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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: 05ba533c5c ("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>
This commit is contained in:
Balakrishna Godavarthi 2019-04-01 15:19:08 +05:30 committed by Marcel Holtmann
parent 62611abc8f
commit 7f09d5a6c3
1 changed files with 2 additions and 0 deletions
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2
drivers/bluetooth/hci_qca.c
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@ -523,6 +523,8 @@ static int qca_open(struct hci_uart *hu)
qcadev = serdev_device_get_drvdata(hu->serdev); qcadev = serdev_device_get_drvdata(hu->serdev);
if (qcadev->btsoc_type != QCA_WCN3990) { if (qcadev->btsoc_type != QCA_WCN3990) {
gpiod_set_value_cansleep(qcadev->bt_en, 1); gpiod_set_value_cansleep(qcadev->bt_en, 1);
/* Controller needs time to bootup. */
msleep(150);
} else { } else {
hu->init_speed = qcadev->init_speed; hu->init_speed = qcadev->init_speed;
hu->oper_speed = qcadev->oper_speed; hu->oper_speed = qcadev->oper_speed;