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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: "marek.vasut@gmail.com" <marek.vasut@gmail.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Wolfram Sang <wsa@the-dreams.de>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>
Subject: RE: [PATCH] PCI: rcar: Always allocate MSI addresses in 32bit space
Date: Tue, 27 Oct 2020 12:04:44 +0000	[thread overview]
Message-ID: <TY2PR01MB36926F4E927C231E77D050DED8160@TY2PR01MB3692.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <20201016120431.7062-1-marek.vasut@gmail.com>

Hello Marek-san,

> From: marek.vasut@gmail.com, Sent: Friday, October 16, 2020 9:05 PM
> 
> From: Marek Vasut <marek.vasut+renesas@gmail.com>
> 
> This fixes MSI operation on legacy PCI cards, which cannot issue 64bit MSIs.
> The R-Car controller only has one MSI trigger address instead of two, one
> for 64bit and one for 32bit MSI, set the address to 32bit PCIe space so that
> legacy PCI cards can also trigger MSIs.
> 
> Fixes: 290c1fb35860 ("PCI: rcar: Add MSI support for PCIe")
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Cc: linux-renesas-soc@vger.kernel.org

Thank you for the patch!

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

And I tested on R-Car H3. So,

Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

Best regards,
Yoshihiro Shimoda


  parent reply	other threads:[~2020-10-27 12:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-16 12:04 [PATCH] PCI: rcar: Always allocate MSI addresses in 32bit space marek.vasut
2020-10-20  7:47 ` Geert Uytterhoeven
2020-10-25 15:37   ` Marek Vasut
2020-10-27 12:04 ` Yoshihiro Shimoda [this message]
2020-12-10 18:11 ` Lorenzo Pieralisi
2020-12-12 19:13   ` Marek Vasut
2020-12-14 16:08     ` Lorenzo Pieralisi
2020-12-16 17:49       ` Marek Vasut
2020-12-21 10:01         ` Lorenzo Pieralisi
2020-12-30 12:47           ` Marek Vasut
2021-01-04 12:21             ` Lorenzo Pieralisi
2021-01-15 12:12 ` Lorenzo Pieralisi

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