Messages in this thread | | | From | Prabhakar Mahadev Lad <> | Subject | RE: [PATCH v6 02/11] arm64: defconfig: enable CONFIG_PCIE_RCAR_HOST | Date | Fri, 3 Apr 2020 09:31:43 +0000 |
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Hi Shimoda-san/Geert-san,
> -----Original Message----- > From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> > Sent: 03 April 2020 10:05 > To: Geert Uytterhoeven <geert@linux-m68k.org>; Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com> > Cc: Will Deacon <will@kernel.org>; Geert Uytterhoeven <geert+renesas@glider.be>; Catalin Marinas <catalin.marinas@arm.com>; Arnd > Bergmann <arnd@arndb.de>; Greg Kroah-Hartman <gregkh@linuxfoundation.org>; Andrew Murray <andrew.murray@arm.com>; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-renesas-soc@vger.kernel.org; Chris > Paterson <Chris.Paterson2@renesas.com>; Frank Rowand <frowand.list@gmail.com>; Gustavo Pimentel > <gustavo.pimentel@synopsys.com>; Jingoo Han <jingoohan1@gmail.com>; Simon Horman <horms@verge.net.au>; Shawn Lin > <shawn.lin@rock-chips.com>; Tom Joseph <tjoseph@cadence.com>; Heiko Stuebner <heiko@sntech.de>; linux- > rockchip@lists.infradead.org; Lad Prabhakar <prabhakar.csengg@gmail.com>; Magnus Damm <magnus.damm@gmail.com>; Kishon Vijay > Abraham I <kishon@ti.com>; Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>; Marek Vasut <marek.vasut+renesas@gmail.com>; linux- > pci@vger.kernel.org; Bjorn Helgaas <bhelgaas@google.com>; Rob Herring <robh+dt@kernel.org>; Mark Rutland > <mark.rutland@arm.com> > Subject: RE: [PATCH v6 02/11] arm64: defconfig: enable CONFIG_PCIE_RCAR_HOST > > Hi Geert-san, > > Thank you for your comments! > > > From: Geert Uytterhoeven, Sent: Friday, April 3, 2020 5:28 PM > <snip> > > > But, I'm thinking this patch (and patch 03/11) should be separated > > > from this patch series for arm64 subsystem to ease maintenance. > > > My scenario is: > > > 1) patch series 1: R-Car PCIe endpoint support. > > > -- This means: patch 1, 4 - 9, 11 > > > > > > 2) After the patch series 1 is merged, submit this patch 2/11 to arm subsystem > > > and submit the patch 10/11 to misc subsystem. > > > > > > 3) At last, submit patch 3/11 after the patch 2/11 is merged. > > > > > > Geert-san, what do you think? > > > > Thanks, I agree with your summary. > > > > I can take patch 2/11 through renesas-devel. > > Probably it's best if I submit it to arm-soc as a fix for v5.8, after > > the driver part > > has been merged into v5.8-rc1, so 3/11 can be submitted for v5.9. > > Thank you! I got it. > Thank you, Ill split the patches accordingly and post a v7.
> > BTW, I'm wondering about "[PATCH v6 05/11] PCI: rcar: Fix calculating > > mask for PCIEPAMR register". Can the issue fixed by this patch happen with > > the current driver in host mode, or is that limited to ep mode? > > In case of the former, please submit it to the PCI maintainer as a separate > > fix. > > Thank you for pointed it out. I think this is the case of the former. > IIUC, if such a small window PCIe device exists, the issue happens. > > Prabhakar-san, is my understanding correct? > This issue will only be hit on EP, when in host mode the sizes will be fixed to 1 Mbytes /2 Mbytes /128 Mbytes
Cheers, --Prabhakar
> Best regards, > Yoshihiro Shimoda
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