linux-kernel - Re: [PATCH V3] PCI: exynos: add support for MSI

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Date:	Thu, 26 Sep 2013 13:32:18 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Bjorn Helgaas' <bhelgaas@...gle.com>
Cc:	linux-pci@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	'Kukjin Kim' <kgene.kim@...sung.com>,
	'Pratyush Anand' <pratyush.anand@...com>,
	'Mohit KUMAR' <Mohit.KUMAR@...com>,
	'Siva Reddy Kallam' <siva.kallam@...sung.com>,
	'SRIKANTH TUMKUR SHIVANAND' <ts.srikanth@...sung.com>,
	'Arnd Bergmann' <arnd@...db.de>,
	'Sean Cross' <xobs@...agi.com>,
	'Kishon Vijay Abraham I' <kishon@...com>,
	'Thierry Reding' <thierry.reding@...il.com>,
	'Thomas Petazzoni' <thomas.petazzoni@...e-electrons.com>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH V3] PCI: exynos: add support for MSI

On Friday, September 06, 2013 3:55 PM, Jingoo Han wrote:
> 
> This patch adds support for Message Signaled Interrupt in the
> Exynos PCIe diver using Synopsys designware PCIe core IP.
> 
> Signed-off-by: Siva Reddy Kallam <siva.kallam@...sung.com>
> Signed-off-by: Srikanth T Shivanand <ts.srikanth@...sung.com>
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
> Cc: Pratyush Anand <pratyush.anand@...com>
> Cc: Mohit KUMAR <Mohit.KUMAR@...com>

Hi Bjorn Helgaas,

There is no comment for last 3 weeks.
Would you merge this patch to your tree?
Thank you.

Best regards,
Jingoo Han

> ---
> Changes since v2:
> - fixed MAX_MSI_CTRLS because MAX_MSI_IRQS is 32 only
> - used __get_free_pages() to allocate msi_data
> - used one msi_data and msi_irq_in_use per one RC
> - used irq_domain to represent the MSI controller
> - removed msi-base irq number from device tree because this is not
>   a hardware property.
> 
> Changes since v1:
> - removed unnecessary exynos_pcie_clear_irq_level()
> - updated the bindings documentation
> - used new msi_chip infrastructure
> - removed ARCH_SUPPORTS_MSI
> - replaced #ifdef guards with IS_ENABLED(CONFIG_PCI_MSI)
> 
>  drivers/pci/host/pci-exynos.c      |   44 +++++++
>  drivers/pci/host/pcie-designware.c |  240 ++++++++++++++++++++++++++++++++++++
>  drivers/pci/host/pcie-designware.h |   14 +++
>  3 files changed, 298 insertions(+)

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