This is a note to let you know that I've just added the patch titled
octeontx2-pf: Wait till detach_resources msg is complete
to the 6.6-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:
octeontx2-pf-wait-till-detach_resources-msg-is-compl.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 40e37ee7a6f2d4ebb21021e0a5fa0a7736731db1
Author: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx>
Date: Mon Mar 18 14:59:55 2024 +0530
octeontx2-pf: Wait till detach_resources msg is complete
[ Upstream commit cbf2f24939a5dafce6de4dd4422e543ce8f610cf ]
During VF driver remove, a message is sent to detach VF
resources to PF but VF is not waiting until message is
complete. Also mailbox interrupts need to be turned off
after the detach resource message is complete. This patch
fixes that problem.
Fixes: 05fcc9e08955 ("octeontx2-pf: Attach NIX and NPA block LFs")
Signed-off-by: Subbaraya Sundeep <sbhatta@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index e6df4e6a78ab7..af62d66470d5e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1592,7 +1592,7 @@ int otx2_detach_resources(struct mbox *mbox)
detach->partial = false;
/* Send detach request to AF */
- otx2_mbox_msg_send(&mbox->mbox, 0);
+ otx2_sync_mbox_msg(mbox);
mutex_unlock(&mbox->lock);
return 0;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index ced456cec8baf..cf0aa16d75407 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -775,8 +775,8 @@ static void otx2vf_remove(struct pci_dev *pdev)
otx2_mcam_flow_del(vf);
otx2_shutdown_tc(vf);
otx2_shutdown_qos(vf);
- otx2vf_disable_mbox_intr(vf);
otx2_detach_resources(&vf->mbox);
+ otx2vf_disable_mbox_intr(vf);
free_percpu(vf->hw.lmt_info);
if (test_bit(CN10K_LMTST, &vf->hw.cap_flag))
qmem_free(vf->dev, vf->dync_lmt);
