diff options
author | Balakrishna Godavarthi <bgodavar@codeaurora.org> | 2019-04-01 12:49:08 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 16:46:16 +0300 |
commit | 1eafabe144f48ee403e121a23927f75b529e0fd1 (patch) | |
tree | 7232b851973fc6eeac18336234caf650dfcc0a39 /drivers/bluetooth | |
parent | 189b396a2580d6174996edbd5f5bbbe1d34dd29f (diff) | |
download | linux-1eafabe144f48ee403e121a23927f75b529e0fd1.tar.xz |
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>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r-- | drivers/bluetooth/hci_qca.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index f0d593c3fa72..77004c29da08 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -504,6 +504,8 @@ 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; |