Re: [PATCH v2 06/18] PCI: endpoint: test: Implement link_down event operation

From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Niklas Cassel <cassel@kernel.org>
Cc: "Damien Le Moal" <dlemoal@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Kishon Vijay Abraham I" <kishon@kernel.org>,
	"Shawn Lin" <shawn.lin@rock-chips.com>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Heiko Stuebner" <heiko@sntech.de>,
	linux-pci@vger.kernel.org, "Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	"Rick Wertenbroek" <rick.wertenbroek@gmail.com>,
	"Wilfred Mallawa" <wilfred.mallawa@wdc.com>
Subject: Re: [PATCH v2 06/18] PCI: endpoint: test: Implement link_down event operation
Date: Sat, 6 Apr 2024 07:54:09 +0530	[thread overview]
Message-ID: <20240406022409.GA2678@thinkpad> (raw)
In-Reply-To: <Zg//LiMg0Wh7LfT8@x1-carbon>

On Fri, Apr 05, 2024 at 03:39:58PM +0200, Niklas Cassel wrote:
> On Wed, Apr 03, 2024 at 01:18:23PM +0530, Manivannan Sadhasivam wrote:
> > On Sat, Mar 30, 2024 at 01:19:16PM +0900, Damien Le Moal wrote:
> > > Implement the link_down event operation to stop the command execution
> > > delayed work when the endpoint controller notifies a link down event.
> > > 
> > > Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
> > 
> > This patch is already part of another series I posted [1] and under review. So
> > this can be dropped.
> > 
> > - Mani
> > 
> > [1] https://lore.kernel.org/linux-pci/20240401-pci-epf-rework-v2-9-970dbe90b99d@linaro.org/
> 
> Mani, your patch does not use _sync(),
> so I don't think that we can simply drop this patch.
> 

Agree, I was planning to update it in my next version anyway.

- Mani

> 
> Kind regards,
> Niklas
> 
> > 
> > > Reviewed-by: Frank Li <Frank.Li@nxp.com>
> > > ---
> > >  drivers/pci/endpoint/functions/pci-epf-test.c | 10 ++++++++++
> > >  1 file changed, 10 insertions(+)
> > > 
> > > diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
> > > index ab40c3182677..e6d4e1747c9f 100644
> > > --- a/drivers/pci/endpoint/functions/pci-epf-test.c
> > > +++ b/drivers/pci/endpoint/functions/pci-epf-test.c
> > > @@ -824,9 +824,19 @@ static int pci_epf_test_link_up(struct pci_epf *epf)
> > >  	return 0;
> > >  }
> > >  
> > > +static int pci_epf_test_link_down(struct pci_epf *epf)
> > > +{
> > > +	struct pci_epf_test *epf_test = epf_get_drvdata(epf);
> > > +
> > > +	cancel_delayed_work_sync(&epf_test->cmd_handler);
> > > +
> > > +	return 0;
> > > +}
> > > +
> > >  static const struct pci_epc_event_ops pci_epf_test_event_ops = {
> > >  	.core_init = pci_epf_test_core_init,
> > >  	.link_up = pci_epf_test_link_up,
> > > +	.link_down = pci_epf_test_link_down,
> > >  };
> > >  
> > >  static int pci_epf_test_alloc_space(struct pci_epf *epf)
> > > -- 
> > > 2.44.0
> > > 
> > 
> > -- 
> > மணிவண்ணன் சதாசிவம்

-- 
மணிவண்ணன் சதாசிவம்

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