Messages in this thread Patch in this message | | | From | megous@megous ... | Subject | [RESEND PATCH 3/5] bluetooth: hci_bcm: Give more time to come out of reset | Date | Fri, 23 Aug 2019 12:31:37 +0200 |
| |
From: Ondrej Jirman <megous@megous.com>
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 <megous@megous.com> --- drivers/bluetooth/hci_bcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 95c312ae94cf..7646636f2d18 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; -- 2.23.0
| |