Messages in this thread | | | Subject | Re: [PATCH v9 11/22] IB/hns: Add IB device registration | From | "Wei Hu (Xavier)" <> | Date | Fri, 17 Jun 2016 09:25:44 +0800 |
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On 2016/6/13 20:46, Leon Romanovsky wrote: > On Sun, Jun 12, 2016 at 05:41:06PM +0800, Wei Hu (Xavier) wrote: >> >> On 2016/6/9 14:26, Leon Romanovsky wrote: >>> On Wed, Jun 01, 2016 at 11:37:53PM +0800, Lijun Ou wrote: >>>> This patch registered IB device when loaded, and unregistered >>>> IB device when removed. >>>> >>>> Signed-off-by: Wei Hu <xavier.huwei@huawei.com> >>>> Signed-off-by: Nenglong Zhao <zhaonenglong@hisilicon.com> >>>> Signed-off-by: Lijun Ou <oulijun@huawei.com> >>>> --- >>>> drivers/infiniband/hw/hns/hns_roce_main.c | 46 +++++++++++++++++++++++++++++++ >>>> 1 file changed, 46 insertions(+) >>>> >>>> diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c >>>> index 7fb0d34..f179a7f 100644 >>>> --- a/drivers/infiniband/hw/hns/hns_roce_main.c >>>> +++ b/drivers/infiniband/hw/hns/hns_roce_main.c >>>> @@ -62,6 +62,41 @@ >>>> #include "hns_roce_device.h" >>>> #include "hns_roce_icm.h" >>>> +void hns_roce_unregister_device(struct hns_roce_dev *hr_dev) >>> You are not calling to this function in this patch. >>> >>>> +{ >>>> + ib_unregister_device(&hr_dev->ib_dev); >>>> +} >>>> + >>>> +int hns_roce_register_device(struct hns_roce_dev *hr_dev) >>> This function should be static. >>> >>>> +{ >>>> + int ret; >>>> + struct hns_roce_ib_iboe *iboe = NULL; >>>> + struct ib_device *ib_dev = NULL; >>>> + struct device *dev = &hr_dev->pdev->dev; >>>> + >>>> + iboe = &hr_dev->iboe; >>>> + >>>> + ib_dev = &hr_dev->ib_dev; >>>> + strlcpy(ib_dev->name, "hisi_%d", IB_DEVICE_NAME_MAX); >>>> + >>>> + ib_dev->owner = THIS_MODULE; >>>> + ib_dev->node_type = RDMA_NODE_IB_CA; >>>> + ib_dev->dma_device = dev; >>>> + >>>> + ib_dev->phys_port_cnt = hr_dev->caps.num_ports; >>>> + ib_dev->local_dma_lkey = hr_dev->caps.reserved_lkey; >>>> + ib_dev->num_comp_vectors = hr_dev->caps.num_comp_vectors; >>>> + ib_dev->uverbs_abi_ver = 1; >>>> + >>>> + ret = ib_register_device(ib_dev, NULL); >>>> + if (ret) { >>>> + dev_err(dev, "ib_register_device failed!\n"); >>>> + return ret; >>>> + } >>>> + >>>> + return 0; >>>> +} >>>> + >>>> int hns_roce_get_cfg(struct hns_roce_dev *hr_dev) >>>> { >>>> int i; >>>> @@ -363,6 +398,17 @@ static int hns_roce_probe(struct platform_device *pdev) >>>> goto error_failed_engine_init; >>>> } >>>> + ret = hns_roce_register_device(hr_dev); >>>> + if (ret) { >>>> + dev_err(dev, "register_device failed!\n"); >>> According to the current code, you will print this error together with >>> error line in hns_roce_register_device for the same failure. >>> >>> "ib_register_device failed!" >>> "register_device failed!" >> Hi, leon >> In this patch [PATCH v9 11/22], there is only one error branch in >> funtion named hns_roce_register_device. >> In the following patch [PATCH v9 13/22], we add more operation, there >> are more >> than two error branch in this function as below. > Yes, and in all these error flows you already printed debug messages, your > "register_device failed" print is useless. Hi, leon We have fixed it. And Oulijun have sent PATCH V10. Thanks
Regards Wei Hu
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