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authorBalakrishna Godavarthi <bgodavar@codeaurora.org>2019-04-01 15:19:08 +0530
committerMarcel Holtmann <marcel@holtmann.org>2019-04-23 19:29:43 +0200
commit7f09d5a6c33be66a5ca19bf9dd1c2d90c5dfcf0d (patch)
tree431afea80bf85186de42c318a90240ddd9fa5045 /drivers/bluetooth
parent62611abc8f37d00e3b0cff0eb2d72fa92b05fd27 (diff)
Bluetooth: hci_qca: Give enough time to ROME controller to bootup.
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>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/hci_qca.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 4ea995d610d2..a80c3bc90904 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -523,6 +523,8 @@ static int qca_open(struct hci_uart *hu)
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;