forked from luck/tmp_suning_uos_patched
clk: at91: main: warn when the main crystal frequency is not set
When the main crystal frequency is not set, the main clock is approximated using the MAINF value in the CKGR_MCFR register. Warn the user in that case. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@overkiz.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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@ -388,6 +388,7 @@ static unsigned long clk_main_recalc_rate(struct at91_pmc *pmc,
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if (parent_rate)
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return parent_rate;
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pr_warn("Main crystal frequency not set, using approximate value\n");
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tmp = pmc_read(pmc, AT91_CKGR_MCFR);
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if (!(tmp & AT91_PMC_MAINRDY))
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return 0;
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