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From: Hanjun Guo <guohanjun@huawei.com>
To: Dongdong Liu <liudongdong3@huawei.com>,
	Bjorn Helgaas <helgaas@kernel.org>
Cc: <linux-pci@vger.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Gabriele Paoloni <gabriele.paoloni@huawei.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Tomasz Nowicki <tn@semihalf.com>, Duc Dang <dhdang@apm.com>,
	Sinan Kaya <okaya@codeaurora.org>,
	"Christopher Covington" <cov@codeaurora.org>
Subject: Re: [PATCH v10 00/12] PCI: ARM64 ECAM quirks
Date: Fri, 2 Dec 2016 16:15:43 +0800	[thread overview]
Message-ID: <58412DAF.1090001@huawei.com> (raw)
In-Reply-To: <42eec2b2-6ced-25a1-95d3-3b22e3b71bec@huawei.com>

On 2016/12/2 11:46, Dongdong Liu wrote:
> Hi Bjorn
>
> 在 2016/12/2 0:31, Bjorn Helgaas 写道:
>> On Thu, Dec 01, 2016 at 10:04:48PM +0800, Dongdong Liu wrote:
>>> ...
>>> Aftet fixing the compile errors. I tested on HiSilicon D03 board. It works ok.
>>> The dmesg is as below
>>
>> Thanks very much for testing this!  A few comments below.
>>
>>> root@(none)$ dmesg
>>> [    0.000000] Booting Linux on physical CPU 0x10000
>>> [    0.000000] Linux version 4.9.0-rc1-gaf05ef2-dirty (l00290354@linux-ioko) (gcc version 4.9.3 20150211 (prerelease) (20150316) ) #257 SMP PREEMPT Thu Dec 1 22:13:05 CST 2016
>>> [    0.000000] Boot CPU: AArch64 Processor [411fd071]
>>> [    0.000000] earlycon: hisilpcuart0 at MMIO 0x00000000a01b0000 (options '0,0x2f8')
>>> [    0.000000] bootconsole [hisilpcuart0] enabled
>>> [    0.000000] efi: Getting EFI parameters from FDT:
>>> [    0.000000] efi: EFI v2.60 by EDK II
>>> [    0.000000] efi:  SMBIOS=0x3f110000  SMBIOS 3.0=0x39ce0000  ACPI=0x39db0000  ACPI 2.0=0x39db0014  MEMATTR=0x3c945018
>>
>> On x86 we normally have info about the machine and BIOS, e.g.,
>>
>>   DMI: LENOVO 20FCS12V03/20FCS12V03, BIOS N1FET40W (1.14 ) 04/18/2016
>>
>> I think this comes from dmi_present(), and it looks like we should
>> call that via arm64_dmi_init().  Any idea why we don't see that info?
>> Is it just missing from the SMBIOS table?  I think it's useful to
>> have for debugging problems.
>
> I need to ask my colleagues about this, then reply.

git grep -w "DMI:"
drivers/firmware/dmi_scan.c:                      printk(KERN_DEBUG "DMI: %s\n", dmi_ids_string);
drivers/firmware/dmi_scan.c:                      pr_debug("DMI: %s\n", dmi_ids_string);

It's a pr_debug information, seems we didn't enable the debug print?

Thanks
Hanjun

  reply	other threads:[~2016-12-02  8:15 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-01  8:29 [PATCH v10 00/12] PCI: ARM64 ECAM quirks Bjorn Helgaas
2016-12-01  8:29 ` [PATCH v10 01/12] ACPI: Add acpi_resource_consumer() to find device that claims a resource Bjorn Helgaas
2016-12-01 13:17   ` Rafael J. Wysocki
2016-12-01 16:35     ` Bjorn Helgaas
2016-12-01  8:29 ` [PATCH v10 02/12] PCI: Search ACPI namespace to ensure ECAM space is reserved Bjorn Helgaas
2016-12-01 14:17   ` Lorenzo Pieralisi
2016-12-01 18:05     ` Bjorn Helgaas
2016-12-01  8:29 ` [PATCH v10 03/12] x86/PCI: Use acpi_resource_consumer() to search ACPI namespace for MMCFG Bjorn Helgaas
2016-12-01  8:29 ` [PATCH v10 04/12] arm64: PCI: Manage controller-specific data on per-controller basis Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 05/12] PCI/ACPI: Extend pci_mcfg_lookup() to return ECAM config accessors Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 06/12] PCI/ACPI: Check for platform-specific MCFG quirks Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 07/12] PCI/ACPI: Provide acpi_get_rc_resources() for ARM64 platform Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 08/12] PCI: Add MCFG quirks for Qualcomm QDF2432 host controller Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 09/12] PCI: Add MCFG quirks for HiSilicon Hip05/06/07 host controllers Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 10/12] PCI: thunder-pem: Factor out resource lookup Bjorn Helgaas
2016-12-01  8:30 ` [PATCH v10 11/12] PCI: Add MCFG quirks for Cavium ThunderX pass2.x host controller Bjorn Helgaas
2016-12-02 17:35   ` Bjorn Helgaas
2016-12-05  8:32     ` Tomasz Nowicki
2016-12-01  8:31 ` [PATCH v10 12/12] PCI: Add MCFG quirks for Cavium ThunderX pass1.x " Bjorn Helgaas
2016-12-01 19:02   ` Tomasz Nowicki
2016-12-01 20:24     ` Bjorn Helgaas
2016-12-01 13:02 ` [PATCH v10 00/12] PCI: ARM64 ECAM quirks Dongdong Liu
2016-12-01 14:04   ` Dongdong Liu
2016-12-01 16:31     ` Bjorn Helgaas
2016-12-02  3:46       ` Dongdong Liu
2016-12-02  8:15         ` Hanjun Guo [this message]
2016-12-02 21:22           ` Bjorn Helgaas
2016-12-01 18:01 ` Bjorn Helgaas
2016-12-02 11:42   ` Dongdong Liu
2016-12-01 21:53 ` Gabriele Paoloni
2016-12-02 14:20 ` Tomasz Nowicki
2016-12-02 21:57   ` Bjorn Helgaas
2016-12-05 12:36     ` Tomasz Nowicki
2016-12-06 18:56       ` Bjorn Helgaas

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