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Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/otg.c:25: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/usb/chipidea/otg.c:78: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
drivers/usb/chipidea/otg.c:143: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Peter Chen <peter.chen@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210526130037.856068-15-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Peter writes:
Below are main changes for v5.11-rc1:
For Chipidea USB2:
- Add tracepoint support for UDC
- Some tiny improvements
For Cadence USB3
- Add some quirks for host mode, and let host work well at more use cases
* SKIP_PHY_INIT
* Disable BEI
* Enable runtime PM default for i.mx platform
- Some tiny improvements
* tag 'usb-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
MAINTAINERS: Add myself as a reviewer for CADENCE USB3 DRD IP DRIVER
usb: chipidea: ci_hdrc_imx: Use of_device_get_match_data()
usb: chipidea: usbmisc_imx: Use of_device_get_match_data()
usb: cdns3: fix NULL pointer dereference on no platform data
usb: chipidea: trace: fix the endian issue
usb: chipidea: add tracepoint support for udc
doc: dt-binding: cdns,usb3: add wakeup-irq
usb: cdns3: imx: enable runtime pm by default
usb: cdns3: add quirk for enable runtime pm by default
usb: cdns3: host: disable BEI support
usb: cdns3: host: add xhci_plat_priv quirk XHCI_SKIP_PHY_INIT
usb: cdns3: host: add .suspend_quirk for xhci-plat.c
usb: cdns3: Rids of duplicate error message
usb: cdns3: Add static to cdns3_gadget_exit function
The retrieval of driver data via of_device_get_match_data() can make
the code simpler.
Use of_device_get_match_data() to simplify the code.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The retrieval of driver data via of_device_get_match_data() can make
the code simpler.
Use of_device_get_match_data() to simplify the code.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The pinctrl setting may lost during the system suspend
(eg, imx7ulp), it needs to restore them after system resume.
Meanwhile, some platforms may need to set special pinctrl
for power comsumption.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
These two parameters are used to improve USB signal for board level,
in this commit, we read it from the dtb, and write to related register
during the initialization.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Peter writes:
ENDIAN issue fix and one query controller role API is introduced.
* tag 'usb-ci-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: chipidea: imx: get available runtime dr mode for wakeup setting
usb: chipidea: add query_available_role interface
Documentation: ABI: usb: chipidea: Update Li Jun's e-mail
usb: chipidea: udc: fix the ENDIAN issue
If runtime dr_mode is not dual-role, it doesn't need to enable ID
wakeup interrupt.
If runtime dr_mode is host, it doesn't need to enable VBUS
wakeup interrupt.
With these changes, the user will not get the unexpected wakeup
for single role use case. For example, the host-only use case at
Micro-AB port, the controller should not be waken up by only
plug in Micro-AB cable or the Micro-B cable with host.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The glue layer may need to know current available role to do some
setting, eg, the wakeup setting. So we add ci_hdrc_query_available_role
for that.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Descriptions were missing for 'ci' almost throughout. There was
one instance of over-documenting. Finally one function argument
was incorrectly documented (probably down to bitrot).
Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/udc.c:245: warning: Function parameter or member 'ci' not described in 'hw_port_is_high_speed'
drivers/usb/chipidea/udc.c:271: warning: Function parameter or member 'ci' not described in 'hw_test_and_clear_intr_active'
drivers/usb/chipidea/udc.c:285: warning: Function parameter or member 'ci' not described in 'hw_test_and_clear_setup_guard'
drivers/usb/chipidea/udc.c:296: warning: Function parameter or member 'ci' not described in 'hw_test_and_set_setup_guard'
drivers/usb/chipidea/udc.c:321: warning: Function parameter or member 'ci' not described in 'hw_usb_reset'
drivers/usb/chipidea/udc.c:628: warning: Excess function parameter 'ci' description in 'free_pending_td'
drivers/usb/chipidea/udc.c:655: warning: Function parameter or member 'hwep' not described in '_hardware_dequeue'
drivers/usb/chipidea/udc.c:655: warning: Excess function parameter 'gadget' description in '_hardware_dequeue'
Cc: Peter Chen <Peter.Chen@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-18-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Help with adding the odd description where they have been omitted or
where the format isn't quite right. Demote all function headers which
are lacking any attempt of describing their arguments.
Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/udc.c:645: warning: Function parameter or member 'hwreq' not described in '_hardware_dequeue'
drivers/usb/chipidea/udc.c:645: warning: Excess function parameter 'gadget' description in '_hardware_dequeue'
drivers/usb/chipidea/udc.c:1326: warning: Function parameter or member 'ep' not described in 'ep_enable'
drivers/usb/chipidea/udc.c:1326: warning: Function parameter or member 'desc' not described in 'ep_enable'
drivers/usb/chipidea/udc.c:1393: warning: Function parameter or member 'ep' not described in 'ep_disable'
drivers/usb/chipidea/udc.c:1433: warning: Function parameter or member 'ep' not described in 'ep_alloc_request'
drivers/usb/chipidea/udc.c:1433: warning: Function parameter or member 'gfp_flags' not described in 'ep_alloc_request'
drivers/usb/chipidea/udc.c:1454: warning: Function parameter or member 'ep' not described in 'ep_free_request'
drivers/usb/chipidea/udc.c:1454: warning: Function parameter or member 'req' not described in 'ep_free_request'
drivers/usb/chipidea/udc.c:1488: warning: Function parameter or member 'ep' not described in 'ep_queue'
drivers/usb/chipidea/udc.c:1488: warning: Function parameter or member 'req' not described in 'ep_queue'
drivers/usb/chipidea/udc.c:1488: warning: Function parameter or member 'gfp_flags' not described in 'ep_queue'
drivers/usb/chipidea/udc.c:1512: warning: Function parameter or member 'ep' not described in 'ep_dequeue'
drivers/usb/chipidea/udc.c:1512: warning: Function parameter or member 'req' not described in 'ep_dequeue'
drivers/usb/chipidea/udc.c:1556: warning: Function parameter or member 'ep' not described in 'ep_set_halt'
drivers/usb/chipidea/udc.c:1556: warning: Function parameter or member 'value' not described in 'ep_set_halt'
drivers/usb/chipidea/udc.c:1566: warning: Function parameter or member 'ep' not described in 'ep_set_wedge'
drivers/usb/chipidea/udc.c:1586: warning: Function parameter or member 'ep' not described in 'ep_fifo_flush'
drivers/usb/chipidea/udc.c:1610: warning: cannot understand function prototype: 'const struct usb_ep_ops usb_ep_ops = '
drivers/usb/chipidea/udc.c:1629: warning: Function parameter or member '_gadget' not described in 'ci_hdrc_gadget_connect'
drivers/usb/chipidea/udc.c:1629: warning: Function parameter or member 'is_active' not described in 'ci_hdrc_gadget_connect'
drivers/usb/chipidea/udc.c:1780: warning: cannot understand function prototype: 'const struct usb_gadget_ops usb_gadget_ops = '
drivers/usb/chipidea/udc.c:1931: warning: Function parameter or member 'gadget' not described in 'ci_udc_stop'
drivers/usb/chipidea/udc.c:1965: warning: Function parameter or member 'ci' not described in 'udc_irq'
drivers/usb/chipidea/udc.c:2095: warning: Function parameter or member 'ci' not described in 'ci_hdrc_gadget_destroy'
drivers/usb/chipidea/udc.c:2144: warning: Function parameter or member 'ci' not described in 'ci_hdrc_gadget_init'
Cc: Peter Chen <Peter.Chen@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-13-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Looks like a very popular argument to omit descriptions for.
Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/udc.c:80: warning: Function parameter or member 'ci' not described in 'hw_device_state'
drivers/usb/chipidea/udc.c💯 warning: Function parameter or member 'ci' not described in 'hw_ep_flush'
drivers/usb/chipidea/udc.c:121: warning: Function parameter or member 'ci' not described in 'hw_ep_disable'
drivers/usb/chipidea/udc.c:136: warning: Function parameter or member 'ci' not described in 'hw_ep_enable'
drivers/usb/chipidea/udc.c:170: warning: Function parameter or member 'ci' not described in 'hw_ep_get_halt'
drivers/usb/chipidea/udc.c:185: warning: Function parameter or member 'ci' not described in 'hw_ep_prime'
drivers/usb/chipidea/udc.c:215: warning: Function parameter or member 'ci' not described in 'hw_ep_set_halt'
drivers/usb/chipidea/udc.c:238: warning: Function parameter or member 'ci' not described in 'hw_port_is_high_speed'
drivers/usb/chipidea/udc.c:251: warning: Function parameter or member 'ci' not described in 'hw_test_and_clear_complete'
drivers/usb/chipidea/udc.c:263: warning: Function parameter or member 'ci' not described in 'hw_test_and_clear_intr_active'
drivers/usb/chipidea/udc.c:277: warning: Function parameter or member 'ci' not described in 'hw_test_and_clear_setup_guard'
drivers/usb/chipidea/udc.c:288: warning: Function parameter or member 'ci' not described in 'hw_test_and_set_setup_guard'
drivers/usb/chipidea/udc.c:300: warning: Function parameter or member 'ci' not described in 'hw_usb_set_address'
drivers/usb/chipidea/udc.c:312: warning: Function parameter or member 'ci' not described in 'hw_usb_reset'
Cc: Peter Chen <Peter.Chen@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-12-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
No attempt has been made to document any of the demoted functions here.
Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/debug.c:25: warning: Function parameter or member 's' not described in 'ci_device_show'
drivers/usb/chipidea/debug.c:25: warning: Function parameter or member 'data' not described in 'ci_device_show'
drivers/usb/chipidea/debug.c:54: warning: Function parameter or member 's' not described in 'ci_port_test_show'
drivers/usb/chipidea/debug.c:54: warning: Function parameter or member 'data' not described in 'ci_port_test_show'
drivers/usb/chipidea/debug.c:75: warning: Function parameter or member 'file' not described in 'ci_port_test_write'
drivers/usb/chipidea/debug.c:75: warning: Function parameter or member 'ubuf' not described in 'ci_port_test_write'
drivers/usb/chipidea/debug.c:75: warning: Function parameter or member 'count' not described in 'ci_port_test_write'
drivers/usb/chipidea/debug.c:75: warning: Function parameter or member 'ppos' not described in 'ci_port_test_write'
drivers/usb/chipidea/debug.c:122: warning: Function parameter or member 's' not described in 'ci_qheads_show'
drivers/usb/chipidea/debug.c:122: warning: Function parameter or member 'data' not described in 'ci_qheads_show'
drivers/usb/chipidea/debug.c:154: warning: Function parameter or member 's' not described in 'ci_requests_show'
drivers/usb/chipidea/debug.c:154: warning: Function parameter or member 'data' not described in 'ci_requests_show'
Cc: Peter Chen <Peter.Chen@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-11-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Firstly we add some missing descriptions. Then we fix some formatting
issues. Kerneldoc expects arguments to be in the format '@.*: '. If
either the '@' or ':' is omitted, kerneldoc gets confused.
Fixes the following W=1 kernel build warning(s):
drivers/usb/chipidea/otg.c:29: warning: Function parameter or member 'ci' not described in 'hw_read_otgsc'
drivers/usb/chipidea/otg.c:82: warning: Function parameter or member 'ci' not described in 'hw_write_otgsc'
drivers/usb/chipidea/otg.c:235: warning: Function parameter or member 'ci' not described in 'ci_hdrc_otg_init'
drivers/usb/chipidea/otg.c:254: warning: Function parameter or member 'ci' not described in 'ci_hdrc_otg_destroy'
Cc: Peter Chen <Peter.Chen@nxp.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200703174148.2749969-10-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Peter writes:
- Some improvments for ci_hdrc_usb2.c
- Support imx7d USB charger
- Add software sg support for UDC
- Enable user trigger role switch
* tag 'usb-ci-v5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
usb: chipidea: Enable user-space triggered role-switching
usb: chipidea: udc: add software sg list support
usb: chipidea: usbmisc_imx: using different ops for imx7d and imx7ulp
usb: chipidea: pull down dp for possible charger detection operation
usb: chipidea: introduce imx7d USB charger detection
usb: chipidea: introduce CI_HDRC_CONTROLLER_VBUS_EVENT glue layer use
usb: chipidea: usb2: remove unneeded semicolon
usb: chipidea: allow disabling glue drivers if EMBEDDED
usb: chipidea: usb2: absorb zevio glue driver
usb: chipidea: usb2: make clock optional
usb: chipidea: usb2: fix formatting
usb: chipidea: usb2: constify zynq_pdata
usb: chipidea: core: show the real pointer value for register
usb: chipidea: core: refine the description for this driver
usb: chipidea: udc: fix the kernel doc for udc.h
imx7ulp uses different USB PHY with imx7d (MXS PHY vs PICO PHY), so the
features are supported by non-core register are a little different.
For example, autoresume feature is supported by all controllers for
imx7ulp, but for imx7d, it is only supported by non-HSIC controller.
Besides, these two platforms use different HSIC controller, imx7ulp
needs software operation, but imx7d doesn't.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
The bootloader may use device mode, and keep dp up. We need dp
to be pulled down before possbile charger detection operation.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
imx7d (and imx8mm, imx8mn) uses Samsung PHY and USB generic PHY driver.
The USB generic PHY driver is impossible to have a charger detection
for every user, so we implement USB charger detection routine at glue
layer. After the detection has finished, it will notify USB PHY
charger framework, and the uevents will be triggered.
Signed-off-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Some vendors glue layer need to handle some events for vbus, eg,
some i.mx platforms (imx7d, imx8mm, imx8mn, etc) needs vbus event
to handle charger detection, its charger detection is finished at
glue layer code, but not at USB PHY driver.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Fix the following coccicheck warning:
drivers/usb/chipidea/ci_hdrc_usb2.c:75:28-29: Unneeded semicolon
Fixes: c2de37b31f ("usb: chipidea: usb2: make clock optional")
Reviewed-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
ZEVIO glue code is is identical to generic binding now, but doesn't
enable runtime PM. Let's squash the driver and get runtime PM for free.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Allow clock to be missing from DT (assume it's enabled then).
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
pdata is copied anyway to allow setting device name.
Make the source const.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Pull power management updates from Rafael Wysocki:
"These clean up and rework the PM QoS API, address a suspend-to-idle
wakeup regression on some ACPI-based platforms, clean up and extend a
few cpuidle drivers, update multiple cpufreq drivers and cpufreq
documentation, and fix a number of issues in devfreq and several other
things all over.
Specifics:
- Clean up and rework the PM QoS API to simplify the code and reduce
the size of it (Rafael Wysocki).
- Fix a suspend-to-idle wakeup regression on Dell XPS13 9370 and
similar platforms where the USB plug/unplug events are handled by
the EC (Rafael Wysocki).
- CLean up the intel_idle and PSCI cpuidle drivers (Rafael Wysocki,
Ulf Hansson).
- Extend the haltpoll cpuidle driver so that it can be forced to run
on some systems where it refused to load (Maciej Szmigiero).
- Convert several cpufreq documents to the .rst format and move the
legacy driver documentation into one common file (Mauro Carvalho
Chehab, Rafael Wysocki).
- Update several cpufreq drivers:
* Extend and fix the imx-cpufreq-dt driver (Anson Huang).
* Improve the -EPROBE_DEFER handling and fix unwanted CPU
overclocking on i.MX6ULL in imx6q-cpufreq (Anson Huang,
Christoph Niedermaier).
* Add support for Krait based SoCs to the qcom driver (Ansuel
Smith).
* Add support for OPP_PLUS to ti-cpufreq (Lokesh Vutla).
* Add platform specific intermediate callbacks support to
cpufreq-dt and update the imx6q driver (Peng Fan).
* Simplify and consolidate some pieces of the intel_pstate
driver and update its documentation (Rafael Wysocki, Alex
Hung).
- Fix several devfreq issues:
* Remove unneeded extern keyword from a devfreq header file and
use the DEVFREQ_GOV_UPDATE_INTERNAL event name instead of
DEVFREQ_GOV_INTERNAL (Chanwoo Choi).
* Fix the handling of dev_pm_qos_remove_request() result
(Leonard Crestez).
* Use constant name for userspace governor (Pierre Kuo).
* Get rid of doc warnings and fix a typo (Christophe JAILLET).
- Use built-in RCU list checking in some places in the PM core to
avoid false-positive RCU usage warnings (Madhuparna Bhowmik).
- Add explicit READ_ONCE()/WRITE_ONCE() annotations to low-level PM
QoS routines (Qian Cai).
- Fix removal of wakeup sources to avoid NULL pointer dereferences in
a corner case (Neeraj Upadhyay).
- Clean up the handling of hibernate compat ioctls and fix the
related documentation (Eric Biggers).
- Update the idle_inject power capping driver to use variable-length
arrays instead of zero-length arrays (Gustavo Silva).
- Fix list format in a PM QoS document (Randy Dunlap).
- Make the cpufreq stats module use scnprintf() to avoid potential
buffer overflows (Takashi Iwai).
- Add pm_runtime_get_if_active() to PM-runtime API (Sakari Ailus).
- Allow no domain-idle-states DT property in generic PM domains (Ulf
Hansson).
- Fix a broken y-axis scale in the intel_pstate_tracer utility (Doug
Smythies)"
* tag 'pm-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (78 commits)
cpufreq: intel_pstate: Simplify intel_pstate_cpu_init()
tools/power/x86/intel_pstate_tracer: fix a broken y-axis scale
ACPI: PM: s2idle: Refine active GPEs check
ACPICA: Allow acpi_any_gpe_status_set() to skip one GPE
PM: sleep: wakeup: Skip wakeup_source_sysfs_remove() if device is not there
PM / devfreq: Get rid of some doc warnings
PM / devfreq: Fix handling dev_pm_qos_remove_request result
PM / devfreq: Fix a typo in a comment
PM / devfreq: Change to DEVFREQ_GOV_UPDATE_INTERVAL event name
PM / devfreq: Remove unneeded extern keyword
PM / devfreq: Use constant name of userspace governor
ACPI: PM: s2idle: Fix comment in acpi_s2idle_prepare_late()
cpufreq: qcom: Add support for krait based socs
cpufreq: imx6q-cpufreq: Improve the logic of -EPROBE_DEFER handling
cpufreq: Use scnprintf() for avoiding potential buffer overflow
cpuidle: psci: Split psci_dt_cpu_init_idle()
PM / Domains: Allow no domain-idle-states DT property in genpd when parsing
PM / hibernate: Remove unnecessary compat ioctl overrides
PM: hibernate: fix docs for ioctls that return loff_t via pointer
Documentation: intel_pstate: update links for references
...
