diff mbox series

[v2,19/50] wilc1000: don't tell the chip to go to sleep while copying tx packets

Message ID 20211223011358.4031459-20-davidm@egauge.net
State New
Headers show
Series wilc1000: rework tx path to use sk_buffs throughout | expand

Commit Message

David Mosberger-Tang Dec. 23, 2021, 1:14 a.m. UTC 
Putting the chip to sleep and waking it up again is relatively slow,
so there is no point to put the chip to sleep for the short time it
takes to copy a couple of packets.

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
---
 .../net/wireless/microchip/wilc1000/wlan.c    | 24 +++++++++----------
 1 file changed, 11 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c
index 54dfb2b9f3524..a6064a85140b4 100644
--- a/drivers/net/wireless/microchip/wilc1000/wlan.c
+++ b/drivers/net/wireless/microchip/wilc1000/wlan.c
@@ -924,29 +924,27 @@  int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count)
 	acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
 
 	ret = send_vmm_table(wilc, i, vmm_table);
+	if (ret <= 0) {
+		if (ret == 0)
+			/* No VMM space available in firmware.  Inform
+			 * caller to retry later.
+			 */
+			ret = WILC_VMM_ENTRY_FULL_RETRY;
+		goto out_release_bus;
+	}
 
-	release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
-
-	if (ret < 0)
-		goto out_unlock;
+	release_bus(wilc, WILC_BUS_RELEASE_ONLY);
 
 	entries = ret;
-	if (entries == 0) {
-		/* No VMM space available in firmware.  Inform caller
-		 * to retry later.
-		 */
-		ret = WILC_VMM_ENTRY_FULL_RETRY;
-		goto out_unlock;
-	}
-
 	len = copy_packets(wilc, entries, vmm_table, vmm_entries_ac);
 	if (len <= 0)
 		goto out_unlock;
 
-	acquire_bus(wilc, WILC_BUS_ACQUIRE_AND_WAKEUP);
+	acquire_bus(wilc, WILC_BUS_ACQUIRE_ONLY);
 
 	ret = send_packets(wilc, len);
 
+out_release_bus:
 	release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP);
 
 out_unlock: