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When grouping devices, the ccwgroup core only checks whether all of the devices are bound to the same ccw_driver. It has no means of checking if the requesting ccwgroup driver actually supports this device type. qeth implements its own device matching in qeth_core_probe_device(), while ctcm and lcs currently have no sanity-checking at all. Enable ccwgroup drivers to optionally defer the device type checking to the ccwgroup core, by specifying their supported ccw_driver. This allows us drop the device type matching from qeth, and improves the robustness of ctcm and lcs. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.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.