Messages in this thread | | | Date | Sun, 05 Jul 2020 11:28:56 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH] tty: serial: meson_uart: Init port lock early |
| |
On 2020-07-05 11:07, Andy Shevchenko wrote: > On Sun, Jul 5, 2020 at 12:32 PM Marc Zyngier <maz@kernel.org> wrote: >> >> The meson UART driver triggers a lockdep splat at boot time, due >> to the new expectation that the driver has to initialize the >> per-port spinlock itself. >> >> It remains unclear why a double initialization of the port >> spinlock is a desirable outcome, but in the meantime let's >> fix the splat. >> > > Thanks! > > Can you test patch from [1] if it helps and doesn't break anything in > your case? > > [1]: > https://lore.kernel.org/linux-serial/20200217114016.49856-1-andriy.shevchenko@linux.intel.com/T/#m9255e2a7474b160e66c7060fca5323ca3df49cfd
On its own, this patch doesn't seem to cure the issue (and it adds a compile-time warning due to unused flags).
Or did you mean to test it in complement of my patch?
M. -- Jazz is not dead. It just smells funny...
| |