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e8415a8aec
As per the current code base, feature check API is used to check the version in zynqmp_pm_pinctrl_set_config() before requesting the firmware, and if the expected version is not found then it will return an error. So now when the latest kernel tries to access the tri-state functionality with older firmware, observe failure prints during booting. The failure prints, [ 1.204850] zynqmp-pinctrl firmware:zynqmp-firmware:pinctrl: failed to set: pin 37 param 2 value 0 [ 2.699455] zynqmp-pinctrl firmware:zynqmp-firmware:pinctrl: failed to set: pin 44 param 2 value 0 [ 2.708424] zynqmp-pinctrl firmware:zynqmp-firmware:pinctrl: failed to set: pin 46 param 2 value 0 [ 2.717387] zynqmp-pinctrl firmware:zynqmp-firmware:pinctrl: failed to set: pin 48 param 2 value 0 Now, these error prints mislead the user whether it is an actual failure or the feature itself is not there in the firmware. So, just to avoid confusion around this, add some debug prints before returning an error code. With that, it is easier to know whether it is an actual failure or the feature is unsupported. Signed-off-by: Ronak Jain <ronak.jain@amd.com> Link: https://lore.kernel.org/r/20240920055410.2658465-1-ronak.jain@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com> |
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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 reStructuredText 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.