Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751761AbdFPWcD (ORCPT ); Fri, 16 Jun 2017 18:32:03 -0400 Received: from mail-yb0-f178.google.com ([209.85.213.178]:33228 "EHLO mail-yb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750873AbdFPWcA (ORCPT ); Fri, 16 Jun 2017 18:32:00 -0400 MIME-Version: 1.0 In-Reply-To: <20170616211106.GF11129@bhelgaas-glaptop.roam.corp.google.com> References: <20170531070109.81569-3-songxiaowei@hisilicon.com> <201706040735.pu1PIspV%fengguang.wu@intel.com> <20170616211106.GF11129@bhelgaas-glaptop.roam.corp.google.com> From: Guodong Xu Date: Sat, 17 Jun 2017 06:31:59 +0800 Message-ID: Subject: Re: [PATCH v9 2/4] arm64: dts: hisi: add kirin pcie node To: Bjorn Helgaas , "xuwei (O)" Cc: Arnd Bergmann , kbuild test robot , Xiaowei Song , kbuild-all@01.org, Bjorn Helgaas , Kishon , Jingoo Han , Tomasz Nowicki , Keith Busch , Niklas Cassel , Duc Dang , "liudongdong (C)" , Gabriele Paoloni , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , chenyao11@huawei.com, Chen Feng , Wangbinghui , Suzhuangluan , linux-pci , devicetree@vger.kernel.org, Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11602 Lines: 261 Hi, Bjorn On Sat, Jun 17, 2017 at 5:11 AM, Bjorn Helgaas wrote: > On Tue, Jun 06, 2017 at 07:19:53PM +0800, Guodong Xu wrote: >> Hi, Arnd >> >> On Tue, Jun 6, 2017 at 5:23 PM, Arnd Bergmann wrote: >> > On Sun, Jun 4, 2017 at 2:03 AM, kbuild test robot wrote: >> >> Hi Xiaowei, >> >> >> >> [auto build test ERROR on pci/next] >> >> [also build test ERROR on v4.12-rc3 next-20170602] >> >> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] >> >> >> >> url: https://github.com/0day-ci/linux/commits/Xiaowei-Song/add-PCIe-driver-for-Kirin-PCIe/20170531-182118 >> >> base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next >> >> config: arm64-allnoconfig (attached as .config) >> >> compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 >> >> reproduce: >> >> wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> >> chmod +x ~/bin/make.cross >> >> # save the attached .config to linux build tree >> >> make.cross ARCH=arm64 >> >> >> >> All errors (new ones prefixed by >>): >> >> >> >>>> Error: arch/arm64/boot/dts/hisilicon/hi3660.dtsi:180.24-25 syntax error >> >>>> FATAL ERROR: Unable to parse input tree >> > >> > We keep getting the build errors for patch submissions. Obviously the patch is >> > still broken and can't be merged as-is. What is the plan for merging the series? >> > >> >> This dts patch can be applied to dts series [1]. For upstream review >> purpose, hi3660-hikey960 dts patches, which don't have a related >> driver changes, are sent in [1]. Other patches, which need driver >> changes, like this one, are sent together with driver. >> >> Patchset [1] is now at its v2 review. Rob Herring already gave his ACK >> for some of them in v1. Hopefully I can get more ACK for remaining >> ones, and make them ready for v4.13 merging window. >> >> [1], http://www.spinics.net/lists/devicetree/msg178303.html > > I don't know how you want to deal with the DTS build failure. DTS part of this is also included in a broader Hi3660 dts patchset [1], and was ACK'ed [2] today by HiSilicon SoC maintainer Xu Wei. Hopefully they can land in next merge window. [1] https://www.spinics.net/lists/arm-kernel/msg588232.html [2] https://www.spinics.net/lists/arm-kernel/msg588686.html -Guodong > From a > PCI perspective, I think I could apply patches 1 and 3 pretty easily > by themselves. > > If/when you post these again, please incorporate the following > incremental diff to clean up various whitespace and capitalization > nits (these are spread across several of your patches). > > > diff --git a/Documentation/devicetree/bindings/pci/kirin-pcie.txt b/Documentation/devicetree/bindings/pci/kirin-pcie.txt > index 68ffa0fbcd73..20357d840af1 100644 > --- a/Documentation/devicetree/bindings/pci/kirin-pcie.txt > +++ b/Documentation/devicetree/bindings/pci/kirin-pcie.txt > @@ -24,8 +24,8 @@ Example based on kirin960: > > pcie@f4000000 { > compatible = "hisilicon,kirin-pcie"; > - reg = <0x0 0xf4000000 0x0 0x1000>, <0x0 0xff3fe000 0x0 0x1000>, > - <0x0 0xf3f20000 0x0 0x40000>, <0x0 0xF4000000 0 0x2000>; > + reg = <0x0 0xf4000000 0x0 0x1000>, <0x0 0xff3fe000 0x0 0x1000>, > + <0x0 0xf3f20000 0x0 0x40000>, <0x0 0xf4000000 0x0 0x2000>; > reg-names = "dbi","apb","phy", "config"; > bus-range = <0x0 0x1>; > #address-cells = <3>; > @@ -46,5 +46,5 @@ Example based on kirin960: > <&crg_ctrl HI3660_ACLK_GATE_PCIE>; > clock-names = "pcie_phy_ref", "pcie_aux", > "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk"; > - reset-gpios = <&gpio11 1 0 >; > + reset-gpios = <&gpio11 1 0>; > }; > diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi > index e8feb2fb4d53..7bc89baa40ba 100644 > --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi > +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi > @@ -159,12 +159,12 @@ > > pcie@f4000000 { > compatible = "hisilicon,kirin960-pcie"; > - reg = <0x0 0xf4000000 0x0 0x1000>, > - <0x0 0xff3fe000 0x0 0x1000>, > + reg = <0x0 0xf4000000 0x0 0x1000>, > + <0x0 0xff3fe000 0x0 0x1000>, > <0x0 0xf3f20000 0x0 0x40000>, > - <0x0 0xF5000000 0x0 0x2000>; > + <0x0 0xf5000000 0x0 0x2000>; > reg-names = "dbi", "apb", "phy", "config"; > - bus-range = <0x0 0x1>; > + bus-range = <0x0 0x1>; > #address-cells = <3>; > #size-cells = <2>; > device_type = "pci"; > @@ -173,7 +173,7 @@ > num-lanes = <1>; > #interrupt-cells = <1>; > interrupt-map-mask = <0xf800 0 0 7>; > - interrupt-map = <0x0 0 0 1 &gic 0 0 0 282 4>, > + interrupt-map = <0x0 0 0 1 &gic 0 0 0 282 4>, > <0x0 0 0 2 &gic 0 0 0 283 4>, > <0x0 0 0 3 &gic 0 0 0 284 4>, > <0x0 0 0 4 &gic 0 0 0 285 4>; > @@ -183,8 +183,9 @@ > <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>, > <&crg_ctrl HI3660_ACLK_GATE_PCIE>; > clock-names = "pcie_phy_ref", "pcie_aux", > - "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk"; > - reset-gpios = <&gpio11 1 0 >; > + "pcie_apb_phy", "pcie_apb_sys", > + "pcie_aclk"; > + reset-gpios = <&gpio11 1 0>; > status = "ok"; > }; > }; > diff --git a/drivers/pci/dwc/pcie-kirin.c b/drivers/pci/dwc/pcie-kirin.c > index f63e6548efae..41520dd1d5e5 100644 > --- a/drivers/pci/dwc/pcie-kirin.c > +++ b/drivers/pci/dwc/pcie-kirin.c > @@ -35,8 +35,8 @@ > #define REF_CLK_FREQ 100000000 > > /* PCIe ELBI registers */ > -#define SOC_PCIECTRL_CTRL0_ADDR 0x000 > -#define SOC_PCIECTRL_CTRL1_ADDR 0x004 > +#define SOC_PCIECTRL_CTRL0_ADDR 0x000 > +#define SOC_PCIECTRL_CTRL1_ADDR 0x004 > #define SOC_PCIEPHY_CTRL2_ADDR 0x008 > #define SOC_PCIEPHY_CTRL3_ADDR 0x00c > #define PCIE_ELBI_SLV_DBI_ENABLE (0x1 << 21) > @@ -48,30 +48,30 @@ > #define PCIE_APB_PHY_STATUS0 0x400 > #define PCIE_LINKUP_ENABLE (0x8020) > #define PCIE_LTSSM_ENABLE_BIT (0x1 << 11) > -#define PIPE_CLK_STABLE (0x1 << 19) > +#define PIPE_CLK_STABLE (0x1 << 19) > #define PIPE_CLK_MAX_TRY_TIMES 10 > -#define PHY_REF_PAD_BIT (0x1 << 8) > +#define PHY_REF_PAD_BIT (0x1 << 8) > #define PHY_PWR_DOWN_BIT (0x1 << 22) > -#define PHY_RST_ACK_BIT (0x1 << 16) > +#define PHY_RST_ACK_BIT (0x1 << 16) > > /* info located in sysctrl */ > #define SCTRL_PCIE_CMOS_OFFSET 0x60 > #define SCTRL_PCIE_CMOS_BIT 0x10 > #define SCTRL_PCIE_ISO_OFFSET 0x44 > #define SCTRL_PCIE_ISO_BIT 0x30 > -#define SCTRL_PCIE_HPCLK_OFFSET 0x190 > +#define SCTRL_PCIE_HPCLK_OFFSET 0x190 > #define SCTRL_PCIE_HPCLK_BIT 0x184000 > #define SCTRL_PCIE_OE_OFFSET 0x14a > -#define PCIE_DEBOUNCE_PARAM 0xF0F400 > +#define PCIE_DEBOUNCE_PARAM 0xf0f400 > #define PCIE_OE_BYPASS (0x3 << 28) > > /* peri_crg ctrl */ > #define CRGCTRL_PCIE_ASSERT_OFFSET 0x88 > -#define CRGCTRL_PCIE_ASSERT_BIT 0x8c000000 > +#define CRGCTRL_PCIE_ASSERT_BIT 0x8c000000 > > /* Time for delay */ > -#define REF_2_PERST_MIN 20000 > -#define REF_2_PERST_MAX 25000 > +#define REF_2_PERST_MIN 20000 > +#define REF_2_PERST_MAX 25000 > #define PERST_2_ACCESS_MIN 10000 > #define PERST_2_ACCESS_MAX 12000 > #define LINK_WAIT_MIN 900 > @@ -80,22 +80,22 @@ > #define PIPE_CLK_WAIT_MAX 600 > > struct kirin_pcie { > - struct dw_pcie *pci; > - void __iomem *apb_base; > - void __iomem *phy_base; > - struct regmap *crgctrl; > - struct regmap *sysctrl; > - struct clk *apb_sys_clk; > - struct clk *apb_phy_clk; > - struct clk *phy_ref_clk; > - struct clk *pcie_aclk; > - struct clk *pcie_aux_clk; > - int gpio_id_reset; > + struct dw_pcie *pci; > + void __iomem *apb_base; > + void __iomem *phy_base; > + struct regmap *crgctrl; > + struct regmap *sysctrl; > + struct clk *apb_sys_clk; > + struct clk *apb_phy_clk; > + struct clk *phy_ref_clk; > + struct clk *pcie_aclk; > + struct clk *pcie_aux_clk; > + int gpio_id_reset; > }; > > /* Registers in PCIeCTRL */ > static inline void kirin_apb_ctrl_writel(struct kirin_pcie *kirin_pcie, > - u32 val, u32 reg) > + u32 val, u32 reg) > { > writel(val, kirin_pcie->apb_base + reg); > } > @@ -107,7 +107,7 @@ static inline u32 kirin_apb_ctrl_readl(struct kirin_pcie *kirin_pcie, u32 reg) > > /* Registers in PCIePHY */ > static inline void kirin_apb_phy_writel(struct kirin_pcie *kirin_pcie, > - u32 val, u32 reg) > + u32 val, u32 reg) > { > writel(val, kirin_pcie->phy_base + reg); > } > @@ -118,7 +118,7 @@ static inline u32 kirin_apb_phy_readl(struct kirin_pcie *kirin_pcie, u32 reg) > } > > static long kirin_pcie_get_clk(struct kirin_pcie *kirin_pcie, > - struct platform_device *pdev) > + struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > > @@ -146,7 +146,7 @@ static long kirin_pcie_get_clk(struct kirin_pcie *kirin_pcie, > } > > static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie, > - struct platform_device *pdev) > + struct platform_device *pdev) > { > struct resource *apb; > struct resource *phy; > @@ -184,7 +184,6 @@ static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie, > static int kirin_pcie_phy_init(struct kirin_pcie *kirin_pcie) > { > u32 reg_val; > - u32 time = PIPE_CLK_MAX_TRY_TIMES; > > reg_val = kirin_apb_phy_readl(kirin_pcie, PCIE_APB_PHY_CTRL1); > reg_val &= ~PHY_REF_PAD_BIT; > @@ -459,7 +458,7 @@ static int kirin_pcie_probe(struct platform_device *pdev) > int ret; > > if (!dev->of_node) { > - dev_err(&pdev->dev, "NULL node\n"); > + dev_err(dev, "NULL node\n"); > return -EINVAL; > } >