linux-kernel - Re: [PATCH 2/4] PCI: endpoint: Add notification for core init completion

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Message-ID: <122c1625-2075-d34a-80da-8b73a03096d3@ti.com>
Date:   Wed, 27 Nov 2019 13:48:30 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Vidya Sagar <vidyas@...dia.com>, <jingoohan1@...il.com>,
        <gustavo.pimentel@...opsys.com>, <lorenzo.pieralisi@....com>,
        <andrew.murray@....com>, <bhelgaas@...gle.com>,
        <thierry.reding@...il.com>
CC:     <Jisheng.Zhang@...aptics.com>, <jonathanh@...dia.com>,
        <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kthota@...dia.com>, <mmaddireddy@...dia.com>, <sagar.tv@...il.com>
Subject: Re: [PATCH 2/4] PCI: endpoint: Add notification for core init
 completion

Hi,

On 13/11/19 2:38 PM, Vidya Sagar wrote:
> Add support to send notifications to EPF from EPC once the core
> registers initialization is complete.
> 
> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
> ---
>  drivers/pci/endpoint/pci-epc-core.c | 19 ++++++++++++++++++-
>  include/linux/pci-epc.h             |  1 +
>  include/linux/pci-epf.h             |  5 +++++
>  3 files changed, 24 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
> index 2f6436599fcb..fcc3f7fb19c0 100644
> --- a/drivers/pci/endpoint/pci-epc-core.c
> +++ b/drivers/pci/endpoint/pci-epc-core.c
> @@ -542,10 +542,27 @@ void pci_epc_linkup(struct pci_epc *epc)
>  	if (!epc || IS_ERR(epc))
>  		return;
>  
> -	atomic_notifier_call_chain(&epc->notifier, 0, NULL);
> +	atomic_notifier_call_chain(&epc->notifier, LINK_UP, NULL);
>  }
>  EXPORT_SYMBOL_GPL(pci_epc_linkup);

Is this based on upstream kernel? or did you create this after applying [1]?


[1] -> https://lkml.org/lkml/2019/6/4/633

Thanks
Kishon