Re: [PATCH V5 3/3] spi: spi-geni-qcom: Add SPI driver support for GENI based QUP

From: Stephen Boyd
Date: Tue Oct 09 2018 - 12:12:11 EST


Quoting Doug Anderson (2018-10-08 16:52:36)
> Hi,
>
> On Mon, Oct 8, 2018 at 4:43 PM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> > > + mas->irq = platform_get_irq(pdev, 0);
> > > + if (mas->irq < 0) {
> > > + ret = mas->irq;
> > > + dev_err(&pdev->dev, "Err getting IRQ %d\n", ret);
> > > + goto spi_geni_probe_runtime_disable;
> > > + }
> >
> > Nitpick: If you got the irq earlier before allocating anything then nothing has
> > to be put on failure path.
>
> I think this might have been in response to previous feedback from you
> suggesting that we should get the irq as late as possible. Ah, here
> ya go:
>
> https://lkml.kernel.org/r/153780767551.119890.9339380838620508307@xxxxxxxxxxxxxxxxxxxxxxxxxx

Yes I suggested we register for the irq as last as possible, but I
didn't suggest calling platform_get_irq() this late. It could be called
earlier so that if there isn't any irq then nothing to do besides return
failure.