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 for <linux-nvdimm@lists.01.org> from <aneesh.kumar@linux.ibm.com>;
 Fri, 30 Aug 2019 05:31:32 +0100
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: Re: [PATCH] nvdimm/of_pmem: Provide a unique name for bus provider
In-Reply-To: <156711523501.12658.8795324273505326478.git-patchwork-notify@kernel.org>
References: <20190807040029.11344-1-aneesh.kumar@linux.ibm.com>
 <156711523501.12658.8795324273505326478.git-patchwork-notify@kernel.org>
Date: Fri, 30 Aug 2019 10:01:27 +0530
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To: linux-nvdimm@lists.01.org, Dan Williams <dan.j.williams@intel.com>
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patchwork-bot+linux-nvdimm@kernel.org writes:

> Hello:
>
> This patch was applied to nvdimm/nvdimm.git (refs/heads/libnvdimm-for-next).
>
> On Wed,  7 Aug 2019 09:30:29 +0530 you wrote:
>> 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(-)
>
>
> Here is a summary with links:
>   - nvdimm/of_pmem: Provide a unique name for bus provider
>     https://git.kernel.org/nvdimm/nvdimm/c/49bddc73d15c25a68e4294d76fc74519fda984cd
>
> You are awesome, thank you!

We decided to fix this in ndctl tool? If we go with ndctl fix, we
can drop the kernel change. Parallely I am planning to do a  fix
for papr_scm driver that will update the provider name as "papr_scm". That
way we can find out the backend driver using

:~> ndctl list -B
[
  {
    "provider":"papr_scm",
    "dev":"ndbus1"
  },
  {
    "provider":"of_pmem",
    "dev":"ndbus0"
  }
]


-aneesh

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