w1: mxc_w1: Enable clock before calling clk_get_rate() on it
commit 955bc613 upstream. According to the API, you may only call clk_get_rate() after actually enabling it. Found by Linux Driver Verification project (linuxtesting.org). Fixes: a5fd9139 ("w1: add 1-wire master driver for i.MX27 / i.MX31") Signed-off-by: Stefan Potyra <Stefan.Potyra@elektrobit.com> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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