On Thu, Oct 25, 2012 at 09:56:01AM -0700, Brian Norris wrote: > devres functions are intended for simplified cleanup of memory and other > software resources on device exit, not for hardware shutdown sequences. > In addition, inducing hardware activity at device removal hamstrings > some drivers (particularly ahci_platform) so that they cannot totally > power off their hardware before removal, as devres cleanup occurs after > the driver's exit() sequence. > > More concretely, I experience the following bus error when using rmmod > to remove (and power off) the SATA block on my SoC: Shouldn't poweroff happen from ->port/host_stop()? Thanks. -- tejun
