From patchwork Fri Oct 16 00:26:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 11840457 X-Patchwork-Delegate: nbd@nbd.name Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9C45215E6 for ; Fri, 16 Oct 2020 00:27:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 717CA2080C for ; Fri, 16 Oct 2020 00:27:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="YL9z9UHO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731858AbgJPA07 (ORCPT ); Thu, 15 Oct 2020 20:26:59 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:38554 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1731753AbgJPA07 (ORCPT ); Thu, 15 Oct 2020 20:26:59 -0400 X-UUID: aa616be3f0374b52a30e8f6fee3bafcc-20201016 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=bMfVRMKx8CbHQ6zK9+0AUtlDVS68xAYQbTyAUQ/UhAs=; b=YL9z9UHOYCi0OqlZmyqev+ymc//V4tYB0iVlDGjtehIJ8utEYhebjMaJ7ek09ZyGwLguwzH2vBCc+L0RuBABrt7t32OvuLnBu7Vs9LpXOsWO/Md0yGCSiMtLZuB6L9xzP/mom4Vj7+zkenfXyVOcZqFWdXOIsKtPkLoblKTIZW8=; X-UUID: aa616be3f0374b52a30e8f6fee3bafcc-20201016 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 266506514; Fri, 16 Oct 2020 08:26:50 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 16 Oct 2020 08:26:47 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 16 Oct 2020 08:26:42 +0800 From: To: , CC: , , , , Sean Wang , YN Chen Subject: [PATCH 1/2] mt76: mt7663: handle failure event for patch semaphore cmd Date: Fri, 16 Oct 2020 08:26:41 +0800 Message-ID: <267346a9a9c5f71caec03292b6c33b39864b38c5.1602807276.git.objelf@gmail.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 9B668A4925E40B91B0B7B564063D5E6D26155C7129E86D65B82670778F1CCA332000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang Just follow up vendor driver to retry a few times obtaining patch semaphore when the event is PATCH_NOT_DL_SEM_FAIL. That usually happens in Bluetooth and Wifi driver contends to download patch simultaneously. Co-developed-by: YN Chen Signed-off-by: YN Chen Signed-off-by: Sean Wang --- drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 2b17bd1c2a32..c990ccd6f472 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -1945,14 +1945,21 @@ static int mt7615_load_patch(struct mt7615_dev *dev, u32 addr, const char *name) { const struct mt7615_patch_hdr *hdr; const struct firmware *fw = NULL; - int len, ret, sem; + int len, ret, sem, c = 50; +retry: sem = mt7615_mcu_patch_sem_ctrl(dev, 1); switch (sem) { case PATCH_IS_DL: return 0; case PATCH_NOT_DL_SEM_SUCCESS: break; + case PATCH_NOT_DL_SEM_FAIL: + if (is_mt7663(&dev->mt76) && c--) { + msleep(100); + goto retry; + } + fallthrough; default: dev_err(dev->mt76.dev, "Failed to get patch semaphore\n"); return -EAGAIN;