All of lore.kernel.org
 help / color / mirror / Atom feed
From: Srikanth Thokala <sthokal@xilinx.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Srikanth Thokala <sthokal@xilinx.com>,
	Michal Simek <monstr@monstr.eu>, Arnd Bergmann <arnd@arndb.de>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	svemula@xilinx.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Michal Simek <michal.simek@xilinx.com>,
	Grant Likely <grant.likely@linaro.org>,
	anirudh@xilinx.com
Subject: Re: [PATCH v5] pcie: Add Xilinx PCIe Host Bridge IP driver
Date: Wed, 20 Aug 2014 17:43:39 +0530	[thread overview]
Message-ID: <CA+mB=1+vy-9bM6gOBekU4V4id187gjstXq5frOQFjRqnAig4JQ@mail.gmail.com> (raw)
In-Reply-To: <20140818184933.GA2028@google.com>

Hi Bjorn,

On Tue, Aug 19, 2014 at 12:19 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Mon, Aug 18, 2014 at 02:47:23PM +0530, Srikanth Thokala wrote:
>> Hi Michal,
>>
>> On Tue, Aug 12, 2014 at 3:07 PM, Michal Simek <monstr@monstr.eu> wrote:
>> > Hi Bjorn,
>> >
>> > On 07/30/2014 01:24 PM, Srikanth Thokala wrote:
>> >> Hi Arnd,
>> >>
>> >> On Mon, Jul 28, 2014 at 6:32 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>> >>> On Monday 28 July 2014 18:04:34 Srikanth Thokala wrote:
>> >>>> Hi Arnd and Rob,
>> >>>>
>> >>>> I discussed with Bjorn and we believe this patch is in good shape to
>> >>>> apply.  And Bjorn requires ACKs to apply this patch.  So, could you
>> >>>> guys please review this patch and provided your ACKs to this patch.
>> >>>
>> >>> Looks great for the most part. I've looked through the whole driver
>> >>> again, and I have two small issues remaining:
>> >>>
>> >>> a) Please clarify in the changeset description why there is no support
>> >>>    for PCI I/O space.
>> >>
>> >> Sure, I will add to my changeset.
>> >>
>> >>>
>> >>> b) I think you should use the 'msi-parent' property, and the
>> >>>    of_pci_find_msi_chip_by_node() to find the msi_chip for the
>> >>>    PCI controller. This will make it possible to forward MSIs
>> >>>    to the main interrupt controller in the system, which is more
>> >>>    efficient. See the pcie-mvebu driver for an example of this.
>> >>
>> >> Ok, I need to look into this and I will plan to implement on top of this patch.
>> >>
>> >>>
>> >>> Other than these:
>> >>>
>> >>> Acked-by: Arnd Bergmann <arnd@arndb.de>
>> >>
>> >> Thanks Arnd for the Ack.
>> >
>> > What's the status on this one?
>>
>> It looks like Bjorn is on vacation.  I have sent v6 patch by adding
>> Ack from Arnd, which
>> I feel is in good shape to be applied.
>
> I actually started applying this last night (see [1]), but got some
> errors from the build-bot (attached).  I haven't looked into them,
> but my guess is that you're missing a Kconfig dependency or something
> equally minor.

These are due to the same config flag name (CONFIG_PCI_XILINX) being used
for Microblaze and Zynq platforms.  I will fix it and send you next
version of patch.

Thanks,
Srikanth

>
> Bjorn
>
> [1] http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=pci/host-xilinx&id=a58f3d0c3b1c4a71a2418c3306fba86c26a49781
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Bjorn Helgaas <bhelgaas@google.com>
> Cc:
> Date: Mon, 18 Aug 2014 12:40:06 +0800
> Subject: [pci:pci/host-xilinx] a58f3d0c3b1c4a71a2418c3306fba86c26a49781 BUILD DONE
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git  pci/host-xilinx
> a58f3d0c3b1c4a71a2418c3306fba86c26a49781  PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
>
> drivers/pci/host/pci-xilinx.c:470:21: error: 'IRQF_VALID' undeclared (first use in this function)
> drivers/pci/host/pci-xilinx.c:742:14: error: dereferencing pointer to incomplete type
> drivers/pci/host/pci-xilinx.c:939:2: error: implicit declaration of function 'pci_common_init_dev' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:417:2: error: implicit declaration of function 'set_irq_flags' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:938:2: error: invalid use of undefined type 'struct hw_pci'
> drivers/pci/host/pci-xilinx.c:888:16: error: storage size of 'hw' isn't known
> drivers/pci/host/pci-xilinx.c:935:3: error: unknown field 'add_bus' specified in initializer
> drivers/pci/host/pci-xilinx.c:934:3: error: unknown field 'map_irq' specified in initializer
> drivers/pci/host/pci-xilinx.c:931:3: error: unknown field 'nr_controllers' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: error: unknown field 'ops' specified in initializer
> drivers/pci/host/pci-xilinx.c:932:3: error: unknown field 'private_data' specified in initializer
> drivers/pci/host/pci-xilinx.c:936:3: error: unknown field 'scan' specified in initializer
> drivers/pci/host/pci-xilinx.c:933:3: error: unknown field 'setup' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: warning: (near initialization for '(anonymous)')
> drivers/pci/host/pci-xilinx.c:937:3: warning: excess elements in struct initializer
> drivers/pci/host/pci-xilinx.c:124:59: warning: its scope is only this definition or declaration, which is probably not what you want
> drivers/pci/host/pci-xilinx.c:737:34: warning: passing argument 1 of 'sys_to_pcie' from incompatible pointer type
> drivers/pci/host/pci-xilinx.c:735:17: warning: 'struct pci_sys_data' declared inside parameter list
>
> elapsed time: 25m
>
> configs tested: 112
>
> parisc                        c3000_defconfig
> parisc                         b180_defconfig
> parisc                              defconfig
> alpha                               defconfig
> parisc                            allnoconfig
> i386                              allnoconfig
> i386                                defconfig
> i386                             allmodconfig
> i386                             alldefconfig
> sh                            titan_defconfig
> sh                          rsk7269_defconfig
> sh                  sh7785lcr_32bit_defconfig
> sh                                allnoconfig
> x86_64                     randconfig-c3-0818
> x86_64                     randconfig-c1-0818
> x86_64                     randconfig-c0-0818
> x86_64                     randconfig-c2-0818
> ia64                             allmodconfig
> ia64                              allnoconfig
> ia64                                defconfig
> ia64                             alldefconfig
> x86_64                                    lkp
> x86_64                                   rhel
> powerpc                      chroma_defconfig
> powerpc                 linkstation_defconfig
> powerpc                               powerpc
> powerpc                         wii_defconfig
> powerpc                    gamecube_defconfig
> powerpc               corenet64_smp_defconfig
> powerpc                               mpc512x
> powerpc                                ppc44x
> x86_64                     randconfig-j0-0818
> x86_64                     randconfig-j1-0818
> i386                      randconfig-ha2-0818
> i386                      randconfig-ha5-0818
> i386                      randconfig-ha4-0818
> i386                      randconfig-ha3-0818
> i386                      randconfig-ha0-0818
> i386                      randconfig-ha1-0818
> sparc                               defconfig
> sparc64                           allnoconfig
> sparc64                             defconfig
> x86_64                           allmodconfig
> xtensa                       common_defconfig
> m32r                       m32104ut_defconfig
> xtensa                          iss_defconfig
> m32r                         opsput_defconfig
> m32r                           usrv_defconfig
> m32r                     mappi3.smp_defconfig
> i386                          randconfig-i002
> i386                          randconfig-i003
> i386                          randconfig-i000
> i386                          randconfig-i001
> i386                          randconfig-i006
> i386                          randconfig-i007
> i386                          randconfig-i004
> i386                          randconfig-i005
> i386                          randconfig-i008
> i386                          randconfig-i009
> x86_64                        randconfig-i009
> x86_64                        randconfig-i008
> x86_64                        randconfig-i003
> x86_64                        randconfig-i002
> x86_64                        randconfig-i001
> x86_64                        randconfig-i000
> x86_64                        randconfig-i007
> x86_64                        randconfig-i006
> x86_64                        randconfig-i005
> x86_64                        randconfig-i004
> microblaze                      mmu_defconfig
> microblaze                    nommu_defconfig
> i386                             allyesconfig
> cris                 etrax-100lx_v2_defconfig
> blackfin                  TCM-BF537_defconfig
> blackfin            BF561-EZKIT-SMP_defconfig
> blackfin                BF533-EZKIT_defconfig
> blackfin                BF526-EZBRD_defconfig
> i386                       randconfig-r2-0818
> i386                       randconfig-r1-0818
> i386                       randconfig-r0-0818
> i386                       randconfig-r3-0818
> mn10300                     asb2364_defconfig
> openrisc                    or1ksim_defconfig
> um                           x86_64_defconfig
> um                             i386_defconfig
> avr32                      atngw100_defconfig
> frv                                 defconfig
> avr32                     atstk1006_defconfig
> tile                         tilegx_defconfig
> x86_64                   randconfig-x004-0817
> i386                     randconfig-x000-0817
> x86_64                   randconfig-x007-0817
> i386                     randconfig-x001-0817
> i386                     randconfig-x002-0817
> i386                     randconfig-x005-0817
> i386                     randconfig-x007-0817
> x86_64                   randconfig-x003-0817
> i386                     randconfig-x003-0817
> x86_64                   randconfig-x008-0817
> i386                     randconfig-x006-0817
> x86_64                   randconfig-x000-0817
> i386                     randconfig-x004-0817
> x86_64                   randconfig-x002-0817
> i386                     randconfig-x008-0817
> i386                     randconfig-x009-0817
> x86_64                   randconfig-x006-0817
> x86_64                   randconfig-x009-0817
> x86_64                   randconfig-x005-0817
> x86_64                   randconfig-x001-0817
> x86_64                             acpi-redef
> x86_64                           allyesdebian
> x86_64                                nfsroot
>
> Thanks,
> Fengguang
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Srikanth Thokala <sthokal@xilinx.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>, kbuild-all@01.org
> Date: Mon, 18 Aug 2014 15:16:51 +0800
> Subject: [pci:pci/host-xilinx 1/1] WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/host-xilinx
> head:   a58f3d0c3b1c4a71a2418c3306fba86c26a49781
> commit: a58f3d0c3b1c4a71a2418c3306fba86c26a49781 [1/1] PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
> config: make ARCH=arm allmodconfig
>
> All warnings:
>
>>> WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
>    The function xilinx_pcie_probe() references
>    the function __init xilinx_pcie_scan_bus().
>    This is often because xilinx_pcie_probe lacks a __init
>    annotation or the annotation of xilinx_pcie_scan_bus is wrong.
>
> ---
> 0-DAY kernel build testing backend              Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation
>

WARNING: multiple messages have this Message-ID (diff)
From: Srikanth Thokala <sthokal@xilinx.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: devicetree@vger.kernel.org, Michal Simek <monstr@monstr.eu>,
	Arnd Bergmann <arnd@arndb.de>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	svemula@xilinx.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Srikanth Thokala <sthokal@xilinx.com>,
	Rob Herring <robh+dt@kernel.org>,
	anirudh@xilinx.com, Grant Likely <grant.likely@linaro.org>,
	Michal Simek <michal.simek@xilinx.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5] pcie: Add Xilinx PCIe Host Bridge IP driver
Date: Wed, 20 Aug 2014 17:43:39 +0530	[thread overview]
Message-ID: <CA+mB=1+vy-9bM6gOBekU4V4id187gjstXq5frOQFjRqnAig4JQ@mail.gmail.com> (raw)
In-Reply-To: <20140818184933.GA2028@google.com>

Hi Bjorn,

On Tue, Aug 19, 2014 at 12:19 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Mon, Aug 18, 2014 at 02:47:23PM +0530, Srikanth Thokala wrote:
>> Hi Michal,
>>
>> On Tue, Aug 12, 2014 at 3:07 PM, Michal Simek <monstr@monstr.eu> wrote:
>> > Hi Bjorn,
>> >
>> > On 07/30/2014 01:24 PM, Srikanth Thokala wrote:
>> >> Hi Arnd,
>> >>
>> >> On Mon, Jul 28, 2014 at 6:32 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>> >>> On Monday 28 July 2014 18:04:34 Srikanth Thokala wrote:
>> >>>> Hi Arnd and Rob,
>> >>>>
>> >>>> I discussed with Bjorn and we believe this patch is in good shape to
>> >>>> apply.  And Bjorn requires ACKs to apply this patch.  So, could you
>> >>>> guys please review this patch and provided your ACKs to this patch.
>> >>>
>> >>> Looks great for the most part. I've looked through the whole driver
>> >>> again, and I have two small issues remaining:
>> >>>
>> >>> a) Please clarify in the changeset description why there is no support
>> >>>    for PCI I/O space.
>> >>
>> >> Sure, I will add to my changeset.
>> >>
>> >>>
>> >>> b) I think you should use the 'msi-parent' property, and the
>> >>>    of_pci_find_msi_chip_by_node() to find the msi_chip for the
>> >>>    PCI controller. This will make it possible to forward MSIs
>> >>>    to the main interrupt controller in the system, which is more
>> >>>    efficient. See the pcie-mvebu driver for an example of this.
>> >>
>> >> Ok, I need to look into this and I will plan to implement on top of this patch.
>> >>
>> >>>
>> >>> Other than these:
>> >>>
>> >>> Acked-by: Arnd Bergmann <arnd@arndb.de>
>> >>
>> >> Thanks Arnd for the Ack.
>> >
>> > What's the status on this one?
>>
>> It looks like Bjorn is on vacation.  I have sent v6 patch by adding
>> Ack from Arnd, which
>> I feel is in good shape to be applied.
>
> I actually started applying this last night (see [1]), but got some
> errors from the build-bot (attached).  I haven't looked into them,
> but my guess is that you're missing a Kconfig dependency or something
> equally minor.

These are due to the same config flag name (CONFIG_PCI_XILINX) being used
for Microblaze and Zynq platforms.  I will fix it and send you next
version of patch.

Thanks,
Srikanth

>
> Bjorn
>
> [1] http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=pci/host-xilinx&id=a58f3d0c3b1c4a71a2418c3306fba86c26a49781
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Bjorn Helgaas <bhelgaas@google.com>
> Cc:
> Date: Mon, 18 Aug 2014 12:40:06 +0800
> Subject: [pci:pci/host-xilinx] a58f3d0c3b1c4a71a2418c3306fba86c26a49781 BUILD DONE
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git  pci/host-xilinx
> a58f3d0c3b1c4a71a2418c3306fba86c26a49781  PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
>
> drivers/pci/host/pci-xilinx.c:470:21: error: 'IRQF_VALID' undeclared (first use in this function)
> drivers/pci/host/pci-xilinx.c:742:14: error: dereferencing pointer to incomplete type
> drivers/pci/host/pci-xilinx.c:939:2: error: implicit declaration of function 'pci_common_init_dev' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:417:2: error: implicit declaration of function 'set_irq_flags' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:938:2: error: invalid use of undefined type 'struct hw_pci'
> drivers/pci/host/pci-xilinx.c:888:16: error: storage size of 'hw' isn't known
> drivers/pci/host/pci-xilinx.c:935:3: error: unknown field 'add_bus' specified in initializer
> drivers/pci/host/pci-xilinx.c:934:3: error: unknown field 'map_irq' specified in initializer
> drivers/pci/host/pci-xilinx.c:931:3: error: unknown field 'nr_controllers' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: error: unknown field 'ops' specified in initializer
> drivers/pci/host/pci-xilinx.c:932:3: error: unknown field 'private_data' specified in initializer
> drivers/pci/host/pci-xilinx.c:936:3: error: unknown field 'scan' specified in initializer
> drivers/pci/host/pci-xilinx.c:933:3: error: unknown field 'setup' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: warning: (near initialization for '(anonymous)')
> drivers/pci/host/pci-xilinx.c:937:3: warning: excess elements in struct initializer
> drivers/pci/host/pci-xilinx.c:124:59: warning: its scope is only this definition or declaration, which is probably not what you want
> drivers/pci/host/pci-xilinx.c:737:34: warning: passing argument 1 of 'sys_to_pcie' from incompatible pointer type
> drivers/pci/host/pci-xilinx.c:735:17: warning: 'struct pci_sys_data' declared inside parameter list
>
> elapsed time: 25m
>
> configs tested: 112
>
> parisc                        c3000_defconfig
> parisc                         b180_defconfig
> parisc                              defconfig
> alpha                               defconfig
> parisc                            allnoconfig
> i386                              allnoconfig
> i386                                defconfig
> i386                             allmodconfig
> i386                             alldefconfig
> sh                            titan_defconfig
> sh                          rsk7269_defconfig
> sh                  sh7785lcr_32bit_defconfig
> sh                                allnoconfig
> x86_64                     randconfig-c3-0818
> x86_64                     randconfig-c1-0818
> x86_64                     randconfig-c0-0818
> x86_64                     randconfig-c2-0818
> ia64                             allmodconfig
> ia64                              allnoconfig
> ia64                                defconfig
> ia64                             alldefconfig
> x86_64                                    lkp
> x86_64                                   rhel
> powerpc                      chroma_defconfig
> powerpc                 linkstation_defconfig
> powerpc                               powerpc
> powerpc                         wii_defconfig
> powerpc                    gamecube_defconfig
> powerpc               corenet64_smp_defconfig
> powerpc                               mpc512x
> powerpc                                ppc44x
> x86_64                     randconfig-j0-0818
> x86_64                     randconfig-j1-0818
> i386                      randconfig-ha2-0818
> i386                      randconfig-ha5-0818
> i386                      randconfig-ha4-0818
> i386                      randconfig-ha3-0818
> i386                      randconfig-ha0-0818
> i386                      randconfig-ha1-0818
> sparc                               defconfig
> sparc64                           allnoconfig
> sparc64                             defconfig
> x86_64                           allmodconfig
> xtensa                       common_defconfig
> m32r                       m32104ut_defconfig
> xtensa                          iss_defconfig
> m32r                         opsput_defconfig
> m32r                           usrv_defconfig
> m32r                     mappi3.smp_defconfig
> i386                          randconfig-i002
> i386                          randconfig-i003
> i386                          randconfig-i000
> i386                          randconfig-i001
> i386                          randconfig-i006
> i386                          randconfig-i007
> i386                          randconfig-i004
> i386                          randconfig-i005
> i386                          randconfig-i008
> i386                          randconfig-i009
> x86_64                        randconfig-i009
> x86_64                        randconfig-i008
> x86_64                        randconfig-i003
> x86_64                        randconfig-i002
> x86_64                        randconfig-i001
> x86_64                        randconfig-i000
> x86_64                        randconfig-i007
> x86_64                        randconfig-i006
> x86_64                        randconfig-i005
> x86_64                        randconfig-i004
> microblaze                      mmu_defconfig
> microblaze                    nommu_defconfig
> i386                             allyesconfig
> cris                 etrax-100lx_v2_defconfig
> blackfin                  TCM-BF537_defconfig
> blackfin            BF561-EZKIT-SMP_defconfig
> blackfin                BF533-EZKIT_defconfig
> blackfin                BF526-EZBRD_defconfig
> i386                       randconfig-r2-0818
> i386                       randconfig-r1-0818
> i386                       randconfig-r0-0818
> i386                       randconfig-r3-0818
> mn10300                     asb2364_defconfig
> openrisc                    or1ksim_defconfig
> um                           x86_64_defconfig
> um                             i386_defconfig
> avr32                      atngw100_defconfig
> frv                                 defconfig
> avr32                     atstk1006_defconfig
> tile                         tilegx_defconfig
> x86_64                   randconfig-x004-0817
> i386                     randconfig-x000-0817
> x86_64                   randconfig-x007-0817
> i386                     randconfig-x001-0817
> i386                     randconfig-x002-0817
> i386                     randconfig-x005-0817
> i386                     randconfig-x007-0817
> x86_64                   randconfig-x003-0817
> i386                     randconfig-x003-0817
> x86_64                   randconfig-x008-0817
> i386                     randconfig-x006-0817
> x86_64                   randconfig-x000-0817
> i386                     randconfig-x004-0817
> x86_64                   randconfig-x002-0817
> i386                     randconfig-x008-0817
> i386                     randconfig-x009-0817
> x86_64                   randconfig-x006-0817
> x86_64                   randconfig-x009-0817
> x86_64                   randconfig-x005-0817
> x86_64                   randconfig-x001-0817
> x86_64                             acpi-redef
> x86_64                           allyesdebian
> x86_64                                nfsroot
>
> Thanks,
> Fengguang
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Srikanth Thokala <sthokal@xilinx.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>, kbuild-all@01.org
> Date: Mon, 18 Aug 2014 15:16:51 +0800
> Subject: [pci:pci/host-xilinx 1/1] WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/host-xilinx
> head:   a58f3d0c3b1c4a71a2418c3306fba86c26a49781
> commit: a58f3d0c3b1c4a71a2418c3306fba86c26a49781 [1/1] PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
> config: make ARCH=arm allmodconfig
>
> All warnings:
>
>>> WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
>    The function xilinx_pcie_probe() references
>    the function __init xilinx_pcie_scan_bus().
>    This is often because xilinx_pcie_probe lacks a __init
>    annotation or the annotation of xilinx_pcie_scan_bus is wrong.
>
> ---
> 0-DAY kernel build testing backend              Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation
>

WARNING: multiple messages have this Message-ID (diff)
From: sthokal@xilinx.com (Srikanth Thokala)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5] pcie: Add Xilinx PCIe Host Bridge IP driver
Date: Wed, 20 Aug 2014 17:43:39 +0530	[thread overview]
Message-ID: <CA+mB=1+vy-9bM6gOBekU4V4id187gjstXq5frOQFjRqnAig4JQ@mail.gmail.com> (raw)
In-Reply-To: <20140818184933.GA2028@google.com>

Hi Bjorn,

On Tue, Aug 19, 2014 at 12:19 AM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Mon, Aug 18, 2014 at 02:47:23PM +0530, Srikanth Thokala wrote:
>> Hi Michal,
>>
>> On Tue, Aug 12, 2014 at 3:07 PM, Michal Simek <monstr@monstr.eu> wrote:
>> > Hi Bjorn,
>> >
>> > On 07/30/2014 01:24 PM, Srikanth Thokala wrote:
>> >> Hi Arnd,
>> >>
>> >> On Mon, Jul 28, 2014 at 6:32 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>> >>> On Monday 28 July 2014 18:04:34 Srikanth Thokala wrote:
>> >>>> Hi Arnd and Rob,
>> >>>>
>> >>>> I discussed with Bjorn and we believe this patch is in good shape to
>> >>>> apply.  And Bjorn requires ACKs to apply this patch.  So, could you
>> >>>> guys please review this patch and provided your ACKs to this patch.
>> >>>
>> >>> Looks great for the most part. I've looked through the whole driver
>> >>> again, and I have two small issues remaining:
>> >>>
>> >>> a) Please clarify in the changeset description why there is no support
>> >>>    for PCI I/O space.
>> >>
>> >> Sure, I will add to my changeset.
>> >>
>> >>>
>> >>> b) I think you should use the 'msi-parent' property, and the
>> >>>    of_pci_find_msi_chip_by_node() to find the msi_chip for the
>> >>>    PCI controller. This will make it possible to forward MSIs
>> >>>    to the main interrupt controller in the system, which is more
>> >>>    efficient. See the pcie-mvebu driver for an example of this.
>> >>
>> >> Ok, I need to look into this and I will plan to implement on top of this patch.
>> >>
>> >>>
>> >>> Other than these:
>> >>>
>> >>> Acked-by: Arnd Bergmann <arnd@arndb.de>
>> >>
>> >> Thanks Arnd for the Ack.
>> >
>> > What's the status on this one?
>>
>> It looks like Bjorn is on vacation.  I have sent v6 patch by adding
>> Ack from Arnd, which
>> I feel is in good shape to be applied.
>
> I actually started applying this last night (see [1]), but got some
> errors from the build-bot (attached).  I haven't looked into them,
> but my guess is that you're missing a Kconfig dependency or something
> equally minor.

These are due to the same config flag name (CONFIG_PCI_XILINX) being used
for Microblaze and Zynq platforms.  I will fix it and send you next
version of patch.

Thanks,
Srikanth

>
> Bjorn
>
> [1] http://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/commit/?h=pci/host-xilinx&id=a58f3d0c3b1c4a71a2418c3306fba86c26a49781
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Bjorn Helgaas <bhelgaas@google.com>
> Cc:
> Date: Mon, 18 Aug 2014 12:40:06 +0800
> Subject: [pci:pci/host-xilinx] a58f3d0c3b1c4a71a2418c3306fba86c26a49781 BUILD DONE
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git  pci/host-xilinx
> a58f3d0c3b1c4a71a2418c3306fba86c26a49781  PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
>
> drivers/pci/host/pci-xilinx.c:470:21: error: 'IRQF_VALID' undeclared (first use in this function)
> drivers/pci/host/pci-xilinx.c:742:14: error: dereferencing pointer to incomplete type
> drivers/pci/host/pci-xilinx.c:939:2: error: implicit declaration of function 'pci_common_init_dev' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:417:2: error: implicit declaration of function 'set_irq_flags' [-Werror=implicit-function-declaration]
> drivers/pci/host/pci-xilinx.c:938:2: error: invalid use of undefined type 'struct hw_pci'
> drivers/pci/host/pci-xilinx.c:888:16: error: storage size of 'hw' isn't known
> drivers/pci/host/pci-xilinx.c:935:3: error: unknown field 'add_bus' specified in initializer
> drivers/pci/host/pci-xilinx.c:934:3: error: unknown field 'map_irq' specified in initializer
> drivers/pci/host/pci-xilinx.c:931:3: error: unknown field 'nr_controllers' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: error: unknown field 'ops' specified in initializer
> drivers/pci/host/pci-xilinx.c:932:3: error: unknown field 'private_data' specified in initializer
> drivers/pci/host/pci-xilinx.c:936:3: error: unknown field 'scan' specified in initializer
> drivers/pci/host/pci-xilinx.c:933:3: error: unknown field 'setup' specified in initializer
> drivers/pci/host/pci-xilinx.c:937:3: warning: (near initialization for '(anonymous)')
> drivers/pci/host/pci-xilinx.c:937:3: warning: excess elements in struct initializer
> drivers/pci/host/pci-xilinx.c:124:59: warning: its scope is only this definition or declaration, which is probably not what you want
> drivers/pci/host/pci-xilinx.c:737:34: warning: passing argument 1 of 'sys_to_pcie' from incompatible pointer type
> drivers/pci/host/pci-xilinx.c:735:17: warning: 'struct pci_sys_data' declared inside parameter list
>
> elapsed time: 25m
>
> configs tested: 112
>
> parisc                        c3000_defconfig
> parisc                         b180_defconfig
> parisc                              defconfig
> alpha                               defconfig
> parisc                            allnoconfig
> i386                              allnoconfig
> i386                                defconfig
> i386                             allmodconfig
> i386                             alldefconfig
> sh                            titan_defconfig
> sh                          rsk7269_defconfig
> sh                  sh7785lcr_32bit_defconfig
> sh                                allnoconfig
> x86_64                     randconfig-c3-0818
> x86_64                     randconfig-c1-0818
> x86_64                     randconfig-c0-0818
> x86_64                     randconfig-c2-0818
> ia64                             allmodconfig
> ia64                              allnoconfig
> ia64                                defconfig
> ia64                             alldefconfig
> x86_64                                    lkp
> x86_64                                   rhel
> powerpc                      chroma_defconfig
> powerpc                 linkstation_defconfig
> powerpc                               powerpc
> powerpc                         wii_defconfig
> powerpc                    gamecube_defconfig
> powerpc               corenet64_smp_defconfig
> powerpc                               mpc512x
> powerpc                                ppc44x
> x86_64                     randconfig-j0-0818
> x86_64                     randconfig-j1-0818
> i386                      randconfig-ha2-0818
> i386                      randconfig-ha5-0818
> i386                      randconfig-ha4-0818
> i386                      randconfig-ha3-0818
> i386                      randconfig-ha0-0818
> i386                      randconfig-ha1-0818
> sparc                               defconfig
> sparc64                           allnoconfig
> sparc64                             defconfig
> x86_64                           allmodconfig
> xtensa                       common_defconfig
> m32r                       m32104ut_defconfig
> xtensa                          iss_defconfig
> m32r                         opsput_defconfig
> m32r                           usrv_defconfig
> m32r                     mappi3.smp_defconfig
> i386                          randconfig-i002
> i386                          randconfig-i003
> i386                          randconfig-i000
> i386                          randconfig-i001
> i386                          randconfig-i006
> i386                          randconfig-i007
> i386                          randconfig-i004
> i386                          randconfig-i005
> i386                          randconfig-i008
> i386                          randconfig-i009
> x86_64                        randconfig-i009
> x86_64                        randconfig-i008
> x86_64                        randconfig-i003
> x86_64                        randconfig-i002
> x86_64                        randconfig-i001
> x86_64                        randconfig-i000
> x86_64                        randconfig-i007
> x86_64                        randconfig-i006
> x86_64                        randconfig-i005
> x86_64                        randconfig-i004
> microblaze                      mmu_defconfig
> microblaze                    nommu_defconfig
> i386                             allyesconfig
> cris                 etrax-100lx_v2_defconfig
> blackfin                  TCM-BF537_defconfig
> blackfin            BF561-EZKIT-SMP_defconfig
> blackfin                BF533-EZKIT_defconfig
> blackfin                BF526-EZBRD_defconfig
> i386                       randconfig-r2-0818
> i386                       randconfig-r1-0818
> i386                       randconfig-r0-0818
> i386                       randconfig-r3-0818
> mn10300                     asb2364_defconfig
> openrisc                    or1ksim_defconfig
> um                           x86_64_defconfig
> um                             i386_defconfig
> avr32                      atngw100_defconfig
> frv                                 defconfig
> avr32                     atstk1006_defconfig
> tile                         tilegx_defconfig
> x86_64                   randconfig-x004-0817
> i386                     randconfig-x000-0817
> x86_64                   randconfig-x007-0817
> i386                     randconfig-x001-0817
> i386                     randconfig-x002-0817
> i386                     randconfig-x005-0817
> i386                     randconfig-x007-0817
> x86_64                   randconfig-x003-0817
> i386                     randconfig-x003-0817
> x86_64                   randconfig-x008-0817
> i386                     randconfig-x006-0817
> x86_64                   randconfig-x000-0817
> i386                     randconfig-x004-0817
> x86_64                   randconfig-x002-0817
> i386                     randconfig-x008-0817
> i386                     randconfig-x009-0817
> x86_64                   randconfig-x006-0817
> x86_64                   randconfig-x009-0817
> x86_64                   randconfig-x005-0817
> x86_64                   randconfig-x001-0817
> x86_64                             acpi-redef
> x86_64                           allyesdebian
> x86_64                                nfsroot
>
> Thanks,
> Fengguang
>
>
> ---------- Forwarded message ----------
> From: kbuild test robot <fengguang.wu@intel.com>
> To: Srikanth Thokala <sthokal@xilinx.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>, kbuild-all at 01.org
> Date: Mon, 18 Aug 2014 15:16:51 +0800
> Subject: [pci:pci/host-xilinx 1/1] WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/host-xilinx
> head:   a58f3d0c3b1c4a71a2418c3306fba86c26a49781
> commit: a58f3d0c3b1c4a71a2418c3306fba86c26a49781 [1/1] PCI: xilinx: Add Xilinx PCIe Host Bridge IP driver
> config: make ARCH=arm allmodconfig
>
> All warnings:
>
>>> WARNING: drivers/built-in.o(.text+0x64acc): Section mismatch in reference from the function xilinx_pcie_probe() to the function .init.text:xilinx_pcie_scan_bus()
>    The function xilinx_pcie_probe() references
>    the function __init xilinx_pcie_scan_bus().
>    This is often because xilinx_pcie_probe lacks a __init
>    annotation or the annotation of xilinx_pcie_scan_bus is wrong.
>
> ---
> 0-DAY kernel build testing backend              Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation
>

  reply	other threads:[~2014-08-20 12:13 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-23 16:03 [PATCH v5] pcie: Add Xilinx PCIe Host Bridge IP driver Srikanth Thokala
2014-07-23 16:03 ` Srikanth Thokala
2014-07-28 12:34 ` Srikanth Thokala
2014-07-28 12:34   ` Srikanth Thokala
2014-07-28 12:34   ` Srikanth Thokala
2014-07-28 13:02   ` Arnd Bergmann
2014-07-28 13:02     ` Arnd Bergmann
2014-07-28 13:02     ` Arnd Bergmann
2014-07-30 11:24     ` Srikanth Thokala
2014-07-30 11:24       ` Srikanth Thokala
2014-07-30 11:24       ` Srikanth Thokala
2014-08-12  9:37       ` Michal Simek
2014-08-12  9:37         ` Michal Simek
2014-08-12  9:37         ` Michal Simek
2014-08-18  9:17         ` Srikanth Thokala
2014-08-18  9:17           ` Srikanth Thokala
2014-08-18  9:17           ` Srikanth Thokala
2014-08-18 18:49           ` Bjorn Helgaas
2014-08-18 18:49             ` Bjorn Helgaas
2014-08-18 18:49             ` Bjorn Helgaas
2014-08-20 12:13             ` Srikanth Thokala [this message]
2014-08-20 12:13               ` Srikanth Thokala
2014-08-20 12:13               ` Srikanth Thokala
2014-08-20 12:13               ` Srikanth Thokala

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CA+mB=1+vy-9bM6gOBekU4V4id187gjstXq5frOQFjRqnAig4JQ@mail.gmail.com' \
    --to=sthokal@xilinx.com \
    --cc=anirudh@xilinx.com \
    --cc=arnd@arndb.de \
    --cc=bhelgaas@google.com \
    --cc=devicetree@vger.kernel.org \
    --cc=grant.likely@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=michal.simek@xilinx.com \
    --cc=monstr@monstr.eu \
    --cc=robh+dt@kernel.org \
    --cc=svemula@xilinx.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.