Re: [PATCH 0/4] proper multi MSI handling for designware host

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On Thursday, June 05, 2014 11:46 PM, Lucas Stach wrote:
> 
> This series implements multiple MSI setup and teardown in terms
> of the msichip infrastructure for the designware host controller.
> It removes quite a bit of homegrown multi MSI handling from the
> driver, which I suspect wasn't really tested before.
> 
> The series is currently based on pci/next.
> 
> Functionality was tested with an FPGA connected to an i.MX6 SoC.
> I have verified that the FPGA is able to trigger the second MSI
> and the irq is properly routed into the driver.

(+cc Marek Vasut, Richard Zhu, Kishon Vijay Abraham I, Pratyush Anand)

Hi Lucas Stach,

As usual, this is a good job! :-)
I tested these patches on Exynos5440 platform with 2 LAN cards.
It works properly. I have no objection about these patches.
However, I hope that others will test with their platform.
I will review your patches. Thank you.

Best regards,
Jingoo Han
> 
> Lucas Stach (4):
>   PCI: allow MSI chip providers to implement their own multiple MSI
>     setup
>   PCI: designware: remove bogus multiple MSI setup
>   PCI: designware: remove open-coded bitmap operations
>   PCI: designware: implement multiple MSI irq setup
> 
>  drivers/pci/host/pcie-designware.c | 141 +++++++++++++++----------------------
>  drivers/pci/msi.c                  |   3 +
>  include/linux/msi.h                |   2 +
>  3 files changed, 63 insertions(+), 83 deletions(-)
> 
> --
> 2.0.0.rc2

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