Re: [PATCH] Bluetooth: hci_ll: Sleep while waiting for the controller to power up

From: patchwork-bot+bluetooth

Date: Tue Sep 08 2026 - 13:14:44 EST


Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>:

On Mon, 7 Sep 2026 23:12:45 +0800 you wrote:
> ll_setup() busy-waits for 100 ms after asserting the controller enable
> GPIO on each firmware download attempt. With retries this can occupy
> the CPU for up to 400 ms.
>
> The setup callback runs in sleepable context and already uses msleep(),
> gpiod_set_value_cansleep() and synchronous firmware commands. Replace
> mdelay(100) with msleep(100) so the CPU can run other work during the
> power-up delay. Keep the requested delay and subsequent CTS wait.
>
> [...]

Here is the summary with links:
- Bluetooth: hci_ll: Sleep while waiting for the controller to power up
https://git.kernel.org/bluetooth/bluetooth-next/c/1d978753498a

You are awesome, thank you!
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