Re: [PATCH v4 08/15] rtc: rzn1: Use pm_runtime_put_sync() in rzn1_rtc_disable_hardware()

"Lad, Prabhakar" <[email protected]> Thu, 20 Aug 2026 19:43:24 +0100

Newsgroups	dev.linux.lists.sashiko-reviews,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-rtc
Message-ID	<CA+V-a8sTK-6Tw36XN1NboyPx9RbP38x_7DrMUL6DiCqi6GxXqg@mail.gmail.com>

Hi Wolfram,

On Wed, Aug 19, 2026 at 2:07 PM Wolfram Sang
<[email protected]> wrote:
>
>
> > [Severity: Medium]
> > This is a pre-existing issue, but while reviewing this file I noticed a
> > potential race condition in rzn1_rtc_set_alarm() that could lead to
> > spurious hardware interrupts and lockless torn reads of rtc->tm_alarm.
>
> Same issue as before? Just disable the irq before updating the regs?
>
Ack.

Cheers,
Prabhakar