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1d9b4abefc
ppc_comm_addr is a virtual address to the PCC space and it's annotated with __iomem. Therefore, generic_comm_base which gets assigned the value of pcc_comm_address should be annotated as well. This already happens in check_pcc_chan(), but not in send_pcc_cmd(), which results in the following sparse warnings: drivers/acpi/cppc_acpi.c:237:18: warning: cast removes address space '__iomem' of expression drivers/acpi/cppc_acpi.c:299:9: warning: incorrect type in argument 2 (different address spaces) drivers/acpi/cppc_acpi.c:299:9: expected void volatile [noderef] __iomem *addr drivers/acpi/cppc_acpi.c:299:9: got unsigned short * drivers/acpi/cppc_acpi.c:302:9: warning: incorrect type in argument 2 (different address spaces) drivers/acpi/cppc_acpi.c:302:9: expected void volatile [noderef] __iomem *addr drivers/acpi/cppc_acpi.c:302:9: got unsigned short * Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.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 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.