Re: [PATCH v4 0/4] spi: cadence-qspi: Fix runtime PM and system-wide suspend

[Mark Brown]

On Mon, Feb 26, 2024 at 01:27:57PM +0000, Mark Brown wrote:
> On Mon, Feb 26, 2024 at 05:48:03PM +0530, Dhruva Gole wrote:
> > On Feb 22, 2024 at 19:13:29 +0000, Mark Brown wrote:

> [    1.709414] Call trace:
> [    1.711852]  __mutex_lock.constprop.0+0x84/0x540
> [    1.716460]  __mutex_lock_slowpath+0x14/0x20
> [    1.720719]  mutex_lock+0x48/0x54
> [    1.724026]  spi_controller_suspend+0x30/0x7c
> [    1.728377]  cqspi_suspend+0x1c/0x6c
> [    1.731944]  pm_generic_runtime_suspend+0x2c/0x44
> [    1.736640]  genpd_runtime_suspend+0xa8/0x254

> (it's generally helpful to provide the most relevant section directly.)

> The issue here appears to be that we've registered for runtime suspend
> prior to registering the controller...

Actually, no - after this series cqspi_suspend() is the system not
runtime PM operation and should not be called from runtime suspend.  How
is that happening?

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