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

Niklas Cassel cassel at kernel.org
Fri Apr 5 06:39:58 PDT 2024


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 at 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.


Kind regards,
Niklas

> 
> > Reviewed-by: Frank Li <Frank.Li at 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



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