Bluetooth: hci_qca: Give enough time to ROME controller to bootup.
[ Upstream commit 7f09d5a6c33be66a5ca19bf9dd1c2d90c5dfcf0d ]
This patch enables enough time to ROME controller to bootup
after we bring the enable pin out of reset.
Fixes: 05ba533c5c11 ("Bluetooth: hci_qca: Add serdev support").
Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Reviewed-by: Rocky Liao <rjliao@codeaurora.org>
Tested-by: Rocky Liao <rjliao@codeaurora.org>
Tested-by: Claire Chang <tientzu@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index f0d593c..77004c2 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -504,6 +504,8 @@
qcadev = serdev_device_get_drvdata(hu->serdev);
if (qcadev->btsoc_type != QCA_WCN3990) {
gpiod_set_value_cansleep(qcadev->bt_en, 1);
+ /* Controller needs time to bootup. */
+ msleep(150);
} else {
hu->init_speed = qcadev->init_speed;
hu->oper_speed = qcadev->oper_speed;