[PATCH 07/19] PCI: endpoint: test: Implement link_down event operation

[Frank Li]

On Fri, Mar 29, 2024 at 06:09:33PM +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>

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
>