diff mbox series

[19/23] wilc1000: don't tell the chip to go to sleep while copying tx packets

Message ID 20211218235404.3963475-20-davidm@egauge.net (mailing list archive)
State Superseded
Delegated to: Kalle Valo
Headers show
Series wilc1000: rework tx path to use sk_buffs throughout | expand

Commit Message

David Mosberger-Tang Dec. 18, 2021, 11:54 p.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 b7c8ff95b646a..8652ec9f6d9c8 100644
--- a/drivers/net/wireless/microchip/wilc1000/wlan.c
+++ b/drivers/net/wireless/microchip/wilc1000/wlan.c
@@ -920,29 +920,27 @@  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: