linux-kernel - Re: 回复:[PATCH 1/6] PCI: Add Loongson vendor ID and 7A1000 device IDs

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Date:   Tue, 10 Mar 2020 10:37:34 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
CC:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Huacai Chen <chenhc@...ote.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jens Axboe <axboe@...nel.dk>,
        linux-mips <linux-mips@...r.kernel.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        linux-ide <linux-ide@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: 回复:[PATCH 1/6] PCI: Add Loongson vendor ID and 7A1000 device IDs



于 2020年3月10日 GMT+08:00 上午10:31:56, Tiezhu Yang <yangtiezhu@...ngson.cn> 写到:
>On 03/09/2020 04:50 PM, Jiaxun Yang wrote:
>>   ---- 在 星期一, 2020-03-09 16:23:21 Tiezhu Yang
><yangtiezhu@...ngson.cn> 撰写 ----
>>   > Add the Loongson vendor ID and 7A1000 device IDs to pci_ids.h
>>   > to be used by the controller driver in the future.
>>   >
>>   > The Loongson IDs can be found at the following link:
>>   >
>https://git.kernel.org/pub/scm/utils/pciutils/pciutils.git/tree/pci.ids
>>   >
>>   > Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
>>   > ---
>>   >  include/linux/pci_ids.h | 18 ++++++++++++++++++
>>   >  1 file changed, 18 insertions(+)
>>   >
>>   > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
>>   > index 352c0d7..0125ab4 100644
>>   > --- a/include/linux/pci_ids.h
>>   > +++ b/include/linux/pci_ids.h
>>   > @@ -3113,4 +3113,22 @@
>>   >
>>   >  #define PCI_VENDOR_ID_NCUBE        0x10ff
>>   >
>>   > +#define PCI_VENDOR_ID_LOONGSON            0x0014
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_HT    0x7a00
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_APB    0x7a02
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_GMAC    0x7a03
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_OTG    0x7a04
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_DC    0x7a06
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_HDA    0x7a07
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_SATA    0x7a08
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_PCIE_X1    0x7a09
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_SPI    0x7a0b
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_LPC    0x7a0c
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_DMA    0x7a0f
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_EHCI    0x7a14
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_GPU    0x7a15
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_PCIE_X4    0x7a19
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_OHCI    0x7a24
>>   > +#define PCI_DEVICE_ID_LOONGSON_7A1000_PCIE_X8    0x7a29
>>
>> Devices IDs are unlikely to be reused by mutiple subsystems, so
>probably we don't need
>> to add them here?
>
>Hi Jiaxun,
>
>I think it is better to define the device IDs in pci_ids.h,
>otherwise it seems a little disorganized.

Please read the comment at the start of this file.
New entries should be added only if they're shared by multiple drivers.

That's the rule.

And probably you can split these two patches into a new series
as they're likely to be accepted.

Thanks.

>
>Thanks,
>
>Tiezhu Yang
>
>>   
>>> +
>>   >  #endif /* _LINUX_PCI_IDS_H */
>>   > --
>>   > 2.1.0
>>   >
>>   >

-- 
Jiaxun Yang