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SubjectRe: [PATCH net-next 06/11] net: hns3: modify firmware version display format
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On 2019/7/26 5:32, Saeed Mahameed wrote:
> On Thu, 2019-07-25 at 10:34 +0800, tanhuazhong wrote:
>>
>> On 2019/7/25 2:34, Saeed Mahameed wrote:
>>> On Wed, 2019-07-24 at 11:18 +0800, Huazhong Tan wrote:
>>>> From: Yufeng Mo <moyufeng@huawei.com>
>>>>
>>>> This patch modifies firmware version display format in
>>>> hclge(vf)_cmd_init() and hns3_get_drvinfo(). Also, adds
>>>> some optimizations for firmware version display format.
>>>>
>>>> Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
>>>> Signed-off-by: Peng Li <lipeng321@huawei.com>
>>>> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
>>>> ---
>>>> drivers/net/ethernet/hisilicon/hns3/hnae3.h | 9
>>>> +++++++++
>>>> drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 15
>>>> +++++++++++++--
>>>> drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c | 10
>>>> +++++++++-
>>>> drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 11
>>>> +++++++++--
>>>> 4 files changed, 40 insertions(+), 5 deletions(-)
>>>>
>>>>
>
> [...]
>
>>>> --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
>>>> +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
>>>> @@ -419,7 +419,15 @@ int hclge_cmd_init(struct hclge_dev *hdev)
>>>> }
>>>> hdev->fw_version = version;
>>>>
>>>> - dev_info(&hdev->pdev->dev, "The firmware version is %08x\n",
>>>> version);
>>>> + pr_info_once("The firmware version is %lu.%lu.%lu.%lu\n",
>>>> + hnae3_get_field(version,
>>>> HNAE3_FW_VERSION_BYTE3_MASK,
>>>> + HNAE3_FW_VERSION_BYTE3_SHIFT),
>>>> + hnae3_get_field(version,
>>>> HNAE3_FW_VERSION_BYTE2_MASK,
>>>> + HNAE3_FW_VERSION_BYTE2_SHIFT),
>>>> + hnae3_get_field(version,
>>>> HNAE3_FW_VERSION_BYTE1_MASK,
>>>> + HNAE3_FW_VERSION_BYTE1_SHIFT),
>>>> + hnae3_get_field(version,
>>>> HNAE3_FW_VERSION_BYTE0_MASK,
>>>> + HNAE3_FW_VERSION_BYTE0_SHIFT));
>>>>
>>>
>>> Device name/string will not be printed now, what happens if i have
>>> multiple devices ? at least print the device name as it was before
>>>
>> Since on each board we only have one firmware, the firmware
>> version is same per device, and will not change when running.
>> So pr_info_once() looks good for this case.
>>
>
> boards change too often to have such static assumption.

Ok, I will use dev_info instead of pr_info here.

>
>> BTW, maybe we should change below print in the end of
>> hclge_init_ae_dev(), use dev_info() instead of pr_info(),
>> then we can know that which device has already initialized.
>> I will send other patch to do that, is it acceptable for you?
>>
>> "pr_info("%s driver initialization finished.\n", HCLGE_DRIVER_NAME);"
>>
>
> I would avoid using pr_info when i can ! if you have the option to
> print with dev information as it was before that is preferable.
>
> Thanks,
> Saeed.
>

Thanks,
Huazhong.

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