On Thu, Jan 25, 2018 at 06:45:05PM +0800, Jia-Ju Bai wrote: > After checking all possible call chains to pdc_adjust_pll and > pdc_detect_pll_input_clock, > my tool finds that these functions are never called in atomic context, > namely never in an interrupt handler or holding a spinlock. > And their caller functions pdc2027x_init_one and pdc2027x_reinit_one > calls pci_enable_device which can sleep, and no spinlock is held when > calling pdc_adjust_pll and pdc_detect_pll_input_clock, > so it proves that pdc_adjust_pll and pdc_detect_pll_input_clock > can call functions which can sleep. > Thus mdelay can be replaced with msleep to avoid busy wait. > > Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx> Applied to libata/for-4.16. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html