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[ Upstream commitd75404cc08] Hardware supports PCIe Hot Reset via PCIE_CTRL_OFF register. Use it for implementing PCI_BRIDGE_CTL_BUS_RESET bit of PCI_BRIDGE_CONTROL register on emulated bridge. With this change the function pci_reset_secondary_bus() starts working and can reset connected PCIe card. Link: https://lore.kernel.org/r/20211125124605.25915-13-pali@kernel.org Fixes:1f08673eef("PCI: mvebu: Convert to PCI emulated bridge config space") Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sasha Levin <sashal@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.