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eeeec6c547
Since MIPI I3C HCI specification version v0.8 INTR_STATUS bits 9:0 are reserved. Version v0.5 has bits 9 and 5:0 in use but not handled by the current driver code and not needed in DMA transfers. PIO transfers with v0.5 would require changes to both core.c: i3c_hci_irq_handler() and pio.c: hci_pio_irq_handler() though. For these reasons don't enable signal updates from INTR_STATUS bits 9:0. It allow to get rid of "unexpected INTR_STATUS" error messages on old v0.5 IP version and is a no-op for later versions starting from v0.8. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20250409140401.299251-1-jarkko.nikula@linux.intel.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.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.