On Tue, Jun 02, 2020 at 11:55:15AM -0700, Tony Lindgren wrote:
> * Tony Lindgren [200602 13:38]:
> > * Andy Shevchenko [200602 08:33]:
> > Now that we can detach and reattach the kernel serial console,
> > there should not be any need for pm_runtime_irq_safe() anymore :)
>
> Below is a hastily
* Tony Lindgren [200602 13:38]:
> * Andy Shevchenko [200602 08:33]:
> Now that we can detach and reattach the kernel serial console,
> there should not be any need for pm_runtime_irq_safe() anymore :)
Below is a hastily tested RFC patch to remove pm_runtime_irq_safe()
for 8250_omap.c that seems
* Andy Shevchenko [200602 08:33]:
> On Tue, Jun 2, 2020 at 11:09 AM Johan Hovold wrote:
> > On Mon, Jun 01, 2020 at 05:18:13PM -0700, Tony Lindgren wrote:
>
> ...
>
> > There's shouldn't be anything fundamental preventing you from adding the
> > missing resume calls to the mctrl paths even if
On Tue, Jun 2, 2020 at 11:09 AM Johan Hovold wrote:
> On Mon, Jun 01, 2020 at 05:18:13PM -0700, Tony Lindgren wrote:
...
> There's shouldn't be anything fundamental preventing you from adding the
> missing resume calls to the mctrl paths even if it may require reworking
> (and fixing) the whole
On Mon, Jun 01, 2020 at 05:18:13PM -0700, Tony Lindgren wrote:
> We can get an imprecise external abort on uart_shutdown() at
> serial8250_do_set_mctrl() if the UART is autoidled.
>
> We don't want to add PM runtime calls to serial8250_do_set_mctrl()
> beyond checking the usage count as it gets
We can get an imprecise external abort on uart_shutdown() at
serial8250_do_set_mctrl() if the UART is autoidled.
We don't want to add PM runtime calls to serial8250_do_set_mctrl()
beyond checking the usage count as it gets called from interrupts
disabled and spinlock held from
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