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511b74e7c0
ucsi_init() may be deferred as usb_role_sw may be deferred in ucsi_register_port(). This results in several PPM init failed (-517) messages maybe printed several times upon boot, like on stm32mp135f-dk board, until the role_switch driver gets probed. [ 19.880945] dwc2 49000000.usb: supply vusb_d not found, using dummy regulator [ 19.887136] dwc2 49000000.usb: supply vusb_a not found, using dummy regulator [ 19.975432] ucsi-stm32g0-i2c 0-0053: PPM init failed (-517) [ 20.155746] dwc2 49000000.usb: EPs: 9, dedicated fifos, 952 entries in SPRAM [ 20.175429] ucsi-stm32g0-i2c 0-0053: PPM init failed (-517) [ 20.184242] dwc2 49000000.usb: DWC OTG Controller Adopt dev_err_probe() instead of dev_err(), to only print other errors. Also print an error in case the wait count has expired. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Link: https://lore.kernel.org/r/20230412161734.3425090-1-fabrice.gasnier@foss.st.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.