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Bluetooth: hci_ll: Add endianness conversion when setting baudrate 

This adds an endianness conversion when setting the baudrate using a
vendor-specific command. Otherwise, bad things might happen on a big-
endian system.

Suggested-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
hifive-unleashed-5.1
David Lechner 2017-12-07 20:22:19 -06:00 committed by Marcel Holtmann
parent 7c6ca1201e
commit c30b93eade
1 changed files with 3 additions and 1 deletions
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4
drivers/bluetooth/hci_ll.c
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@ -707,10 +707,12 @@ static int ll_setup(struct hci_uart *hu)
speed = 0;
if (speed) {
__le32 speed_le = cpu_to_le32(speed);
struct sk_buff *skb;
skb = __hci_cmd_sync(hu->hdev, HCI_VS_UPDATE_UART_HCI_BAUDRATE,
sizeof(speed), &speed, HCI_INIT_TIMEOUT);
sizeof(speed_le), &speed_le,
HCI_INIT_TIMEOUT);
if (!IS_ERR(skb)) {
kfree_skb(skb);
serdev_device_set_baudrate(serdev, speed);