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From: Siva Rebbagondla <siva8118@gmail.com>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org,
	rishikesh.basu@redpinesignals.com,
	siva.rebbagondla@redpinesignals.com,
	krishna.pedda@redpinesignals.com, amitkarwar@gmail.com
Subject: [v3 2/5] rsi: add hci detach for hibernation and poweroff
Date: Mon,  4 Feb 2019 12:03:26 +0530	[thread overview]
Message-ID: <1549262009-8766-3-git-send-email-siva8118@gmail.com> (raw)
In-Reply-To: <1549262009-8766-1-git-send-email-siva8118@gmail.com>

From: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>

As we missed to detach HCI, while entering power off or hibernation,
an extra hci interface gets created whenever system is woken up, to
avoid this we added hci_detach() in rsi_disconnect(), rsi_freeze(),
and rsi_shutdown() functions which are invoked for these tests.
This patch fixes the issue

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
---
 drivers/net/wireless/rsi/rsi_91x_sdio.c | 18 ++++++++++++++++++
 drivers/net/wireless/rsi/rsi_91x_usb.c  |  7 +++++++
 2 files changed, 25 insertions(+)

diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index b412b65e..9a3bb0d 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -1132,6 +1132,12 @@ static void rsi_disconnect(struct sdio_func *pfunction)
 	rsi_mac80211_detach(adapter);
 	mdelay(10);
 
+	if (IS_ENABLED(CONFIG_RSI_COEX) && adapter->priv->coex_mode > 1 &&
+	    adapter->priv->bt_adapter) {
+		rsi_bt_ops.detach(adapter->priv->bt_adapter);
+		adapter->priv->bt_adapter = NULL;
+	}
+
 	/* Reset Chip */
 	rsi_reset_chip(adapter);
 
@@ -1308,6 +1314,12 @@ static int rsi_freeze(struct device *dev)
 		rsi_dbg(ERR_ZONE,
 			"##### Device can not wake up through WLAN\n");
 
+	if (IS_ENABLED(CONFIG_RSI_COEX) && common->coex_mode > 1 &&
+	    common->bt_adapter) {
+		rsi_bt_ops.detach(common->bt_adapter);
+		common->bt_adapter = NULL;
+	}
+
 	ret = rsi_sdio_disable_interrupts(pfunction);
 
 	if (sdev->write_fail)
@@ -1355,6 +1367,12 @@ static void rsi_shutdown(struct device *dev)
 	if (rsi_config_wowlan(adapter, wowlan))
 		rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
 
+	if (IS_ENABLED(CONFIG_RSI_COEX) && adapter->priv->coex_mode > 1 &&
+	    adapter->priv->bt_adapter) {
+		rsi_bt_ops.detach(adapter->priv->bt_adapter);
+		adapter->priv->bt_adapter = NULL;
+	}
+
 	rsi_sdio_disable_interrupts(sdev->pfunction);
 
 	if (sdev->write_fail)
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c
index f360690..d31f9cd 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -816,6 +816,13 @@ static void rsi_disconnect(struct usb_interface *pfunction)
 		return;
 
 	rsi_mac80211_detach(adapter);
+
+	if (IS_ENABLED(CONFIG_RSI_COEX) && adapter->priv->coex_mode > 1 &&
+	    adapter->priv->bt_adapter) {
+		rsi_bt_ops.detach(adapter->priv->bt_adapter);
+		adapter->priv->bt_adapter = NULL;
+	}
+
 	rsi_reset_card(adapter);
 	rsi_deinit_usb_interface(adapter);
 	rsi_91x_deinit(adapter);
-- 
2.5.5


  parent reply	other threads:[~2019-02-04  6:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-04  6:33 [v3 0/5] wowlan debug support and fixes Siva Rebbagondla
2019-02-04  6:33 ` [v3 1/5] rsi: Add debug support for wowlan wakeup confirmation Siva Rebbagondla
2019-02-08 15:30   ` Kalle Valo
2019-02-04  6:33 ` Siva Rebbagondla [this message]
2019-02-04  6:33 ` [v3 3/5] rsi: fix wowlan wakeup issue for hibernate(S4) Siva Rebbagondla
2019-02-04  6:33 ` [v3 4/5] rsi: resolve power save issue after S4 resume Siva Rebbagondla
2019-02-04  6:33 ` [v3 5/5] rsi: fix for wowlan wakeup failure Siva Rebbagondla

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