linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Frederic Barrat <fbarrat@linux.ibm.com>
To: Andrew Donnellan <ajd@linux.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, andrew.donnellan@au1.ibm.com,
	clombard@linux.ibm.com
Cc: groug@kaod.org, alastair@au1.ibm.com
Subject: Re: [PATCH 08/11] pci/hotplug/pnv-php: Register opencapi slots
Date: Tue, 19 Nov 2019 16:15:26 +0100	[thread overview]
Message-ID: <1ac2e3e6-06fe-b94c-98b4-2291256a3b42@linux.ibm.com> (raw)
In-Reply-To: <8ccc21bc-7154-d8a6-68ec-ac42a21de7ef@linux.ibm.com>



Le 19/11/2019 à 06:18, Andrew Donnellan a écrit :
> On 10/9/19 1:45 am, Frederic Barrat wrote:
>> Add the opencapi PHBs to the list of PHBs being scanned to look for
>> slots.
>>
>> Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
>> ---
>>   drivers/pci/hotplug/pnv_php.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/hotplug/pnv_php.c 
>> b/drivers/pci/hotplug/pnv_php.c
>> index 304bdbcdb77c..f0a7360154e7 100644
>> --- a/drivers/pci/hotplug/pnv_php.c
>> +++ b/drivers/pci/hotplug/pnv_php.c
>> @@ -954,7 +954,8 @@ static int __init pnv_php_init(void)
>>       pr_info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
>>       for_each_compatible_node(dn, NULL, "ibm,ioda2-phb")
>>           pnv_php_register(dn);
>> -
>> +    for_each_compatible_node(dn, NULL, "ibm,ioda2-npu2-opencapi-phb")
>> +        pnv_php_register_one(dn);
>>       return 0;
>>   }
>> @@ -964,6 +965,8 @@ static void __exit pnv_php_exit(void)
>>       for_each_compatible_node(dn, NULL, "ibm,ioda2-phb")
>>           pnv_php_unregister(dn);
>> +    for_each_compatible_node(dn, NULL, "ibm,ioda2-npu2-opencapi-phb")
>> +        pnv_php_unregister(dn);
>>   }
> 
> 
> Why do we use register_one to register and unregister rather than 
> unregister_one to unregister?


Good catch! With the above, the slot was not removed. 
pnv_php_unregister() looks at the children only and was missing the 
opencapi slot, since it's directly under the PHB.

   Fred


  reply	other threads:[~2019-11-19 15:17 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-09 15:45 [PATCH 00/11] opencapi: enable card reset and link retraining Frederic Barrat
2019-09-09 15:45 ` [PATCH 01/11] powerpc/powernv/ioda: Fix ref count for devices with their own PE Frederic Barrat
2019-09-10  0:20   ` Alastair D'Silva
2019-09-26 16:44   ` Andrew Donnellan
2019-09-26 17:15     ` Frederic Barrat
2019-09-27  6:54       ` Alexey Kardashevskiy
2019-11-12 17:38         ` Frederic Barrat
2019-11-18  1:04           ` Alistair Popple
2019-11-18  1:24             ` Oliver O'Halloran
2019-11-18  2:36               ` Alistair Popple
2019-11-18 18:21                 ` Frederic Barrat
2019-09-09 15:45 ` [PATCH 02/11] powerpc/powernv/ioda: Protect PE list Frederic Barrat
2019-09-10  0:34   ` Alastair D'Silva
2019-11-19 12:55     ` Frederic Barrat
2019-11-19 13:22       ` Oliver O'Halloran
2019-11-19 14:36         ` Frederic Barrat
2019-11-19  5:55   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 03/11] powerpc/powernv/ioda: set up PE on opencapi device when enabling Frederic Barrat
2019-09-10  0:38   ` Alastair D'Silva
2019-09-27 16:43   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 04/11] powerpc/powernv/ioda: Release opencapi device Frederic Barrat
2019-09-10  0:56   ` Alastair D'Silva
2019-11-19 17:32     ` Frederic Barrat
2019-11-19  7:08   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 05/11] powerpc/powernv/ioda: Find opencapi slot for a device node Frederic Barrat
2019-09-10  0:57   ` Alastair D'Silva
2019-11-19  1:26   ` Andrew Donnellan
2019-11-19 14:33     ` Frederic Barrat
2019-09-09 15:45 ` [PATCH 06/11] pci/hotplug/pnv-php: Remove erroneous warning Frederic Barrat
2019-09-10  0:58   ` Alastair D'Silva
2019-11-19  5:00   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 07/11] pci/hotplug/pnv-php: Improve error msg on power state change failure Frederic Barrat
2019-09-10  0:59   ` Alastair D'Silva
2019-11-19  2:23   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 08/11] pci/hotplug/pnv-php: Register opencapi slots Frederic Barrat
2019-09-10  1:00   ` Alastair D'Silva
2019-11-19  5:18   ` Andrew Donnellan
2019-11-19 15:15     ` Frederic Barrat [this message]
2019-09-09 15:45 ` [PATCH 09/11] pci/hotplug/pnv-php: Relax check when disabling slot Frederic Barrat
2019-09-10  1:00   ` Alastair D'Silva
2019-09-27 15:56   ` Andrew Donnellan
2019-09-09 15:45 ` [PATCH 10/11] pci/hotplug/pnv-php: Wrap warnings in macro Frederic Barrat
2019-09-10  1:03   ` Alastair D'Silva
2019-09-26 17:18   ` Andrew Donnellan
2019-09-09 15:46 ` [PATCH 11/11] ocxl: Add PCI hotplug dependency to Kconfig Frederic Barrat
2019-09-10  1:03   ` Alastair D'Silva
2019-09-26 17:11   ` Andrew Donnellan
2019-09-24  4:24 ` [PATCH 00/11] opencapi: enable card reset and link retraining Alexey Kardashevskiy
2019-09-24  6:39   ` Frederic Barrat
2019-09-25  0:20     ` Alexey Kardashevskiy

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1ac2e3e6-06fe-b94c-98b4-2291256a3b42@linux.ibm.com \
    --to=fbarrat@linux.ibm.com \
    --cc=ajd@linux.ibm.com \
    --cc=alastair@au1.ibm.com \
    --cc=andrew.donnellan@au1.ibm.com \
    --cc=clombard@linux.ibm.com \
    --cc=groug@kaod.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).