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authorErik Stromdahl <erik.stromdahl@gmail.com>2017-01-11 17:32:10 +0300
committerKalle Valo <kvalo@qca.qualcomm.com>2017-01-12 13:51:29 +0300
commitd48b62ceeea2c229c637efda0c1a846dd33cf26a (patch)
tree1f77f66b8aedf4d90230cdc7a853737df44941b3 /drivers
parent7bc7441e4da3868042d01eed8a1f61625d35a356 (diff)
downloadlinux-d48b62ceeea2c229c637efda0c1a846dd33cf26a.tar.xz
ath10k: htc: simplified credit distribution
Simplified transmit credit distribution code somewhat. Since the WMI control service will get assigned all credits there is no need for having a credit_allocation array in struct ath10k_htc. Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath/ath10k/htc.c29
-rw-r--r--drivers/net/wireless/ath/ath10k/htc.h1
2 files changed, 5 insertions, 25 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
index f2e065958c87..9f6a915f91bf 100644
--- a/drivers/net/wireless/ath/ath10k/htc.c
+++ b/drivers/net/wireless/ath/ath10k/htc.c
@@ -474,33 +474,16 @@ static void ath10k_htc_reset_endpoint_states(struct ath10k_htc *htc)
}
}
-static void ath10k_htc_setup_target_buffer_assignments(struct ath10k_htc *htc)
-{
- struct ath10k_htc_svc_tx_credits *entry;
-
- entry = &htc->service_tx_alloc[0];
-
- /*
- * for PCIE allocate all credists/HTC buffers to WMI.
- * no buffers are used/required for data. data always
- * remains on host.
- */
- entry++;
- entry->service_id = ATH10K_HTC_SVC_ID_WMI_CONTROL;
- entry->credit_allocation = htc->total_transmit_credits;
-}
-
static u8 ath10k_htc_get_credit_allocation(struct ath10k_htc *htc,
u16 service_id)
{
u8 allocation = 0;
- int i;
- for (i = 0; i < ATH10K_HTC_EP_COUNT; i++) {
- if (htc->service_tx_alloc[i].service_id == service_id)
- allocation =
- htc->service_tx_alloc[i].credit_allocation;
- }
+ /* The WMI control service is the only service with flow control.
+ * Let it have all transmit credits.
+ */
+ if (service_id == ATH10K_HTC_SVC_ID_WMI_CONTROL)
+ allocation = htc->total_transmit_credits;
return allocation;
}
@@ -574,8 +557,6 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
return -ECOMM;
}
- ath10k_htc_setup_target_buffer_assignments(htc);
-
/* setup our pseudo HTC control endpoint connection */
memset(&conn_req, 0, sizeof(conn_req));
memset(&conn_resp, 0, sizeof(conn_resp));
diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h
index ca150c91f181..6ababa345e2b 100644
--- a/drivers/net/wireless/ath/ath10k/htc.h
+++ b/drivers/net/wireless/ath/ath10k/htc.h
@@ -337,7 +337,6 @@ struct ath10k_htc {
struct completion ctl_resp;
int total_transmit_credits;
- struct ath10k_htc_svc_tx_credits service_tx_alloc[ATH10K_HTC_EP_COUNT];
int target_credit_size;
};