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[RFT,7/7] mt7601u: use request_firmware_cache() to address cache on reboot

Message ID 20180227232101.20786-8-mcgrof@kernel.org (mailing list archive)
State Not Applicable
Delegated to: Kalle Valo
Headers show

Commit Message

Luis Chamberlain Feb. 27, 2018, 11:21 p.m. UTC
request_firmware_cache() will ensure the firmware is available on resume
from suspend if on reboot the device retains the firmware.

This optimization is in place given otherwise on reboot we have to
reload the firmware, the opmization saves us about max 1s, minimum 10ms.

Reported-by: Cantabile <cantabile.desu@gmail.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
---
 drivers/net/wireless/mediatek/mt7601u/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c b/drivers/net/wireless/mediatek/mt7601u/mcu.c
index 65a8004418ea..b90456a4b4d7 100644
--- a/drivers/net/wireless/mediatek/mt7601u/mcu.c
+++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c
@@ -421,7 +421,7 @@  static int mt7601u_load_firmware(struct mt7601u_dev *dev)
 					 MT_USB_DMA_CFG_TX_BULK_EN));
 
 	if (firmware_running(dev))
-		return 0;
+		return request_firmware_cache(dev->dev, MT7601U_FIRMWARE);
 
 	ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev);
 	if (ret)