From: Vaibhav Jain <vaibhav@linux.ibm.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
dan.j.williams@intel.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-nvdimm@lists.01.org,
Oliver O'Halloran <oohall@gmail.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH] nvdimm/of_pmem: Provide a unique name for bus provider
Date: Wed, 07 Aug 2019 11:12:58 +0530 [thread overview]
Message-ID: <8736id1qfx.fsf@vajain21.in.ibm.com> (raw)
In-Reply-To: <20190807040029.11344-1-aneesh.kumar@linux.ibm.com>
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> writes:
> ndctl utility requires the ndbus to have unique names. If not while
> enumerating the bus in userspace it drops bus with similar names.
> This results in us not listing devices beneath the bus.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
> ---
> drivers/nvdimm/of_pmem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c
> index a0c8dcfa0bf9..97187d6c0bdb 100644
> --- a/drivers/nvdimm/of_pmem.c
> +++ b/drivers/nvdimm/of_pmem.c
> @@ -42,7 +42,7 @@ static int of_pmem_region_probe(struct platform_device *pdev)
> return -ENOMEM;
>
> priv->bus_desc.attr_groups = bus_attr_groups;
> - priv->bus_desc.provider_name = "of_pmem";
> + priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL);
> priv->bus_desc.module = THIS_MODULE;
> priv->bus_desc.of_node = np;
>
> --
> 2.21.0
>
Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com>
--
Vaibhav Jain <vaibhav@linux.ibm.com>
Linux Technology Center, IBM India Pvt. Ltd.
prev parent reply other threads:[~2019-08-07 5:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-07 4:00 [PATCH] nvdimm/of_pmem: Provide a unique name for bus provider Aneesh Kumar K.V
2019-08-07 4:13 ` Dan Williams
2019-08-07 4:17 ` Aneesh Kumar K.V
2019-08-07 4:52 ` Dan Williams
2019-08-07 6:00 ` Aneesh Kumar K.V
2019-08-07 15:34 ` Dan Williams
2019-08-07 5:42 ` Vaibhav Jain [this message]
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