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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jovrI-0002Cx-Bb; Fri, 26 Jun 2020 21:26:04 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jovr8-00024z-Mp for linux-mediatek@lists.infradead.org; Fri, 26 Jun 2020 21:25:56 +0000 Received: from localhost.localdomain.com (unknown [151.48.138.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C358B20B1F; Fri, 26 Jun 2020 21:25:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593206754; bh=cNm4vevn52MHqQhVmtkazDdt9Txp0Mki2vNXGAapXMk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SjENw/Te39bMyb1oB0Ze08+Jvd2GghjzIv2bwr8GIlLEkswEMCUSbTbXn1Qs5ODsj eAFaIvbx6KhaFIqaCcTfC4735b72L4EjYahmW82DDD2IXkOPwJKLePxeRV1YG+QLzv 0dTIehGDO97HzHbrT9xF7fD+Nq9loCTlb+t+A36M= From: Lorenzo Bianconi To: nbd@nbd.name Subject: [PATCH 12/17] mt76: mt7615: check MT76_STATE_PM flag before accessing the device Date: Fri, 26 Jun 2020 23:25:12 +0200 Message-Id: <1aeb01ddefdd112ffbabca0f488ca3cd0c4ccd3e.1593204577.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 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: linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, linux-wireless@vger.kernel.org, ryder.lee@mediatek.com 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 Double-check if the device is in low-power state before accessing registermap in mt7615_sta_rate_tbl_update() and in mt7615_led_set_config() Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 ++- drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 32f060014bb7..3ab8e7e9be44 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -652,7 +652,8 @@ static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw, break; } msta->n_rates = i; - mt7615_mac_set_rates(phy, msta, NULL, msta->rates); + if (!test_bit(MT76_STATE_PM, &phy->mt76->state)) + mt7615_mac_set_rates(phy, msta, NULL, msta->rates); msta->rate_probe = false; spin_unlock_bh(&dev->mt76.lock); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c index 69cba8609edf..7224a0078211 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c @@ -70,6 +70,10 @@ mt7615_led_set_config(struct led_classdev *led_cdev, mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); dev = container_of(mt76, struct mt7615_dev, mt76); + + if (test_bit(MT76_STATE_PM, &mt76->phy.state)) + return; + val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) | FIELD_PREP(MT_LED_STATUS_OFF, delay_off) | FIELD_PREP(MT_LED_STATUS_ON, delay_on); -- 2.26.2 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek