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.bell...@free-electrons.com> --- drivers/clk/at91/clk-main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c index 733306131b99..59fa3cc96c9e 100644 --- a/drivers/clk/at91/clk-main.c +++ b/drivers/clk/at91/clk-main.c @@ -388,6 +388,7 @@ static unsigned long clk_main_recalc_rate(struct at91_pmc *pmc, if (parent_rate) return parent_rate; + pr_warn("Main crystal frequency not set, using approximate value\n"); tmp = pmc_read(pmc, AT91_CKGR_MCFR); if (!(tmp & AT91_PMC_MAINRDY)) return 0; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/