Re: [PATCH 0/6] spi: tegra-qspi: Fix race condition causing NULL pointer dereference and spurious IRQ

[Mark Brown]

On Tue, Jan 20, 2026 at 08:49:23AM -0800, Breno Leitao wrote:
> On Tue, Jan 20, 2026 at 11:22:42AM +0000, Vishwaroop A wrote:

> -       if (!tqspi->curr_xfer)
> +       if (!tqspi->curr_xfer) {
> +               /* Spurious interrupt - transfer not ready */
> +               if (!(status & QSPI_RDY))
> +                       return IRQ_HANDLED;
> +               /* Real interrupt, already handled by timeout path */
>                 return IRQ_NONE;
> +       }

IRQ_NONE means that there was no interrupt flagged by the hardware, if
there was an interrupt you should return IRQ_HANDLED.  You might confuse
genirq if you flag it spuriously.

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