LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Will Deacon <will@kernel.org>
To: Yajun Deng <yajun.deng@linux.dev>
Cc: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, lorenzo.pieralisi@arm.com
Subject: Re: [PATCH linux-next] arm64: PCI: Introduce pcibios_free_irq() helper function
Date: Wed, 25 Aug 2021 11:05:01 +0100	[thread overview]
Message-ID: <20210825100500.GC24546@willie-the-truck> (raw)
In-Reply-To: <20210825071612.21543-1-yajun.deng@linux.dev>

[+Lorenzo]

On Wed, Aug 25, 2021 at 03:16:12PM +0800, Yajun Deng wrote:
> Introduce pcibios_free_irq() to free irq in pci_device_probe() and
> pci_device_remove() that in drivers/pci/pci-driver.c.

Please can you describe the problem you're solving?

> Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
> ---
>  arch/arm64/kernel/pci.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
> index 1006ed2d7c60..40da5aff4548 100644
> --- a/arch/arm64/kernel/pci.c
> +++ b/arch/arm64/kernel/pci.c
> @@ -25,10 +25,18 @@
>  int pcibios_alloc_irq(struct pci_dev *dev)
>  {
>  	if (!acpi_disabled)
> -		acpi_pci_irq_enable(dev);
> +		return acpi_pci_irq_enable(dev);

This means we'll now fail device probe if we can't enable the GSI. Is that a
problem?

Will

  reply	other threads:[~2021-08-25 10:05 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25  7:16 Yajun Deng
2021-08-25 10:05 ` Will Deacon [this message]
2021-08-25 10:49 ` yajun.deng
2021-08-25 13:30 ` Lorenzo Pieralisi

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=20210825100500.GC24546@willie-the-truck \
    --to=will@kernel.org \
    --cc=catalin.marinas@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=yajun.deng@linux.dev \
    --subject='Re: [PATCH linux-next] arm64: PCI: Introduce pcibios_free_irq() helper function' \
    /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).