On Wed, 2021-02-03 at 11:56 +0200, Adrian Hunter wrote: > > > > Hallo Adrian > > Hi Bean > > Thanks for the review > > > > > Would you like sharing the advantage of this debugfs node comparing > > to > > sysfs node "attributes/exception_event_control(if it is writable)"? > > Primarily this is being done as a debug interface, but the user's > exception > events also need to be kept separate from the driver's ones. > > > what is the value of this? > > To be able to determine if the UFS device is being affected by > exception events. > > > Also, now I can disable/enable UFS event over ufs-bsg. > > That will be overwritten by the driver when it updates the e.g. bkops > control, or sometimes also suspend/resume.
Hi Adrian yes, I saw that, they are not tracked by driver. I have one question that why "exception_event_mask" cannot represent the current QUERY_ATTR_IDN_EE_CONTROL value? only after writing it. thanks, Bean
