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pci_epf_alloc_space() already performs checks on the requested BAR size, and will allocate and set epf_bar->size to a size higher than the requested BAR size if some constraint deems it necessary. However, there are additional checks done in the function drivers like pci-epf-test.c, other than the existing checks in this API. And similar checks are proposed to other endpoint function drivers, see: https://lore.kernel.org/linux-pci/20240108151015.2030469-1-Frank.Li@nxp.com Having these checks scattered over different locations in multiple EPF drivers is not maintainable and makes the code hard to follow. Since pci_epf_alloc_space() already performs roundups and some checks, let's move the additional checks from pci-epf-test.c to pci_epf_alloc_space(). This makes the API more robust and also offloads the checks from the function drivers. Signed-off-by: Niklas Cassel <cassel@kernel.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://lore.kernel.org/r/20240207213922.1796533-3-cassel@kernel.org [mani: reworded commit message and fixed uninitialized 'dev' pointer issue] Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.