From: Rob Herring <robh@kernel.org>
To: Bjorn Helgaas <bhelgaas@google.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Fabio Estevam <festevam@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Heiko Stuebner <heiko@sntech.de>,
Hou Zhiqiang <Zhiqiang.Hou@nxp.com>,
Jingoo Han <jingoohan1@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>,
Linus Walleij <linus.walleij@linaro.org>,
Lucas Stach <l.stach@pengutronix.de>,
Marek Vasut <marek.vasut+renesas@gmail.com>,
Michal Simek <michal.simek@xilinx.com>,
Murali Karicheri <m-karicheri2@ti.com>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Richard Zhu <hongxing.zhu@nxp.com>,
Ryder Lee <ryder.lee@mediatek.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
Shawn Lin <shawn.lin@rock-chips.com>,
Thierry Reding <thierry.reding@gmail.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Tom Joseph <tjoseph@cadence.com>, Will Deacon <will@kernel.org>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
PCI <linux-pci@vger.kernel.org>,
"open list:MEDIA DRIVERS FOR RENESAS - FCP"
<linux-renesas-soc@vger.kernel.org>,
"open list:ARM/Rockchip SoC..."
<linux-rockchip@lists.infradead.org>,
linux-tegra <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH 11/19] PCI: Move setting pci_host_bridge.busnr out of host drivers
Date: Thu, 23 Jul 2020 09:26:01 -0600 [thread overview]
Message-ID: <CAL_Jsq+sPaubVERLHaRzjvThk3zDO6zAnRQjGuAMKaVA87Y4HQ@mail.gmail.com> (raw)
In-Reply-To: <20200722022514.1283916-12-robh@kernel.org>
On Tue, Jul 21, 2020 at 8:25 PM Rob Herring <robh@kernel.org> wrote:
>
> Most host drivers only parse the DT bus range to set the root bus number
> in pci_host_bridge.busnr. The ones that don't set busnr are buggy in
> that they ignore what's in DT. Let's set busnr in pci_scan_root_bus_bridge()
> where we already check for the bus resource and remove setting it in
> host drivers.
>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Cc: Jonathan Hunter <jonathanh@nvidia.com>
> Cc: Linus Walleij <linus.walleij@linaro.org>
> Cc: Ryder Lee <ryder.lee@mediatek.com>
> Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Cc: linux-tegra@vger.kernel.org
> Cc: linux-mediatek@lists.infradead.org
> Cc: linux-renesas-soc@vger.kernel.org
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> drivers/pci/controller/dwc/pcie-designware-host.c | 4 ----
> drivers/pci/controller/dwc/pcie-designware.h | 1 -
> drivers/pci/controller/pci-aardvark.c | 5 ++---
> drivers/pci/controller/pci-host-common.c | 1 -
> drivers/pci/controller/pci-tegra.c | 4 +---
> drivers/pci/controller/pci-v3-semi.c | 2 --
> drivers/pci/controller/pcie-mediatek.c | 8 +-------
> drivers/pci/controller/pcie-rcar-host.c | 1 -
> drivers/pci/probe.c | 1 +
> 9 files changed, 5 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index 9e8a9cfc6d3a..fa922cb876a3 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -374,9 +374,6 @@ int dw_pcie_host_init(struct pcie_port *pp)
> pp->cfg0_base = pp->cfg->start;
> pp->cfg1_base = pp->cfg->start + pp->cfg0_size;
> break;
> - case IORESOURCE_BUS:
> - pp->busn = win->res;
> - break;
> }
> }
>
> diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
> index fd2146298b58..9fb44290ed43 100644
> --- a/drivers/pci/controller/dwc/pcie-designware.h
> +++ b/drivers/pci/controller/dwc/pcie-designware.h
> @@ -188,7 +188,6 @@ struct pcie_port {
> struct resource *cfg;
> struct resource *io;
> struct resource *mem;
> - struct resource *busn;
> int irq;
> const struct dw_pcie_host_ops *ops;
> int msi_irq;
These 2 hunks should be dropped as they are breaking the Amazon driver.
Lorenzo, do you want to fixup or I can send a fix?
Rob
next prev parent reply other threads:[~2020-07-23 15:26 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 2:24 [PATCH 00/19] PCI: Another round of host clean-ups Rob Herring
2020-07-22 2:24 ` [PATCH 01/19] PCI: versatile: Drop flag PCI_ENABLE_PROC_DOMAINS Rob Herring
2020-07-22 2:24 ` [PATCH 02/19] PCI: Set default bridge parent device Rob Herring
2020-07-22 2:24 ` [PATCH 03/19] PCI: Drop unnecessary zeroing of bridge fields Rob Herring
2020-07-22 2:24 ` [PATCH 04/19] PCI: aardvark: Use pci_is_root_bus() to check if bus is root bus Rob Herring
2020-07-22 2:25 ` [PATCH 05/19] PCI: designware: " Rob Herring
2020-07-22 2:25 ` [PATCH 06/19] PCI: mobiveil: " Rob Herring
2020-07-22 2:25 ` [PATCH 07/19] PCI: xilinx-nwl: " Rob Herring
2020-07-22 2:25 ` [PATCH 08/19] PCI: xilinx: " Rob Herring
2020-07-22 2:25 ` [PATCH 09/19] PCI: rockchip: " Rob Herring
2020-07-22 2:25 ` [PATCH 10/19] PCI: rcar: " Rob Herring
2020-07-22 2:25 ` [PATCH 11/19] PCI: Move setting pci_host_bridge.busnr out of host drivers Rob Herring
2020-07-23 15:26 ` Rob Herring [this message]
2020-07-23 16:21 ` Lorenzo Pieralisi
2020-07-23 16:55 ` Rob Herring
2020-07-22 2:25 ` [PATCH 12/19] PCI: cadence: Use bridge resources for outbound window setup Rob Herring
2020-07-22 2:25 ` [PATCH 13/19] PCI: cadence: Remove private bus number and range storage Rob Herring
2020-07-22 2:25 ` [PATCH 14/19] PCI: rcar: Use devm_pci_alloc_host_bridge() Rob Herring
2020-07-22 2:25 ` [PATCH 15/19] PCI: rcar: Use struct pci_host_bridge.windows list directly Rob Herring
2020-07-22 2:25 ` [PATCH 16/19] PCI: of: Reduce missing non-prefetchable memory region to a warning Rob Herring
2020-07-22 2:25 ` [PATCH 17/19] PCI: rcar-gen2: Convert to use modern host bridge probe functions Rob Herring
2020-08-04 12:12 ` Geert Uytterhoeven
2020-08-04 15:13 ` Rob Herring
2020-07-22 2:25 ` [PATCH 18/19] PCI: Move DT resource setup into devm_pci_alloc_host_bridge() Rob Herring
2020-07-22 2:25 ` [PATCH 19/19] PCI: Set bridge map_irq and swizzle_irq to default functions Rob Herring
2022-01-11 21:46 ` Bjorn Helgaas
2022-01-12 12:57 ` Jiaxun Yang
2022-01-12 15:19 ` Bjorn Helgaas
2022-01-12 20:08 ` Jiaxun Yang
2022-01-12 21:10 ` Bjorn Helgaas
2022-01-13 17:44 ` Jiaxun Yang
2022-01-12 15:09 ` Rob Herring
2022-01-12 15:32 ` Bjorn Helgaas
2022-01-29 22:34 ` Maciej W. Rozycki
2020-07-22 21:06 ` [PATCH 00/19] PCI: Another round of host clean-ups Bjorn Helgaas
2020-07-23 10:39 ` Lorenzo Pieralisi
2020-07-23 23:01 ` Bjorn Helgaas
2020-07-24 15:55 ` Rob Herring
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