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authorNathan Fontenot <nfont@linux.vnet.ibm.com>2017-05-26 17:31:00 +0300
committerDavid S. Miller <davem@davemloft.net>2017-05-26 22:32:46 +0300
commit28cde751021abb16458b858da3403bd7c511c0d7 (patch)
tree7a685aef2d2d406a01de619d0c9891a3d34cc979
parent152ce47dc48280182ab58539a721dadb3d7a8575 (diff)
downloadlinux-28cde751021abb16458b858da3403bd7c511c0d7.tar.xz
ibmvnic: Reset the CRQ queue during driver reset
When a driver reset operation occurs there is not a need to release the CRQ resources and re-allocate them. Instead a reset of the CRQ will suffice. Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 760352f7f98d..b9b0c693ce01 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1260,7 +1260,6 @@ static int do_reset(struct ibmvnic_adapter *adapter,
release_resources(adapter);
release_sub_crqs(adapter);
- release_crq_queue(adapter);
rc = ibmvnic_init(adapter);
if (rc)
@@ -3517,7 +3516,14 @@ static int ibmvnic_init(struct ibmvnic_adapter *adapter)
unsigned long timeout = msecs_to_jiffies(30000);
int rc;
- rc = init_crq_queue(adapter);
+ if (adapter->resetting) {
+ rc = ibmvnic_reset_crq(adapter);
+ if (!rc)
+ rc = vio_enable_interrupts(adapter->vdev);
+ } else {
+ rc = init_crq_queue(adapter);
+ }
+
if (rc) {
dev_err(dev, "Couldn't initialize crq. rc=%d\n", rc);
return rc;