x2 : 0000000017d78400
x1 : ffffffc0355e9a60 x0 : ffffffc0354fb268
Fixes: 591fc116f330 ("usb: phy: msm: Use extcon framework for VBUS and ID detection")
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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We currently can't unload omap2430 MUSB platform glue driver module and
this cause issues for fixing the MUSB code further. The reason we can't
remove omap2430 is because it uses the PHY functions and also exports the
omap_musb_mailbox function that some PHY drivers are using.
Let's fix the issue by exporting a more generic musb_mailbox function
from the MUSB core and allow platform glue layers to register phy_callback
function as needed.
And now we can now also get rid of the include/linux/musb-omap.h.
Cc: Bin Liu <b-liu@ti.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: NeilBrown <neil@brown.name>
Reviewed-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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To prevent VBUS contention, the am335x MUSB phy senses VBUS first before
transitioning to host mode. However, for host-only mode, VBUS could be
directly tied to 5V power rail which could prevent MUSB transitions to
host mode.
This change receives dr_mode of the controller then bypass the first
VBUS sensing for host-only mode, so that MUSB can work in host mode
event if VBUS is tied to 5V.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The filename of am35x-phy-control.h is confusing. The header is used
by the am335x phy driver, but the filename refers to am35x. Even worse
there is indeed another device called am35x but it does not use this
header at all.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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As of commit 3d7608e4c169af03 ("ARM: shmobile: bockw: remove legacy
board file and config"), the Renesas R-Car (Gen1) USB PHY driver is no
longer used.
In theory it could still be used on R-Car Gen1 SoCs, but that would
require adding DT support to the driver. Instead, a new driver using the
generic PHY framework should be written, as was done for R-Car Gen2.
Remove the driver for good.
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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of_match_device could return NULL, and so cause a NULL pointer
dereference later.
Even if the probability of this case is very low, fixing it made
static analyzers happy.
Solving this with of_device_get_match_data made also code simplier.
Reported-by: coverity (CID 1324133)
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add "fsl,imx6ul-usbphy" compatible string for iMX6ul usb phy
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When choose randconfig for kernel build, it reports below warning:
"warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG
which has unmet direct dependencies (USB_SUPPORT && USB && PM)"
In fact, USB_OTG is visible symbol and depends on PM, so the driver
needs to depend on it to reduce dependency problem.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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of_match_device could return NULL, and so cause a NULL pointer
dereference later.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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otg_dev->extcon was referenced before otg_dev was initialized. Fix.
Cc: <stable@vger.kernel.org> # v4.3
Fixes: a2fd2423240f ("usb: phy: omap-otg: Replace deprecated API of extcon")
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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By using the unified device property interface, the function
can be made available for all platforms and not just the
ones using DT.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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[un]register_interest and reading cable state by
name have been deprecated. Switch to new API.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The I2C core always reports the MODALIAS uevent as "i2c:<client name"
regardless if the device was registered using OF or platform code so
So the driver needs to export the I2C table and this be built into
the module or udev won't have the necessary information to auto load
the module when the device is added.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The gpio-desc migration done in v4.0 caused a regression
with legacy boots due to reversed reset logic.
e.g. omap3-beagle USB host breaks on legacy boot.
Request the reset GPIO with GPIOF_ACTIVE_LOW flag so that
it matches the driver logic and pin behaviour.
Fixes: e9f2cefb0cdc ("usb: phy: generic: migrate to gpio_desc")
Cc: <stable@vger.kernel.org> # 4.0+
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix build errors that happen when USB_QCOM_8X16_PHY=y and EXTCON=m:
drivers/built-in.o: In function `phy_8x16_init':
phy-qcom-8x16-usb.c:(.text+0x86ef4): undefined reference to `extcon_get_cable_state'
drivers/built-in.o: In function `phy_8x16_probe':
phy-qcom-8x16-usb.c:(.text+0x870bf): undefined reference to `extcon_get_edev_by_phandle'
phy-qcom-8x16-usb.c:(.text+0x87133): undefined reference to `extcon_register_interest'
phy-qcom-8x16-usb.c:(.text+0x87151): undefined reference to `extcon_unregister_interest'
drivers/built-in.o: In function `phy_8x16_remove':
phy-qcom-8x16-usb.c:(.text+0x872ec): undefined reference to `extcon_unregister_interest'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Replace redundant variable use in return statement.
Signed-off-by: Saurabh Karajgaonkar <skarajga@visteon.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Replace redundant variable use in return statement.
Signed-off-by: Saurabh Karajgaonkar <skarajga@visteon.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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apq8016-sbc board is using Dual SPDT USB Switch (TC7USB40MU),
witch is controlled by GPIO to de/multiplex D+/D- USB lines to
USB2513B Hub and uB connector. Add support for this.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Driver handles PHY initialization, clock management, power
management and workarounds required after resetting the hardware.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.
Currently this parameter is made optional with the help of a cpp trick.
To allow dropping this hack convert callers to explictly pass a value
for flags.
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch removes the deprecated notifier API of extcon framwork
and then use the new extcon API with the unique id to indicate
the each external connector (USB, USB-HOST).
Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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deprecated API
This patch uses the devm_extcon_dev_[allocate|register]() to manage the
resource automatically and replace deprecated API as following:
- extcon_[set|get]_cable_state(*edev, char *) -> extcon_[set|get]_cable_state_(*edev, id)
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch removes the deprecated notifier API of extcon framwork
and then use the new extcon API with the unique id to indicate
the each external connector (USB, USB-HOST).
Alter deprecated API as following:
- extcon_register_interest() -> extcon_register_notifier()
- extcon_get_cable_state(*edev, char *) -> extcon_get_cable_state_(*edev, id)
[ balbi@ti.com : fix build break ]
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Triggering suspend to RAM via sysfs on a i.MX28 causes a NULL pointer
dereference. This patch avoids the oops in mxs_phy_get_vbus_status()
by aborting since there is no syscon available.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Fixes: efdbd3a5d6e ("usb: phy: mxs: do not set PWD.RXPWD1PT1 for low speed connection")
CC: <stable@vger.kernel.org> # 4.0
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 4.2-rc1. As is normal these days, the
majority of changes are in the gadget drivers, with a bunch of other
small driver changes.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
usb: dwc3: Use ASCII space in Kconfig
usb: chipidea: add work-around for Marvell HSIC PHY startup
usb: chipidea: allow multiple instances to use default ci_default_pdata
dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
phy: add Marvell HSIC 28nm PHY
phy: Add Marvell USB 2.0 OTG 28nm PHY
dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
USB: ssb: use devm_kzalloc
USB: ssb: fix error handling in ssb_hcd_create_pdev()
usb: isp1760: check for null return from kzalloc
cdc-acm: Add support of ATOL FPrint fiscal printers
usb: chipidea: usbmisc_imx: Remove unneeded semicolon
USB: usbtmc: add device quirk for Rigol DS6104
USB: serial: mos7840: Use setup_timer
phy: twl4030-usb: add ABI documentation
phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
phy: twl4030-usb: make runtime pm more reliable.
drivers:usb:fsl: Fix compilation error for fsl ehci drv
usb: renesas_usbhs: Don't disable the pipe if Control write status stage
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver pull request for 4.2-rc1.
Lots of mei, extcon, coresight, uio, mic, and other driver updates in
here. Full details in the shortlog. All of these have been in
linux-next for some time with no reported problems"
* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
mei: me: wait for power gating exit confirmation
mei: reset flow control on the last client disconnection
MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
misc: sram: sort and clean up included headers
misc: sram: move reserved block logic out of probe function
misc: sram: add private struct device and virt_base members
misc: sram: report correct SRAM pool size
misc: sram: bump error message level on unclean driver unbinding
misc: sram: fix device node reference leak on error
misc: sram: fix enabled clock leak on error path
misc: mic: Fix reported static checker warning
misc: mic: Fix randconfig build error by including errno.h
uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
uio: pruss: Add CONFIG_HAS_IOMEM dependence
uio: pruss: Include <linux/sizes.h>
extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
parport: check exclusive access before register
w1: use correct lock on error in w1_seq_show()
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'enum extcon' type
This patch just redefine the unique id of supported external connectors without
'enum extcon' type. Because unique id would be used on devictree file(*.dts) to
indicate the specific external connectors like key number of input framework.
So, I have the plan to move this definitions to following header file which
includes the unique id of supported external connectors.
- include/dt-bindings/extcon/extcon.h
Fixes: 2a9de9c0f08d ("extcon: Use the unique id for external connector instead of string")
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This resolves a merge issue in musb_core.c and we want the fixes that
were in Linus's tree in this branch as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.2 merge window
- dwc2 adds hibernation support
- preparation for sunxi glue to musb driver
- new ULPI bus
- new ULPI PHY driver for TUSB1210
- musb patches to support multiple DMA engines on same binary
- support for R-Car E2 on renesas_usbhs
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Split the "get phy from device_node" functionality out of
"get phy by phandle" so it can be used directly.
This is useful when a battery-charger is intimately associated with a
particular phy but handled by a separate driver. The charger
can find the device_node based on sibling relationships
without the need for a redundant declaration in the devicetree
description.
As a peripheral that gets a phy will often want to register a
notifier block, and de-register it later, that functionality
is included so the de-registration is automatic.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.
So pass the IRQF_ONESHOT flag in this case.
The semantic patch that makes this change is available
in scripts/coccinelle/misc/irqf_oneshot.cocci.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Colin Ian King
Jaret Cantu
Robert Jarzmik
Wei Yongjun
Arnd Bergmann
Sandhya Bankar
Hans de Goede
Felipe Balbi
Tony Lindgren
Maarten ter Huurne
Bjorn Helgaas
Ivan T. Ivanov
Li Jun
Srinivas Kandagatla
Bin Liu
Geert Uytterhoeven
LABBE Corentin
Peter Chen
Aaro Koskinen
Heikki Krogerus
Javier Martinez Canillas
Roger Quadros
Randy Dunlap
Saurabh Karajgaonkar
Uwe Kleine-König
Chanwoo Choi
Stefan Wahren
Linus Torvalds
Greg Kroah-Hartman
NeilBrown
Fabio Estevam