The clear and set pattern is commonly used for accessing PCI config, move the helper pci_clear_and_set_dword() from aspm.c into PCI header. In addition, rename to pci_clear_and_set_config_dword() to retain the "config" information and match the other accessors. No functional change intended. Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Tested-by: Ilkka Koskinen <ilkka@os.amperecomputing.com> Link: https://lore.kernel.org/r/20231208025652.87192-4-xueshuai@linux.alibaba.com Signed-off-by: Will Deacon <will@kernel.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.
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