linux-pci.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tiezhu Yang <yangtiezhu@loongson.cn>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Andrew Murray <andrew.murray@arm.com>,
	zenglu@loongson.cn, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] PCI: Add Loongson vendor ID and device IDs
Date: Wed, 2 Oct 2019 08:53:36 +0800	[thread overview]
Message-ID: <af586d51-3080-3667-b277-65a8338fbf6f@loongson.cn> (raw)
In-Reply-To: <20191001125010.GA38575@google.com>

On 10/01/2019 08:50 PM, Bjorn Helgaas wrote:
> On Tue, Oct 01, 2019 at 10:53:44AM +0800, Tiezhu Yang wrote:
>> On 09/30/2019 10:02 PM, Andrew Murray wrote:
>>> On Mon, Sep 30, 2019 at 12:55:20PM +0800, Tiezhu Yang wrote:
>>>> Add the Loongson vendor ID and device IDs to pci_ids.h
>>>> to be used 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
>>>>
>>>> Co-developed-by: Lu Zeng <zenglu@loongson.cn>
>>>> Signed-off-by: Lu Zeng <zenglu@loongson.cn>
>>>> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
>>>> ---
>>>>    include/linux/pci_ids.h | 19 +++++++++++++++++++
>>>>    1 file changed, 19 insertions(+)
>>>>
>>>> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
>>>> index 21a5724..119639d 100644
>>>> --- a/include/linux/pci_ids.h
>>>> +++ b/include/linux/pci_ids.h
>>>> @@ -3111,4 +3111,23 @@
>>>>
>>>>    #define PCI_VENDOR_ID_NCUBE            0x10ff
>>>>
>>>> +#define PCI_VENDOR_ID_LOONGSON                 0x0014
>>>> +#define PCI_DEVICE_ID_LOONGSON_HT              0x7a00
>>>> +#define PCI_DEVICE_ID_LOONGSON_APB             0x7a02
>>>> +#define PCI_DEVICE_ID_LOONGSON_GMAC            0x7a03
>>>> +#define PCI_DEVICE_ID_LOONGSON_OTG             0x7a04
>>>> +#define PCI_DEVICE_ID_LOONGSON_GPU_2K1000      0x7a05
>>>> +#define PCI_DEVICE_ID_LOONGSON_DC              0x7a06
>>>> +#define PCI_DEVICE_ID_LOONGSON_HDA             0x7a07
>>>> +#define PCI_DEVICE_ID_LOONGSON_SATA            0x7a08
>>>> +#define PCI_DEVICE_ID_LOONGSON_PCIE_X1         0x7a09
>>>> +#define PCI_DEVICE_ID_LOONGSON_SPI             0x7a0b
>>>> +#define PCI_DEVICE_ID_LOONGSON_LPC             0x7a0c
>>>> +#define PCI_DEVICE_ID_LOONGSON_DMA             0x7a0f
>>>> +#define PCI_DEVICE_ID_LOONGSON_EHCI            0x7a14
>>>> +#define PCI_DEVICE_ID_LOONGSON_GPU_7A1000      0x7a15
>>>> +#define PCI_DEVICE_ID_LOONGSON_PCIE_X4         0x7a19
>>>> +#define PCI_DEVICE_ID_LOONGSON_OHCI            0x7a24
>>>> +#define PCI_DEVICE_ID_LOONGSON_PCIE_X8         0x7a29
>>> Hi Tiezhu,
>>>
>>> Thanks for the patch - however it is preferred to provide new PCI
>>> definitions along with the drivers that use them. They don't
>>> provide any useful value without drivers that use them.
>> Thanks for your reply. This is the first step of the Loongson kernel
>> team, we will submit other related individual driver patches step by
>> step in the near future, these small patches make an easily
>> understood change that can be verified by reviewers.
> There are two opposing goals here:
>
>    1) The "publish early, publish often" idea that posting small things
>    early helps get useful feedback.
>
>    2) The idea of waiting until things can be published in logical
>    units so readers can see context and how things fit together.
>
> I think Andrew's point (which I agree with) is that an individual
> trivial patch like this is not enough to give meaningful feedback.  I
> think you'll get better feedback if you wait and collect things until
> you can post a series that actually fixes a bug or adds a small
> feature.  It also makes it easier for me to track patches if I can
> deal with a whole series at once instead of trying to figure out which
> individual patches are related.
>
> So I'd encourage you to think in terms of a series of 3-10 patches
> that are all related and together produce something useful.  That's
> easier for readers to digest than the same patches posted
> incrementally over several days or weeks.

Hi Bjorn,

Thanks for your valuable suggestion, it is very useful. In the next work,
I will submit a series of patches as soon as possible.

Thanks,

Tiezhu Yang

>
> Bjorn


      reply	other threads:[~2019-10-02  0:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-30  4:55 Tiezhu Yang
2019-09-30 14:02 ` Andrew Murray
2019-10-01  2:53   ` Tiezhu Yang
2019-10-01 12:50     ` Bjorn Helgaas
2019-10-02  0:53       ` Tiezhu Yang [this message]

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=af586d51-3080-3667-b277-65a8338fbf6f@loongson.cn \
    --to=yangtiezhu@loongson.cn \
    --cc=andrew.murray@arm.com \
    --cc=helgaas@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=zenglu@loongson.cn \
    --subject='Re: [PATCH] PCI: Add Loongson vendor ID and device IDs' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).