LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Linus Walleij <linus.walleij@linaro.org>
To: Aman Sharma <amanharitsh123@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Andrew Murray <amurray@thegoodpenguin.co.uk>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Ryder Lee <ryder.lee@mediatek.com>,
	Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>,
	Hou Zhiqiang <Zhiqiang.Hou@nxp.com>,
	Marc Gonzalez <marc.w.gonzalez@free.fr>,
	Mans Rullgard <mans@mansr.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-pci <linux-pci@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"moderated list:ARM/Mediatek SoC support" 
	<linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH 1/5] pci: handled return value of platform_get_irq correctly
Date: Thu, 12 Mar 2020 15:07:58 +0100	[thread overview]
Message-ID: <CACRpkdYv0U0RmT7snp+UejEXecq4wLkhc11DUniUfGYAgyXC=A@mail.gmail.com> (raw)
In-Reply-To: <d12a15f496ca472e100798ac2cd256fbfc1de15d.1583952276.git.amanharitsh123@gmail.com>

On Wed, Mar 11, 2020 at 8:19 PM Aman Sharma <amanharitsh123@gmail.com> wrote:

> Signed-off-by: Aman Sharma <amanharitsh123@gmail.com>
> ---
>  drivers/pci/controller/pci-v3-semi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/controller/pci-v3-semi.c b/drivers/pci/controller/pci-v3-semi.c
> index bd05221f5a22..a5bf945d2eda 100644
> --- a/drivers/pci/controller/pci-v3-semi.c
> +++ b/drivers/pci/controller/pci-v3-semi.c
> @@ -777,9 +777,9 @@ static int v3_pci_probe(struct platform_device *pdev)
>
>         /* Get and request error IRQ resource */
>         irq = platform_get_irq(pdev, 0);
> -       if (irq <= 0) {
> +       if (irq < 0) {

Have you considered:
https://lwn.net/Articles/470820/

TL;DR Linus (both of them) are not with you on this.

And that is why the code is written like this.

Do you really have a platform that could return 0 as IRQ
here? In that case, can we fix it?

>                 dev_err(dev, "unable to obtain PCIv3 error IRQ\n");
> -               return -ENODEV;
> +               return irq;

That's OK with me.

Yours,
Linus Walleij

  reply	other threads:[~2020-03-12 14:08 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-11 19:19 [PATCH 0/5] Handled " Aman Sharma
2020-03-11 19:19 ` [PATCH 1/5] pci: handled " Aman Sharma
2020-03-12 14:07   ` Linus Walleij [this message]
2020-03-12 19:02     ` Bjorn Helgaas
2020-03-12 22:45       ` Linus Walleij
2020-03-11 19:19 ` [PATCH 2/5] pci: added check for return value of platform_get_irq Aman Sharma
2020-03-11 19:19 ` [PATCH 3/5] pci: handled return value of platform_get_irq correctly Aman Sharma
2020-03-11 19:19 ` [PATCH 4/5] " Aman Sharma
2020-03-12  9:53   ` Marc Gonzalez
2020-03-12 14:11     ` Bjorn Helgaas
2020-03-12 15:53       ` Marc Gonzalez
2020-03-13 21:05       ` Thomas Gleixner
2020-03-13 21:56         ` Bjorn Helgaas
2020-03-17 22:03           ` Bjorn Helgaas
2020-03-18 13:42             ` Thomas Gleixner
2020-03-18 22:22               ` Bjorn Helgaas
2020-03-19  8:47                 ` Thomas Gleixner
2020-03-19 21:35                   ` Bjorn Helgaas
2020-03-11 19:19 ` [PATCH 5/5] pci: added check for return value of platform_get_irq Aman Sharma

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CACRpkdYv0U0RmT7snp+UejEXecq4wLkhc11DUniUfGYAgyXC=A@mail.gmail.com' \
    --to=linus.walleij@linaro.org \
    --cc=Zhiqiang.Hou@nxp.com \
    --cc=amanharitsh123@gmail.com \
    --cc=amurray@thegoodpenguin.co.uk \
    --cc=bhelgaas@google.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=m.karthikeyan@mobiveil.co.in \
    --cc=mans@mansr.com \
    --cc=marc.w.gonzalez@free.fr \
    --cc=matthias.bgg@gmail.com \
    --cc=ryder.lee@mediatek.com \
    --cc=thomas.petazzoni@bootlin.com \
    --subject='Re: [PATCH 1/5] pci: handled return value of platform_get_irq correctly' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).