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The function find_valid_banks() issues the Read ID (0x90) command, then compares the first byte (Manufacturer ID) of each bank with the one of bank0. This is equivalent to what nand_scan_ident() does. The number of chips is detected there, so this is unneeded. What is worse for find_valid_banks() is that, if multiple chips are connected to INTEL_CE4100 platform, it crashes the kernel by BUG(). This is what we should avoid. This function is just harmful and unneeded. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.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.