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100f84beee
Ensure stm32_crc_update() and stm32_crc_init() can be called in atomic context and can't sleep. Add pm_runtime_irq_safe() to make pm_runtime_get_sync() atomic. Change runtime pm to call clk_enable()/clk_disable() and change system pm to unprepare/prepare the clock and force runtime pm suspend/resume. Signed-off-by: Nicolas Toromanoff <nicolas.toromanoff@st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>