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From: Pratyush Anand <pratyush.anand@st.com>
To: Jingoo Han <jg1.han@samsung.com>
Cc: 'Bjorn Helgaas' <bhelgaas@google.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-samsung-soc@vger.kernel.org"
	<linux-samsung-soc@vger.kernel.org>,
	'Kukjin Kim' <kgene.kim@samsung.com>,
	Mohit KUMAR DCG <Mohit.KUMAR@st.com>,
	'Siva Reddy Kallam' <siva.kallam@samsung.com>,
	'SRIKANTH TUMKUR SHIVANAND' <ts.srikanth@samsung.com>,
	'Arnd Bergmann' <arnd@arndb.de>, 'Sean Cross' <xobs@kosagi.com>,
	'Kishon Vijay Abraham I' <kishon@ti.com>,
	'Thierry Reding' <thierry.reding@gmail.com>,
	'Thomas Petazzoni' <thomas.petazzoni@free-electrons.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH V2] PCI: exynos: add support for MSI
Date: Thu, 29 Aug 2013 09:15:08 +0530	[thread overview]
Message-ID: <20130829034508.GA3025@pratyush-vbox> (raw)
In-Reply-To: <001801cea3c7$06bca9d0$1435fd70$%han@samsung.com>

On Wed, Aug 28, 2013 at 04:17:24PM +0800, Jingoo Han wrote:
> On Friday, August 23, 2013 5:36 PM, Pratyush Anand wrote:
> > On Fri, Aug 23, 2013 at 02:04:20PM +0800, Jingoo Han wrote:
> 

[...]

> > #define MAX_PCIE_PORT_SUPPORTED 3
> > static DECLARE_BITMAP(msi_irq_in_use[MAX_PCIE_PORT_SUPPORTED],
> >                   NUM_MSI_IRQS);
> > static unsigned int *msi_data[MAX_PCIE_PORT_SUPPORTED];
> 
> No, there is no need to do it.
> Without this, we can use 3 RCs by adding a node of 3rd RC to dt file.
> 

Yes, you can use RCs by adding nodes to dt file. But you will need one 
msi_irq_in_use and one msi_data per RC (ie per port in this driver), isn't it? 

Regards
Pratyush


  reply	other threads:[~2013-08-29  3:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-23  6:04 [PATCH V2] PCI: exynos: add support for MSI Jingoo Han
2013-08-23  8:35 ` Pratyush Anand
2013-08-23  9:22   ` Thierry Reding
2013-08-25 20:28     ` Arnd Bergmann
2013-08-28  8:17   ` Jingoo Han
2013-08-29  3:45     ` Pratyush Anand [this message]
2013-08-29  4:43       ` Jingoo Han

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