Re: [PATCH 0/6] tty: serial: propagate errors from uart_ops.pm callback

Andy Shevchenko <[email protected]> Thu, 9 Jul 2026 13:16:08 +0300

Newsgroups	gmane.linux.kernel.samsung-soc,gmane.linux.kernel,gmane.linux.serial,gmane.linux.ports.arm.kernel,gmane.linux.ports.arm.mediatek,gmane.linux.ports.arm.msm,gmane.linux.ports.arm.omap,gmane.linux.ports.mips
Organization	Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo
Message-ID	<[email protected]>

On Thu, Jul 09, 2026 at 02:22:17PM +0530, Praveen Talari wrote:
> On 09-07-2026 12:23, Jiri Slaby wrote:
> > On 09. 07. 26, 8:25, Praveen Talari wrote:

...

> > OK, now I miss the rationale behind the patchset. Neither there is a
> > possible code path to actually test this?
> The rationale is that qcom_geni_serial_pm() calls
> pm_runtime_resume_and_get() which can fail, but its return value is
> currently discarded because the callback is void. 

So, you take the solution from a wrong end. Just get rid of .pm() in your driver.
With that, problem solved. Really, this series is a road to even more broken
PM solutions.

-- 
With Best Regards,
Andy Shevchenko