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Current suspend/resume implementation reuses the mvneta_open() and mvneta_close(), but it could be optimized to take only necessary actions during suspend/resume. One obvious problem of current implementation is: after hundreds of system suspend/resume cycles, the resume of mvneta could fail due to fragmented dma coherent memory. After this patch, the non-necessary memory alloc/free is optimized out. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.