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SubjectRe: [PATCH net-next 06/11] net: hns3: modify firmware version display format
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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.

> 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.

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