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Subject[PATCH 4.19 06/70] rsi: add hci detach for hibernation and poweroff
Date
From: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>

[ Upstream commit cbde979b33fa16e06dadc2c81093699a2bc787db ]

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>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 5733e440ecaff..81cc1044532d1 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -1129,6 +1129,12 @@ 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);

@@ -1305,6 +1311,12 @@ 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)
@@ -1352,6 +1364,12 @@ 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 90eb749e2b616..c62e7e0f82f32 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -818,6 +818,13 @@ 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);
--
2.20.1


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