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630a185fd0On some platforms, we cannot assume that the whole address decoding range value is ready for each CS. Especially for chip selects other than CS0, the address decoding range may not be properly configured before the kernel stage, or the existing configuration may be unsuitable. This can lead to SPI flash detection failures during driver probe. To ensure reliable initialization, this patch forcibly assigns a default address decoding range to each chip select based on a platform-specific minimum window size. Unused chip selects are explicitly disabled to avoid conflicts. This change improves robustness across platforms with varying bootloader behavior and ensures consistent SPI flash initialization. Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com> Link: https://patch.msgid.link/20251001112605.1130723-4-chin-ting_kuo@aspeedtech.com Signed-off-by: Mark Brown <broonie@kernel.org> |
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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.