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Thu, 15 Oct 2020 16:26:58 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 15 Oct 2020 17:26:56 -0700 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: , 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201015_202705_450084_F05B8994 X-CRM114-Status: GOOD ( 13.80 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ryder.lee@mediatek.com, Sean Wang , sean.wang@mediatek.com, linux-wireless@vger.kernel.org, YN Chen , linux-mediatek@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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; -- 2.25.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek