On Wed, 2019-10-09 at 21:10 +0200, Arnd Bergmann wrote: > We no longer need the rtc compat handling to be in common code, now that > all drivers are either moved to the rtc-class framework, or (rarely) > exist in drivers/char for architectures without compat mode (m68k, > alpha and ia64, respectively). > > I checked the list of ioctl commands in drivers, and the ones that are > not already handled are all compatible, again with the one exception of > m68k driver, which implements RTC_PLL_GET and RTC_PLL_SET, but has no > compat mode. > > Since the ioctl commands are either compatible or differ in both structure > and command code between 32-bit and 64-bit, we can merge the compat > handler into the native one and just implement the two common compat > commands (RTC_IRQP_READ, RTC_IRQP_SET) there. [...] I don't think this can work properly on s390, because some of them take integers and some take pointers. Ben. -- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom
