From: "Z.q. Hou" <zhiqiang.hou@nxp.com>
To: Andrew Murray <andrew.murray@arm.com>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
"m.karthikeyan@mobiveil.co.in" <m.karthikeyan@mobiveil.co.in>,
"arnd@arndb.de" <arnd@arndb.de>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"l.subrahmanya@mobiveil.co.in" <l.subrahmanya@mobiveil.co.in>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Leo Li <leoyang.li@nxp.com>, "M.h. Lian" <minghuan.lian@nxp.com>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
Mingkai Hu <mingkai.hu@nxp.com>,
Xiaowei Bao <xiaowei.bao@nxp.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCHv9 02/12] PCI: mobiveil: Move the host initialization into a routine
Date: Thu, 6 Feb 2020 11:14:21 +0000 [thread overview]
Message-ID: <DB8PR04MB674737224E5914240BE2BC62841D0@DB8PR04MB6747.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20200113101912.GH42593@e119886-lin.cambridge.arm.com>
Hi Andrew,
Thanks a lot for your comments!
> -----Original Message-----
> From: Andrew Murray <andrew.murray@arm.com>
> Sent: 2020年1月13日 18:19
> To: Z.q. Hou <zhiqiang.hou@nxp.com>
> Cc: linux-pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> devicetree@vger.kernel.org; linux-kernel@vger.kernel.org;
> bhelgaas@google.com; robh+dt@kernel.org; arnd@arndb.de;
> mark.rutland@arm.com; l.subrahmanya@mobiveil.co.in;
> shawnguo@kernel.org; m.karthikeyan@mobiveil.co.in; Leo Li
> <leoyang.li@nxp.com>; lorenzo.pieralisi@arm.com;
> catalin.marinas@arm.com; will.deacon@arm.com; Mingkai Hu
> <mingkai.hu@nxp.com>; M.h. Lian <minghuan.lian@nxp.com>; Xiaowei Bao
> <xiaowei.bao@nxp.com>
> Subject: Re: [PATCHv9 02/12] PCI: mobiveil: Move the host initialization into a
> routine
>
> On Wed, Nov 20, 2019 at 03:45:30AM +0000, Z.q. Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> >
> > Move the host initialization related operations into a new routine to
> > make it can be reused by other incoming platform's
>
> s/to make/such that/
>
> 'function' is probably a better word than 'routine'.
>
Will change in v10.
>
> > PCIe host driver, in which the Mobiveil GPEX is integrated.
> >
> > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> > ---
> > V9:
> > - New patch splited from the #1 of V8 patches to make it easy to review.
> >
> > drivers/pci/controller/pcie-mobiveil.c | 38
> > +++++++++++++++-----------
> > 1 file changed, 22 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/pci/controller/pcie-mobiveil.c
> > b/drivers/pci/controller/pcie-mobiveil.c
> > index 5fd26e376af2..97f682ca7c7a 100644
> > --- a/drivers/pci/controller/pcie-mobiveil.c
> > +++ b/drivers/pci/controller/pcie-mobiveil.c
> > @@ -873,27 +873,15 @@ static int mobiveil_pcie_init_irq_domain(struct
> mobiveil_pcie *pcie)
> > return 0;
> > }
> >
> > -static int mobiveil_pcie_probe(struct platform_device *pdev)
> > +int mobiveil_pcie_host_probe(struct mobiveil_pcie *pcie)
>
> This is no longer static - but do you need to add a header file somewhere?
The function mobiveil_pcie_probe() is still static below, the
mobiveil_pcie_host_probe() is new introduced one, it is now only used in this
.c file, so I'll change it to a static function in v10.
>
>
> > {
> > - struct mobiveil_pcie *pcie;
> > + struct root_port *rp = &pcie->rp;
> > + struct pci_host_bridge *bridge = rp->bridge;
> > + struct device *dev = &pcie->pdev->dev;
> > struct pci_bus *bus;
> > struct pci_bus *child;
> > - struct pci_host_bridge *bridge;
> > - struct device *dev = &pdev->dev;
> > - struct root_port *rp;
> > int ret;
> >
> > - /* allocate the PCIe port */
> > - bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
> > - if (!bridge)
> > - return -ENOMEM;
> > -
> > - pcie = pci_host_bridge_priv(bridge);
> > - rp = &pcie->rp;
> > - rp->bridge = bridge;
> > -
> > - pcie->pdev = pdev;
> > -
> > ret = mobiveil_pcie_parse_dt(pcie);
> > if (ret) {
> > dev_err(dev, "Parsing DT failed, ret: %x\n", ret); @@ -956,6
> > +944,24 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
> > return 0;
> > }
> >
> > +static int mobiveil_pcie_probe(struct platform_device *pdev) {
> > + struct mobiveil_pcie *pcie;
> > + struct pci_host_bridge *bridge;
> > + struct device *dev = &pdev->dev;
> > +
> > + bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
>
> You've lost the comment that was above this.
Will add it back.
Thanks,
Zhiqiang
>
> Thanks,
>
> Andrew Murray
>
> > + if (!bridge)
> > + return -ENOMEM;
> > +
> > + pcie = pci_host_bridge_priv(bridge);
> > + pcie->rp.bridge = bridge;
> > +
> > + pcie->pdev = pdev;
> > +
> > + return mobiveil_pcie_host_probe(pcie); }
> > +
> > static const struct of_device_id mobiveil_pcie_of_match[] = {
> > {.compatible = "mbvl,gpex40-pcie",},
> > {},
> > --
> > 2.17.1
> >
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next prev parent reply other threads:[~2020-02-06 11:14 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 3:45 [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4 driver for NXP Layerscape SoCs Z.q. Hou
2019-11-20 3:45 ` [PATCHv9 01/12] PCI: mobiveil: Re-abstract the private structure Z.q. Hou
2020-01-13 10:09 ` Andrew Murray
2020-02-06 11:04 ` Z.q. Hou
2020-02-06 11:27 ` Andrew Murray
2019-11-20 3:45 ` [PATCHv9 02/12] PCI: mobiveil: Move the host initialization into a routine Z.q. Hou
2020-01-13 10:19 ` Andrew Murray
2020-02-06 11:14 ` Z.q. Hou [this message]
2019-11-20 3:45 ` [PATCHv9 03/12] PCI: mobiveil: Collect the interrupt related operations " Z.q. Hou
2020-01-13 10:34 ` Andrew Murray
2020-02-06 11:30 ` Z.q. Hou
2019-11-20 3:45 ` [PATCHv9 04/12] PCI: mobiveil: Modularize the Mobiveil PCIe Host Bridge IP driver Z.q. Hou
2020-01-13 11:05 ` Andrew Murray
2020-02-06 12:25 ` Z.q. Hou
2019-11-20 3:45 ` [PATCHv9 05/12] PCI: mobiveil: Add callback function for interrupt initialization Z.q. Hou
2020-01-13 11:19 ` Andrew Murray
2020-02-06 13:25 ` Z.q. Hou
2019-11-20 3:45 ` [PATCHv9 06/12] PCI: mobiveil: Add callback function for link up check Z.q. Hou
2020-01-13 11:22 ` Andrew Murray
2020-02-06 13:25 ` Z.q. Hou
2019-11-20 3:46 ` [PATCHv9 07/12] PCI: mobiveil: Make mobiveil_host_init() can be used to re-init host Z.q. Hou
2020-01-13 11:26 ` Andrew Murray
2020-02-06 13:27 ` Z.q. Hou
2019-11-20 3:46 ` [PATCHv9 08/12] PCI: mobiveil: Add 8-bit and 16-bit CSR register accessors Z.q. Hou
2020-01-13 11:31 ` Andrew Murray
2020-02-06 13:45 ` Z.q. Hou
2019-11-20 3:46 ` [PATCHv9 09/12] dt-bindings: PCI: Add NXP Layerscape SoCs PCIe Gen4 controller Z.q. Hou
2019-11-20 3:46 ` [PATCHv9 10/12] PCI: mobiveil: Add PCIe Gen4 RC driver for NXP Layerscape SoCs Z.q. Hou
2020-01-13 12:02 ` Andrew Murray
2020-02-06 13:45 ` Z.q. Hou
2020-02-06 14:29 ` Andrew Murray
2019-11-20 3:46 ` [PATCHv9 11/12] arm64: dts: lx2160a: Add PCIe controller DT nodes Z.q. Hou
2019-11-20 3:46 ` [PATCHv9 12/12] arm64: defconfig: Enable CONFIG_PCIE_LAYERSCAPE_GEN4 Z.q. Hou
2019-11-20 9:57 ` [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4 driver for NXP Layerscape SoCs Russell King - ARM Linux admin
2019-11-20 10:30 ` Z.q. Hou
2019-12-13 18:37 ` Olof Johansson
2019-12-17 2:50 ` Z.q. Hou
2020-01-10 15:33 ` Lorenzo Pieralisi
2020-01-10 17:05 ` Olof Johansson
2020-02-06 10:57 ` Z.q. Hou
2020-02-10 15:12 ` Olof Johansson
2020-02-10 15:22 ` Russell King - ARM Linux admin
2020-02-10 15:28 ` Olof Johansson
2020-02-10 16:15 ` Russell King - ARM Linux admin
2020-02-10 17:20 ` Russell King - ARM Linux admin
2020-02-10 18:33 ` Olof Johansson
2020-02-10 18:41 ` Li Yang
2020-02-10 19:48 ` Li Yang
2020-02-11 12:13 ` Laurentiu Tudor
2020-02-11 13:04 ` Robin Murphy
2020-02-11 13:55 ` Laurentiu Tudor
2020-02-11 14:51 ` Robin Murphy
2020-02-11 14:48 ` Olof Johansson
2020-02-11 15:14 ` Laurentiu Tudor
2020-02-29 9:55 ` Russell King - ARM Linux admin
2020-02-29 11:04 ` Russell King - ARM Linux admin
2020-02-29 12:08 ` Russell King - ARM Linux admin
2020-02-29 13:32 ` Russell King - ARM Linux admin
2020-02-29 15:19 ` Theodore Y. Ts'o
2020-02-29 17:03 ` Russell King - ARM Linux admin
2020-02-29 18:03 ` Theodore Y. Ts'o
2020-06-05 23:53 ` Russell King - ARM Linux admin
2020-06-06 10:19 ` Russell King - ARM Linux admin
2020-02-10 15:33 ` Lorenzo Pieralisi
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