From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Peter Korsgaard <peter@korsgaard.com>
Cc: linux-usb@vger.kernel.org, Michal Nazarewicz <mina86@mina86.com>
Subject: Re: [PATCH v2] usb: gadget: f_fs: expose ready state in configfs
Date: Thu, 18 Jan 2024 15:18:16 +0100 [thread overview]
Message-ID: <2024011800-eatable-subdivide-18ac@gregkh> (raw)
In-Reply-To: <20240118125137.3996800-1-peter@korsgaard.com>
On Thu, Jan 18, 2024 at 01:51:37PM +0100, Peter Korsgaard wrote:
> When a USB gadget is configured through configfs with 1 or more f_fs
> functions, then the logic setting up the gadget configuration has to wait
> until the user space code (typically separate applications) responsible for
> those functions have written their descriptors before the gadget can be
> activated.
>
> The f_fs instance already knows if this has been done, so expose it through
> a "ready" attribute in configfs for easier synchronization.
>
> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
> ---
> Changes since v1:
> - Add documentation snippet as requested by Greg.
>
> Documentation/usb/gadget-testing.rst | 8 ++++++++
Shouldn't this be documented in Documentation/ABI/ instead?
thanks,
greg k-h
next prev parent reply other threads:[~2024-01-18 14:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-18 12:51 [PATCH v2] usb: gadget: f_fs: expose ready state in configfs Peter Korsgaard
2024-01-18 14:18 ` Greg Kroah-Hartman [this message]
2024-01-18 14:45 ` Peter Korsgaard
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