linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiang Liu <jiang.liu@linux.intel.com>
To: Marc Zyngier <marc.zyngier@arm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>
Cc: Ma Jun <majun258@huawei.com>,
	linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable
Date: Fri, 16 Oct 2015 13:45:04 +0800	[thread overview]
Message-ID: <56208EE0.1030604@linux.intel.com> (raw)
In-Reply-To: <1444923568-17413-5-git-send-email-marc.zyngier@arm.com>

On 2015/10/15 23:39, Marc Zyngier wrote:
<snit>
> +int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,
> +			    int nvec, msi_alloc_info_t *arg)
> +{
> +	struct msi_domain_info *info = domain->host_data;
> +	struct msi_domain_ops *ops = info->ops;
> +	int ret;
> +
> +	ret = ops->msi_check(domain, info, dev);
> +	if (ret == 0)
> +		ret = ops->msi_prepare(domain, dev, nvec, arg);
> +	if (ret)
> +		return ret;
> +
> +	return 0;
Seems a simple "return ret" is enough:)

  parent reply	other threads:[~2015-10-16  5:45 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-15 15:39 [PATCH RFC 0/7] Adding core support for wire-MSI bridges Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 1/7] platform-msi: Allow MSIs to be allocated in chunks Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 2/7] platform-msi: Factor out allocation/free of private data Marc Zyngier
2015-10-16  5:46   ` Jiang Liu
2015-10-16  8:50     ` Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 3/7] irqdomain: Make irq_domain_alloc_irqs_recursive available Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Marc Zyngier
2015-10-15 17:24   ` Gabriele Paoloni
2015-10-15 17:39     ` Marc Zyngier
2015-10-16 13:07       ` Gabriele Paoloni
2015-10-16  5:45   ` Jiang Liu [this message]
2015-10-16  8:48     ` Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 5/7] genirq/msi: Add msi_domain_populate_irqs Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 6/7] platform-msi: Allow creation of a MSI-based stacked irq domain Marc Zyngier
2015-10-15 15:39 ` [PATCH RFC 7/7] irqchip: [Example] dummy wired interrupt/MSI bridge driver Marc Zyngier
2015-11-04  8:00   ` majun (F)
2015-11-04  9:03     ` Marc Zyngier
2015-11-05  8:25       ` Gabriele Paoloni
2015-11-05  9:35         ` Marc Zyngier
2015-11-05  9:43           ` Gabriele Paoloni
2015-10-15 15:46 ` [PATCH RFC 0/7] Adding core support for wire-MSI bridges Arnd Bergmann
2015-10-15 16:01   ` Marc Zyngier
2015-10-15 19:16     ` Arnd Bergmann
2015-10-16  8:03       ` Marc Zyngier
2015-10-16  8:45         ` Arnd Bergmann
2015-10-16  1:55 ` Jiang Liu
2015-10-16  8:48   ` Marc Zyngier
2015-11-04 13:34     ` Thomas Gleixner
2015-11-05 12:22       ` Marc Zyngier
2015-11-05 12:25         ` Thomas Gleixner

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=56208EE0.1030604@linux.intel.com \
    --to=jiang.liu@linux.intel.com \
    --cc=jason@lakedaemon.net \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=majun258@huawei.com \
    --cc=marc.zyngier@arm.com \
    --cc=tglx@linutronix.de \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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).