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a67462fc9d
pci_ioremap_bar() and pci_ioremap_wc_bar() shared similar implementations but differed in unimportant ways. Align them by adding a shared helper, __pci_ioremap_resource(). Upgrade warning message to error level, since it indicates a driver defect. Remove WARN_ON() from WC path in favor of the error message. [bhelgaas: commit log, use ioremap() since pci_iomap_range() doesn't add anything] Link: https://lore.kernel.org/r/20210713102436.304693-1-kw@linux.com Signed-off-by: Krzysztof Wilczyński <kw@linux.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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.