From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Cc: Jens Axboe <axboe@kernel.dk>, linux-ide@vger.kernel.org
Subject: Re: [PATCH] sata_highbank: fix deferred probing
Date: Wed, 19 May 2021 09:33:54 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.22.394.2105190930300.1685435@ramsan.of.borg> (raw)
In-Reply-To: <105b456d-1199-f6e9-ceb7-ffc5ba551d1a@omprussia.ru>
Hi Sergei,
On Sun, 14 Mar 2021, Sergey Shtylyov wrote:
> The driver overrides the error codes returned by platform_get_irq() to
> -EINVAL, so if it returns -EPROBE_DEFER, the driver would fail the probe
> permanently instead of the deferred probing. Switch to propagating the
> error code upstream, still checking/overriding IRQ0 as libata regards it
> as "no IRQ" (thus polling) anyway...
>
> Fixes: 9ec36cafe43b ("of/irq: do irq resolution in platform_get_irq")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Thanks for your patch, which is now commit 4a24efa16e7db023
("sata_highbank: fix deferred probing") in block/for-next.
> --- linux-block.orig/drivers/ata/sata_highbank.c
> +++ linux-block/drivers/ata/sata_highbank.c
> @@ -469,10 +469,12 @@ static int ahci_highbank_probe(struct pl
> }
>
> irq = platform_get_irq(pdev, 0);
> - if (irq <= 0) {
> + if (irq < 0) {
> dev_err(dev, "no irq\n");
This message should not be printed in case of -EPROBE_DEFER...
> - return -EINVAL;
> + return irq;
... hence
return dev_err_probe(dev, irq, "no irq\n");
Same for pata_rb532_cf.
> }
> + if (!irq)
> + return -EINVAL;
>
> hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
> if (!hpriv) {
>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-05-19 7:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-14 20:34 [PATCH] sata_highbank: fix deferred probing Sergey Shtylyov
2021-05-18 18:30 ` Sergey Shtylyov
2021-05-18 21:18 ` Jens Axboe
2021-05-19 7:33 ` Geert Uytterhoeven [this message]
2021-05-19 15:19 ` Sergey Shtylyov
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