From: Ondrej Jirman Date: Fri, 23 Aug 2019 10:31:37 +0000 (+0200) Subject: bluetooth: hci_bcm: Give more time to come out of reset X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=16946de5905fff243c1e4415c4565803945e8c47;p=linux.git bluetooth: hci_bcm: Give more time to come out of reset Some supported devices need more time to come out of reset (eg. BCM4345C5 in AP6256). I don't have/found a datasheet, so the value was arrive at experimentally with the Oprange Pi 3 board. Without increased delay, I got intermittent failures during probe. This is a Bluetooth 5.0 device, so maybe that's why it takes longer to initialize than the others. Signed-off-by: Ondrej Jirman Signed-off-by: Marcel Holtmann --- diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 95c312ae94cf6..7646636f2d183 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -260,7 +260,7 @@ static int bcm_gpio_set_power(struct bcm_device *dev, bool powered) } /* wait for device to power on and come out of reset */ - usleep_range(10000, 20000); + usleep_range(100000, 120000); dev->res_enabled = powered;