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authorSukadev Bhattiprolu <sukadev@linux.ibm.com>2022-01-21 18:59:21 -0800
committerDavid S. Miller <davem@davemloft.net>2022-01-24 12:05:03 +0000
commit3a5d9db7fbdfc8207ddf70d92668ced0ab330701 (patch)
tree9c741a3f83245d63682dad24ae9cbcabcdb477b2 /drivers/net/ethernet/ibm/ibmvnic.c
parentibmvnic: don't spin in tasklet (diff)
downloadlinux-dev-3a5d9db7fbdfc8207ddf70d92668ced0ab330701.tar.xz
linux-dev-3a5d9db7fbdfc8207ddf70d92668ced0ab330701.zip
ibmvnic: remove unused ->wait_capability
With previous bug fix, ->wait_capability flag is no longer needed and can be removed. Fixes: 249168ad07cd ("ibmvnic: Make CRQ interrupt tasklet wait for all capabilities crqs") Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com> Reviewed-by: Dany Madden <drt@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ibm/ibmvnic.c')
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c38
1 files changed, 14 insertions, 24 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 3df7fd0b944e..bda7a2a9d211 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -4884,10 +4884,8 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq,
}
/* Done receiving requested capabilities, query IP offload support */
- if (atomic_read(&adapter->running_cap_crqs) == 0) {
- adapter->wait_capability = false;
+ if (atomic_read(&adapter->running_cap_crqs) == 0)
send_query_ip_offload(adapter);
- }
}
static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
@@ -5185,10 +5183,8 @@ static void handle_query_cap_rsp(union ibmvnic_crq *crq,
}
out:
- if (atomic_read(&adapter->running_cap_crqs) == 0) {
- adapter->wait_capability = false;
+ if (atomic_read(&adapter->running_cap_crqs) == 0)
send_request_cap(adapter, 0);
- }
}
static int send_query_phys_parms(struct ibmvnic_adapter *adapter)
@@ -5484,27 +5480,21 @@ static void ibmvnic_tasklet(struct tasklet_struct *t)
struct ibmvnic_crq_queue *queue = &adapter->crq;
union ibmvnic_crq *crq;
unsigned long flags;
- bool done = false;
spin_lock_irqsave(&queue->lock, flags);
- while (!done) {
- /* Pull all the valid messages off the CRQ */
- while ((crq = ibmvnic_next_crq(adapter)) != NULL) {
- /* This barrier makes sure ibmvnic_next_crq()'s
- * crq->generic.first & IBMVNIC_CRQ_CMD_RSP is loaded
- * before ibmvnic_handle_crq()'s
- * switch(gen_crq->first) and switch(gen_crq->cmd).
- */
- dma_rmb();
- ibmvnic_handle_crq(crq, adapter);
- crq->generic.first = 0;
- }
+
+ /* Pull all the valid messages off the CRQ */
+ while ((crq = ibmvnic_next_crq(adapter)) != NULL) {
+ /* This barrier makes sure ibmvnic_next_crq()'s
+ * crq->generic.first & IBMVNIC_CRQ_CMD_RSP is loaded
+ * before ibmvnic_handle_crq()'s
+ * switch(gen_crq->first) and switch(gen_crq->cmd).
+ */
+ dma_rmb();
+ ibmvnic_handle_crq(crq, adapter);
+ crq->generic.first = 0;
}
- /* if capabilities CRQ's were sent in this tasklet, the following
- * tasklet must wait until all responses are received
- */
- if (atomic_read(&adapter->running_cap_crqs) != 0)
- adapter->wait_capability = true;
+
spin_unlock_irqrestore(&queue->lock, flags);
}