linux-kernel - [PATCH v1] Bluetooth: btnxpuart: Deasset UART break before closing serdev device

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Message-Id: <20230403122430.1024235-2-neeraj.sanjaykale@nxp.com>
Date:   Mon,  3 Apr 2023 17:54:28 +0530
From:   Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
To:     marcel@...tmann.org, johan.hedberg@...il.com, luiz.dentz@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        amitkumar.karwar@....com, rohit.fule@....com, sherry.sun@....com,
        neeraj.sanjaykale@....com
Subject: [PATCH v1] Bluetooth: btnxpuart: Deasset UART break before closing serdev device

This adds a call to ps_wakeup() before closing the serdev device, to
de-assert UART break.

Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
---
 drivers/bluetooth/btnxpuart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 34f44da9ef4d..ad9e25e0c350 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1167,6 +1167,7 @@ static int btnxpuart_close(struct hci_dev *hdev)
 {
 	struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
 
+	ps_wakeup(nxpdev);
 	serdev_device_close(nxpdev->serdev);
 	clear_bit(BTNXPUART_SERDEV_OPEN, &nxpdev->tx_state);
 	return 0;
-- 
2.34.1