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Ben Whitten authored
A call to clk_get_rate appears to be called in the context of an interrupt, cache the bus clock for the frequency calculations in transmission. This fixes a 'BUG: scheduling while atomic' and 'WARNING: CPU: 0 PID: 777 at kernel/sched/core.c:2960 atmel_spi_unlock' Signed-off-by:
Ben Whitten <ben.whitten@lairdtech.com> Signed-off-by:
Steve deRosier <steve.derosier@lairdtech.com> Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by:
Mark Brown <broonie@kernel.org>
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