linux-dev/drivers/usb/common, branch master

usb: ulpi: use DEFINE_SHOW_ATTRIBUTE to simplify ulpi_regs

2022-09-27T08:36:54Z

Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code. No functional change. Signed-off-by: Liu Shixin Acked-by: Heikki Krogerus Link: https://lore.kernel.org/r/20220922142505.3248167-1-liushixin2@huawei.com Signed-off-by: Greg Kroah-Hartman

usb: common: debug: Check non-standard control requests

2022-08-19T09:04:25Z

Previously usb_decode_ctrl() only decodes standard control requests, but it was used for non-standard requests also. If it's non-standard or unknown standard bRequest, print the Setup data values. Fixes: af32423a2d86 ("usb: dwc3: trace: decode ctrl request") Signed-off-by: Thinh Nguyen Link: https://lore.kernel.org/r/8d6a30f2f2f953eff833a5bc5aac640a4cc2fc9f.1658971571.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman

usb: common: usb-conn-gpio: Simplify some error message

2022-08-18T19:16:02Z

dev_err_probe() already prints the error code in a human readable way, so there is no need to duplicate it as a numerical value at the end of the message. Reviewed-by: Chunfeng Yun Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/7505a9dfa1e097070c492d6f6f84afa2a490b040.1659763173.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman

usb: common: usb-conn-gpio: Allow wakeup from system suspend

2022-06-10T09:48:41Z

Currently the VBUS/ID detection interrupts are disabled during system suspend. So the USB cable connect/disconnect event can't wakeup the system from low power mode. To allow this, we keep these interrupts enabled and configure them as wakeup capable. This behavior can be controlled through device wakeup source policy by the user space. Signed-off-by: Prashanth K Link: https://lore.kernel.org/r/1653634146-12215-1-git-send-email-quic_prashk@quicinc.com Signed-off-by: Greg Kroah-Hartman

usb: common: usb-conn-gpio: Make VBUS supply completely optional

2022-03-15T17:22:15Z

It makes sense that if the USB connector is a child of an USB port providing VBUS supply, there is no need to do it again. But this does not handle the case where VBUS is controlled by PWR from USB host controller, without any regulator at all. Support this by making VBUS pure optional. Signed-off-by: Alexander Stein Link: https://lore.kernel.org/r/20220309093842.113260-1-alexander.stein@ew.tq-group.com Signed-off-by: Greg Kroah-Hartman

usb: ulpi: Add debugfs support

2022-02-14T10:05:41Z

This adds a debugfs file for ULPI devices which contains a dump of their registers. This is useful for debugging basic connectivity problems. The file is created in ulpi_register because many devices will never have a driver bound (as they are managed in hardware by the USB controller device). The root directory of this subsystem is created before we register the bus to ensure that devices can always create their directories. Signed-off-by: Sean Anderson Reviewed-by: Heikki Krogerus Link: https://lore.kernel.org/r/20220127190004.1446909-4-sean.anderson@seco.com Signed-off-by: Greg Kroah-Hartman

usb: ulpi: Call of_node_put correctly

2022-01-31T13:11:20Z

of_node_put should always be called on device nodes gotten from of_get_*. Additionally, it should only be called after there are no remaining users. To address the first issue, call of_node_put if later steps in ulpi_register fail. To address the latter, call put_device if device_register fails, which will call ulpi_dev_release if necessary. Fixes: ef6a7bcfb01c ("usb: ulpi: Support device discovery via DT") Cc: stable Reviewed-by: Heikki Krogerus Signed-off-by: Sean Anderson Link: https://lore.kernel.org/r/20220127190004.1446909-3-sean.anderson@seco.com Signed-off-by: Greg Kroah-Hartman

usb: ulpi: Move of_node_put to ulpi_dev_release

2022-01-31T13:11:16Z

Drivers are not unbound from the device when ulpi_unregister_interface is called. Move of_node-freeing code to ulpi_dev_release which is called only after all users are gone. Fixes: ef6a7bcfb01c ("usb: ulpi: Support device discovery via DT") Cc: stable Reviewed-by: Heikki Krogerus Signed-off-by: Sean Anderson Link: https://lore.kernel.org/r/20220127190004.1446909-2-sean.anderson@seco.com Signed-off-by: Greg Kroah-Hartman

usb: common: ulpi: Fix crash in ulpi_match()

2022-01-26T12:42:05Z

Commit 7495af930835 ("ARM: multi_v7_defconfig: Enable drivers for DragonBoard 410c") enables the CONFIG_PHY_QCOM_USB_HS for the ARM multi_v7_defconfig. Enabling this Kconfig is causing the kernel to crash on the Tegra20 Ventana platform in the ulpi_match() function. The Qualcomm USB HS PHY driver that is enabled by CONFIG_PHY_QCOM_USB_HS, registers a ulpi_driver but this driver does not provide an 'id_table', so when ulpi_match() is called on the Tegra20 Ventana platform, it crashes when attempting to deference the id_table pointer which is not valid. The Qualcomm USB HS PHY driver uses device-tree for matching the ULPI driver with the device and so fix this crash by using device-tree for matching if the id_table is not valid. Fixes: ef6a7bcfb01c ("usb: ulpi: Support device discovery via DT") Cc: stable Signed-off-by: Jon Hunter Link: https://lore.kernel.org/r/20220117150039.44058-1-jonathanh@nvidia.com Signed-off-by: Greg Kroah-Hartman

USB: common: debug: add needed kernel.h include

2022-01-05T15:20:27Z

drivers/usb/common/debug.c was only including one usb .h file, which would then accidentally drag in other .h files that were really needed. Fix up the implict dependancy by correctly adding kernel.h to the file. Signed-off-by: Greg Kroah-Hartman