[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>
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>
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: e9f2cefb0c ("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>
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>
Replace redundant variable use in return statement.
Signed-off-by: Saurabh Karajgaonkar <skarajga@visteon.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Replace redundant variable use in return statement.
Signed-off-by: Saurabh Karajgaonkar <skarajga@visteon.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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>
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>
Since 39b2bbe3d7 (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>
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>
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>
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>
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: efdbd3a5d6 ("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>
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.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.2-rc1' of 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
...
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.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc1' of 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()
...
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: 2a9de9c0f0 ("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>
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>
- 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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Merge tag 'usb-for-v4.2' of 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>
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>
Since commit 1c6c69525b ("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>
Since commit 1c6c69525b ("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>
This patch uses the unique id to identify the type of external connector instead
of string name. The string name have the many potential issues. So, this patch
defines the 'extcon' enumeration which includes all supported external connector
on EXTCON subsystem. If new external connector is necessary, the unique id of
new connector have to be added in 'extcon' enumeration. There are current
supported external connector in 'enum extcon' as following:
enum extcon {
EXTCON_NONE = 0x0,
/* USB external connector */
EXTCON_USB = 0x1,
EXTCON_USB_HOST = 0x2,
/* Charger external connector */
EXTCON_TA = 0x10,
EXTCON_FAST_CHARGER = 0x11,
EXTCON_SLOW_CHARGER = 0x12,
EXTCON_CHARGE_DOWNSTREAM = 0x13,
/* Audio and video external connector */
EXTCON_LINE_IN = 0x20,
EXTCON_LINE_OUT = 0x21,
EXTCON_MICROPHONE = 0x22,
EXTCON_HEADPHONE = 0x23,
EXTCON_HDMI = 0x30,
EXTCON_MHL = 0x31,
EXTCON_DVI = 0x32,
EXTCON_VGA = 0x33,
EXTCON_SPDIF_IN = 0x34,
EXTCON_SPDIF_OUT = 0x35,
EXTCON_VIDEO_IN = 0x36,
EXTCON_VIDEO_OUT = 0x37,
/* Miscellaneous external connector */
EXTCON_DOCK = 0x50,
EXTCON_JIG = 0x51,
EXTCON_MECHANICAL = 0x52,
EXTCON_END,
};
For example in extcon-arizona.c:
To use unique id removes the potential issue about handling
the inconsistent name of external connector with string.
- Previously, use the string to register the type of arizona jack connector
static const char *arizona_cable[] = {
"Mechanical",
"Microphone",
"Headphone",
"Line-out",
};
- Newly, use the unique id to register the type of arizona jack connector
static const enum extcon arizona_cable[] = {
EXTCON_MECHANICAL,
EXTCON_MICROPHONE,
EXTCON_HEADPHONE,
EXTCON_LINE_OUT,
EXTCON_NONE,
};
And this patch modify the prototype of extcon_{get|set}_cable_state_() which
uses the 'enum extcon id' instead of 'cable_index'. Because although one more
extcon drivers support USB cable, each extcon driver might has the differnt
'cable_index' for USB cable. All extcon drivers can use the unique id number
for same external connector with modified extcon_{get|set}_cable_state_().
- Previously, use 'cable_index' on these functions:
extcon_get_cable_state_(struct extcon_dev*, int cable_index)
extcon_set_cable_state_(struct extcon_dev*, int cable_index, bool state)
-Newly, use 'enum extcon id' on these functions:
extcon_get_cable_state_(struct extcon_dev*, enum extcon id)
extcon_set_cable_state_(struct extcon_dev*, enum extcon id, bool state)
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[arnd: Report the build break about drivers/usb/phy/phy-tahvo.c after using the
unique id for external connector insteadf of string]
Reported-by: Arnd Bergmann <arnd@arndb.de>
[dan.carpenter: Report the build warning of extcon_{set|get}_cable_state_()]
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The phy-rcar-gen2-usb driver, which supports legacy platform data only,
is no longer used since commit a483dcbfa2 ("ARM: shmobile: lager:
Remove legacy board support").
This driver was superseded by the DT-only phy-rcar-gen2 driver, which
was introduced in commit 1233f59f74 ("phy: Renesas R-Car Gen2 PHY
driver").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.
Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The platform_device_id is not modified by the driver and core uses it as
const.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The phy-rcar-gen2-usb driver, which supports legacy platform data only,
is no longer used since commit a483dcbfa2 ("ARM: shmobile: lager:
Remove legacy board support").
This driver was superseded by the DT-only phy-rcar-gen2 driver, which
was introduced in commit 1233f59f74 ("phy: Renesas R-Car Gen2 PHY
driver").
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
VBUS is not routed to USB PHY on recent Qualcomm platforms. USB controller
must see VBUS in order to pull-up DP when setting RS bit. Henc configure
USB PHY and LINK registers sense VBUS and enable manual pullup on D+ line.
Cc: Vamsi Krishna <vskrishn@codeaurora.org>
Cc: Mayank Rana <mrana@codeaurora.org>
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
On recent Qualcomm platforms VBUS and ID lines are not routed to
USB PHY LINK controller. Use extcon framework to receive connect
and disconnect ID and VBUS notification.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The isp1301-omap driver contains special hooks for the TPS65010
power management controller. It provides its own 'tps65010_set_vbus_draw'
wrapper in case that driver is not enabled through Kconfig, but
fails to handle the case where isp1301-omap is built-in but TPS65010
is a loadable module, which currently results in a link error:
drivers/built-in.o: In function `isp1301_set_power':
:(.text+0x14e188): undefined reference to `tps65010_set_vbus_draw'
This is a workaround to use the same trick as before also when
tps65010 is a module. Doing a proper fix would require much larger
changes to the driver that is not really worth it when the usb-phy
drivers are going to eventually get replaced with generic-phy
drivers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Here's the big USB (and PHY) driver patchset for 4.1-rc1.
Everything here has been in linux-next, and the full details are below
in the shortlog. Nothing major, just the normal round of new
drivers,api updates, and other changes, mostly in the USB gadget area,
as usual.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver updates from Greg KH:
"Here's the big USB (and PHY) driver patchset for 4.1-rc1.
Everything here has been in linux-next, and the full details are below
in the shortlog. Nothing major, just the normal round of new
drivers,api updates, and other changes, mostly in the USB gadget area,
as usual"
* tag 'usb-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (252 commits)
drivers/usb/core: devio.c: Removed an uneeded space before tab
usb: dwc2: host: sleep USB_RESUME_TIMEOUT during resume
usb: chipidea: debug: add low power mode check before print registers
usb: chipidea: udc: bypass pullup DP when gadget connect in OTG fsm mode
usb: core: hub: use new USB_RESUME_TIMEOUT
usb: isp1760: hcd: use new USB_RESUME_TIMEOUT
usb: dwc2: hcd: use new USB_RESUME_TIMEOUT
usb: host: sl811: use new USB_RESUME_TIMEOUT
usb: host: r8a66597: use new USB_RESUME_TIMEOUT
usb: host: oxu210hp: use new USB_RESUME_TIMEOUT
usb: host: fusbh200: use new USB_RESUME_TIMEOUT
usb: host: fotg210: use new USB_RESUME_TIMEOUT
usb: host: isp116x: use new USB_RESUME_TIMEOUT
usb: musb: use new USB_RESUME_TIMEOUT
usb: host: uhci: use new USB_RESUME_TIMEOUT
usb: host: ehci: use new USB_RESUME_TIMEOUT
usb: host: xhci: use new USB_RESUME_TIMEOUT
usb: define a generic USB_RESUME_TIMEOUT macro
usb: musb: dsps: fix build on i386 when COMPILE_TEST is set
ehci-hub: use USB_DT_HUB
...
According to the technical update (No. TN-RCS-B011A/E), the UGSTS LOCK
bit location is bit 8, not bits 9 and 8. So, this patch fixes the
USBHS_UGSTS_LOCK value.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As usual, a big pile of commits. This time a total
of 111 non-merge commits.
Other than the usual set of cleanups and non-critical
fixes, we have some interesting work for AM335x's MUSB
babble recovery. Now that takes a lot less time and we
don't have to Reset MUSB all the time.
The printer gadget has been converted to configfs interface
and the atmel udc has learned suspend/resume with wakeup.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.1 merge window
As usual, a big pile of commits. This time a total
of 111 non-merge commits.
Other than the usual set of cleanups and non-critical
fixes, we have some interesting work for AM335x's MUSB
babble recovery. Now that takes a lot less time and we
don't have to Reset MUSB all the time.
The printer gadget has been converted to configfs interface
and the atmel udc has learned suspend/resume with wakeup.
Signed-off-by: Felipe Balbi <balbi@ti.com>
USB_ULPI_VIEWPORT didn't depend on USB_ULPI, while USB_ULPI
is using non user selectable USB_ULPI_VIEWPORT. Fix this.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The res parameter passed to devm_usb_phy_match() is the location where the
pointer to the usb_phy is stored, hence it needs to be dereferenced before
comparing to the match data in order to find the correct match.
Fixes: 410219dcd2 ("usb: otg: utils: devres: Add API's to associate a device with the phy")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: <stable@vger.kernel.org> # v3.6+
Signed-off-by: Felipe Balbi <balbi@ti.com>
This code is no longer used now that mach-msm has been removed.
Delete it.
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This code is no longer used now that mach-msm has been removed.
Delete it.
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Commit 9eb0797722 ("usb: phy: generic: fix the gpios to be optional")
calls gpiod_direction_output() in the probe function, so there is no need to
call it again, as we can simply call gpiod_set_value() directly.
Also, in usb_gen_phy_shutdown() we can simply put the GPIO directly in its
active level state and this allows us to simplify the nop_reset function to
treat only the reset case.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Fixed a comment typo in drivers/usb/phy/phy-ab8500-usb.c
Signed-off-by: Mickael Maison <mickael.maison@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This fixes a potential null pointer dereference.
Cc: <stable@vger.kernel.org> # v3.16+
Fixes: d433201391 ("driver core: dev_get_drvdata: Don't check for NULL dev")
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David Dueck <davidcdueck@googlemail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The function regulator_set_optimum_mode() is changing name to
regulator_set_load(), so update the code accordingly.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The function regulator_set_optimum_mode() is changing name to
regulator_set_load(), so update the code accordingly.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Pull kconfig updates from Michal Marek:
"Yann E Morin was supposed to take over kconfig maintainership, but
this hasn't happened. So I'm sending a few kconfig patches that I
collected:
- Fix for missing va_end in kconfig
- merge_config.sh displays used if given too few arguments
- s/boolean/bool/ in Kconfig files for consistency, with the plan to
only support bool in the future"
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: use va_end to match corresponding va_start
merge_config.sh: Display usage if given too few arguments
kconfig: use bool instead of boolean for type definition attributes
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.20 merge window
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since commit e9f2cefb0c ("usb: phy: generic: migrate to gpio_desc") a
kernel hang is observed on imx51-babbage board:
[ 1.392824] ci_hdrc ci_hdrc.1: doesn't support gadget
[ 1.397975] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 1.403205] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[ 1.422335] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 1.432962] hub 1-0:1.0: USB hub found
[ 1.437119] hub 1-0:1.0: 1 port detected
This hang happens because the reset GPIO stays at logic level 0.
The USB PHY reset gpio is defined in the dts file as:
reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
, which means it is active low, so what the gpio reset pin needs to do in this
case is the following:
- Go to logic level 0 to reset the USB PHY
- Stay at 0 for a bit
- Go back to logic level 1
When switching to gpiod API we need to following according to
Documentation/gpio/consumer.txt:
"The first thing a driver must do with a GPIO is setting its direction. If no
direction-setting flags have been given to gpiod_get*(), this is done by
invoking one of the gpiod_direction_*() functions:
int gpiod_direction_input(struct gpio_desc *desc)
int gpiod_direction_output(struct gpio_desc *desc, int value)"
Since no direction-setting flags have been given to devm_gpiod_get_optional()
in our case, we need to use gpiod_direction_output to comply with the gpiod API.
With this change the USB PHY reset performs a proper reset, the kernel boots
fine and USB host is functional.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Declare the interrupt as "one shot" so that it is masked until the end
of the threaded handler. This prevents the irq core from spitting out an
error :
"Threaded irq requested with handler=NULL and !ONESHOT for irq 63"
This was introduced by commit "usb: phy: generic: add vbus support".
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Ivan T. Ivanov