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From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Shawn Lin <shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Cc: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
	Lorenzo Pieralisi
	<lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org>,
	Kishon Vijay Abraham I <kishon-l0cyMroinI0@public.gmane.org>,
	Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Jingoo Han <jingoohan1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	William Wu <william.wu-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	Simon Xue <xxm-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 3/6] PCI: dwc: Skip allocating own MSI domain if using external MSI domain
Date: Thu, 7 May 2020 09:00:13 -0500	[thread overview]
Message-ID: <20200507140013.GA23957@bogus> (raw)
In-Reply-To: <1581574091-240890-4-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

On Thu, Feb 13, 2020 at 02:08:08PM +0800, Shawn Lin wrote:
> On some platform, external MSI domain is using instead of the one
> created by designware driver. For instance, if using GIC-V3-ITS
> as a MSI domain, we only need set msi-map in the devicetree but
> never need any bit in the designware driver to handle MSI stuff.
> So skip allocating its own MSI domain for that case.

A new field isn't needed. Just implement the msi_host_init() hook.

Rob

  parent reply	other threads:[~2020-05-07 14:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13  6:08 [PATCH v2 0/6] Add Rockchip new PCIe controller and combo phy support Shawn Lin
2020-02-13  6:08 ` [PATCH v2 1/6] dt-bindings: add binding for Rockchip combo phy using an Innosilicon IP Shawn Lin
2020-02-13 20:46   ` Rob Herring
     [not found]   ` <1581574091-240890-2-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2020-02-14  9:20     ` Heiko Stuebner
     [not found] ` <1581574091-240890-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2020-02-13  6:08   ` [PATCH v2 2/6] phy/rockchip: inno-combophy: Add initial support Shawn Lin
2020-02-13  6:08   ` [PATCH v2 3/6] PCI: dwc: Skip allocating own MSI domain if using external MSI domain Shawn Lin
     [not found]     ` <1581574091-240890-4-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2020-05-07 14:00       ` Rob Herring [this message]
2020-02-13  6:08   ` [PATCH v2 4/6] dt-bindings: rockchip: Add DesignWare based PCIe controller Shawn Lin
2020-02-13 20:47     ` Rob Herring
     [not found]     ` <1581574091-240890-5-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2020-05-07 14:09       ` Rob Herring
2020-02-13  6:10   ` [PATCH v2 5/6] PCI: rockchip: add " Shawn Lin
     [not found]     ` <1581574248-241030-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2020-02-13  6:10       ` [PATCH v2 6/6] MAINTAINERS: Update PCIe drivers for Rockchip Shawn Lin
2020-05-07 15:36     ` [PATCH v2 5/6] PCI: rockchip: add DesignWare based PCIe controller Rob Herring

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