From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kernel.org ([198.145.29.99]:52706 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753865AbeCUWeh (ORCPT ); Wed, 21 Mar 2018 18:34:37 -0400 From: "Luis R. Rodriguez" To: gregkh@linuxfoundation.org Cc: akpm@linux-foundation.org, cantabile.desu@gmail.com, kubakici@wp.pl, linux-wireless@vger.kernel.org, keescook@chromium.org, shuah@kernel.org, mfuzzey@parkeon.com, zohar@linux.vnet.ibm.com, dhowells@redhat.com, pali.rohar@gmail.com, tiwai@suse.de, arend.vanspriel@broadcom.com, zajec5@gmail.com, nbroeking@me.com, markivx@codeaurora.org, broonie@kernel.org, dmitry.torokhov@gmail.com, dwmw2@infradead.org, torvalds@linux-foundation.org, Abhay_Salunke@dell.com, bjorn.andersson@linaro.org, jewalt@lgsinnovations.com, oneukum@suse.com, ast@fb.com, andresx7@gmail.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, "Luis R. Rodriguez" Subject: [PATCH v4 3/3] mt7601u: use firmware_request_cache() to address cache on reboot Date: Wed, 21 Mar 2018 15:34:30 -0700 Message-Id: <20180321223430.21388-4-mcgrof@kernel.org> (sfid-20180321_233534_947231_BBED83FE) In-Reply-To: <20180321223430.21388-1-mcgrof@kernel.org> References: <20180321223430.21388-1-mcgrof@kernel.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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. Cantabile has reported back this fixes his woes with both suspend and hibernation. Reported-by: Cantabile Tested-by: Cantabile Signed-off-by: Luis R. Rodriguez --- drivers/net/wireless/mediatek/mt7601u/mcu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt7601u/mcu.c b/drivers/net/wireless/mediatek/mt7601u/mcu.c index d9d6fd7eff5e..61705f679856 100644 --- a/drivers/net/wireless/mediatek/mt7601u/mcu.c +++ b/drivers/net/wireless/mediatek/mt7601u/mcu.c @@ -420,7 +420,7 @@ static int mt7601u_load_firmware(struct mt7601u_dev *dev) MT_USB_DMA_CFG_TX_BULK_EN)); if (firmware_running(dev)) - return 0; + return firmware_request_cache(dev->dev, MT7601U_FIRMWARE); ret = request_firmware(&fw, MT7601U_FIRMWARE, dev->dev); if (ret) -- 2.16.2