Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable

From	Jiang Liu <jiang.liu@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable
Date	2015-10-16 07:50 +0200
Message-ID	<qk63U-5e3-19@gated-at.bofh.it> (permalink)
References	<qjSNk-2aP-7@gated-at.bofh.it> <qjSX0-2mu-5@gated-at.bofh.it>
Organization	Intel

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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:)
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Thread

[PATCH RFC 0/7] Adding core support for wire-MSI bridges Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
  [PATCH RFC 2/7] platform-msi: Factor out allocation/free of private data Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
    Re: [PATCH RFC 2/7] platform-msi: Factor out allocation/free of  private data Jiang Liu <jiang.liu@linux.intel.com> - 2015-10-16 07:50 +0200
      Re: [PATCH RFC 2/7] platform-msi: Factor out allocation/free of private  data Marc Zyngier <marc.zyngier@arm.com> - 2015-10-16 11:00 +0200
  [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
    RE: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-10-15 19:30 +0200
      Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 19:40 +0200
        RE: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Gabriele Paoloni <gabriele.paoloni@huawei.com> - 2015-10-16 15:10 +0200
    Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Jiang Liu <jiang.liu@linux.intel.com> - 2015-10-16 07:50 +0200
      Re: [PATCH RFC 4/7] genirq/msi: Make the .prepare callback reusable Marc Zyngier <marc.zyngier@arm.com> - 2015-10-16 10:50 +0200
  Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Arnd Bergmann <arnd@arndb.de> - 2015-10-15 17:50 +0200
    Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 18:10 +0200
      Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Arnd Bergmann <arnd@arndb.de> - 2015-10-15 21:20 +0200
        Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Marc Zyngier <marc.zyngier@arm.com> - 2015-10-16 10:10 +0200
          Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Arnd Bergmann <arnd@arndb.de> - 2015-10-16 10:50 +0200
  [PATCH RFC 5/7] genirq/msi: Add msi_domain_populate_irqs Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
  [PATCH RFC 1/7] platform-msi: Allow MSIs to be allocated in chunks Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
  [PATCH RFC 6/7] platform-msi: Allow creation of a MSI-based stacked irq domain Marc Zyngier <marc.zyngier@arm.com> - 2015-10-15 17:50 +0200
  Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Jiang Liu <jiang.liu@linux.intel.com> - 2015-10-16 04:00 +0200
    Re: [PATCH RFC 0/7] Adding core support for wire-MSI bridges Marc Zyngier <marc.zyngier@arm.com> - 2015-10-16 10:50 +0200

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