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c338d59d12
According to the AR7242 datasheet section 2.8, AR724X CPUs use a 40MHz input clock as the REF_CLK instead of 5MHz. The correct CPU PLL calculation procedure is as follows: CPU_PLL = (FB * REF_CLK) / REF_DIV / 2. This patch is compatible with the current calculation procedure with default FB and REF_DIV values. Tested on AR7240, AR7241 and AR7242. Signed-off-by: Weijie Gao <hackpascal@gmail.com> Signed-off-by: Alban Bedel <albeu@free.fr> (Fixed the commit log message) Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12870/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>