linux-kernel - Re: [PATCH 1/2] Bluetooth: hci_bcm4377: Increase boot timeout

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Date: Sun, 12 May 2024 14:54:42 +0200
From: Stefan Wahren <wahrenst@....net>
To: sven@...npeter.dev, Hector Martin <marcan@...can.st>,
 Alyssa Rosenzweig <alyssa@...enzweig.io>,
 Marcel Holtmann <marcel@...tmann.org>,
 Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] Bluetooth: hci_bcm4377: Increase boot timeout

Hi Sven,

Am 12.05.24 um 14:12 schrieb Sven Peter via B4 Relay:
> From: Hector Martin <marcan@...can.st>
>
> BCM4388 takes over 2 seconds to boot, so increase the timeout (and also
> fix the units while we're here).
>
> Signed-off-by: Hector Martin <marcan@...can.st>
> Reviewed-by: Sven Peter <sven@...npeter.dev>
> Signed-off-by: Sven Peter <sven@...npeter.dev>
> ---
>   drivers/bluetooth/hci_bcm4377.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bluetooth/hci_bcm4377.c b/drivers/bluetooth/hci_bcm4377.c
> index 9a7243d5db71..5b818a0e33d6 100644
> --- a/drivers/bluetooth/hci_bcm4377.c
> +++ b/drivers/bluetooth/hci_bcm4377.c
> @@ -32,7 +32,8 @@ enum bcm4377_chip {
>   #define BCM4378_DEVICE_ID 0x5f69
>   #define BCM4387_DEVICE_ID 0x5f71
>
> -#define BCM4377_TIMEOUT 1000
> +#define BCM4377_TIMEOUT msecs_to_jiffies(1000)
this change affect all timeouts not just the boot timeout, so i would
prefer to split this.
> +#define BCM4377_BOOT_TIMEOUT msecs_to_jiffies(5000)
>
>   /*
>    * These devices only support DMA transactions inside a 32bit window
> @@ -1857,7 +1858,7 @@ static int bcm4377_boot(struct bcm4377_data *bcm4377)
>   	dev_dbg(&bcm4377->pdev->dev, "waiting for firmware to boot\n");
>
>   	ret = wait_for_completion_interruptible_timeout(&bcm4377->event,
> -							BCM4377_TIMEOUT);
> +							BCM4377_BOOT_TIMEOUT);
>   	if (ret == 0) {
>   		ret = -ETIMEDOUT;
>   		goto out_dma_free;
>