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ibmvnic: remove unused ->wait_capability 

With previous bug fix, ->wait_capability flag is no longer needed and can
be removed.

Fixes: 249168ad07 ("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>
This commit is contained in:
Sukadev Bhattiprolu 2022-01-21 18:59:21 -08:00 committed by David S. Miller
parent 48079e7fdd
commit 3a5d9db7fb
2 changed files with 14 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -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);
}

1
drivers/net/ethernet/ibm/ibmvnic.h
View File

@ -919,7 +919,6 @@ struct ibmvnic_adapter {
int login_rsp_buf_sz;
atomic_t running_cap_crqs;
bool wait_capability;
struct ibmvnic_sub_crq_queue **tx_scrq ____cacheline_aligned;
struct ibmvnic_sub_crq_queue **rx_scrq ____cacheline_aligned;