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fd4495e57c
SRIOV doesn't implement PMC capability of PCIe, so it can't update power state by reading PMC register. Currently, amdgpu driver doesn't disable pci device when removing driver, the enable_cnt of pci device will not be decrease to 0. When reloading driver, pci_enable_device will do nothing as enable_cnt is not zero. And power state will not be updated as PMC is not support. So current_state of pci device is not D0 state and pci_enable_msi return fail. Add pci_disable_device when remmoving driver to fix the issue. Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.