Hi, On Wed, May 18, 2022 at 3:04 PM Brian Norris <briannorris@xxxxxxxxxxxx> wrote: > > From: Dmitry Torokhov <dtor@xxxxxxxxxxxx> > > initcall_debug shows that OHCI controllers take ~60ms to probe on > Rockchip RK3399 systems: > > probe of fe3a0000.usb returned 1 after 58941 usecs > > A few of these can add up to waste non-trivial amounts of time at boot. > > These host controllers don't provide resources to other drivers, so > this shouldn't contribute to exposing race conditions. > > Chrome OS kernels have carried this patch on some systems for a while > without issues. Similar patches have been merged for a variety of (e)MMC > host controllers for similar reasons. > > Signed-off-by: Dmitry Torokhov <dtor@xxxxxxxxxxxx> > [Brian: rewrote commit message, refreshed, but retained dtor's original > authorship ] > Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx> > --- > > drivers/usb/host/ehci-platform.c | 1 + > drivers/usb/host/ohci-platform.c | 1 + > 2 files changed, 2 insertions(+) Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
