This is a note to let you know that I've just added the patch titled PCI: endpoint: Don't stop controller when unbinding endpoint function to the 5.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pci-endpoint-don-t-stop-controller-when-unbinding-en.patch and it can be found in the queue-5.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 656e18713fae3399aab04bd0e1afc2d425d0ba58 Author: Shunsuke Mie <mie@xxxxxxxxxx> Date: Wed Jun 22 13:09:24 2022 +0900 PCI: endpoint: Don't stop controller when unbinding endpoint function [ Upstream commit 1bc2b7bfba6e2f64edf5e246f3af2967261f6c3d ] Unbinding an endpoint function from the endpoint controller shouldn't stop the controller. This is especially a problem for multi-function endpoints where other endpoints may still be active. Don't stop the controller when unbinding one of its endpoints. Normally the controller is stopped via configfs. Fixes: 349e7a85b25f ("PCI: endpoint: functions: Add an EP function to test PCI") Link: https://lore.kernel.org/r/20220622040924.113279-1-mie@xxxxxxxxxx Signed-off-by: Shunsuke Mie <mie@xxxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Acked-by: Kishon Vijay Abraham I <kishon@xxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 5b833f00e980..a5ed779b0a51 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -627,7 +627,6 @@ static void pci_epf_test_unbind(struct pci_epf *epf) cancel_delayed_work(&epf_test->cmd_handler); pci_epf_test_clean_dma_chan(epf_test); - pci_epc_stop(epc); for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) { epf_bar = &epf->bar[bar];