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Date: Mon, 30 Jun 2025 15:37:34 +0200
From: Christoph Hellwig <hch@lst.de>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Ricardo Ribalda <ribalda@chromium.org>, Christoph Hellwig <hch@lst.de>,
	Alan Stern <stern@rowland.harvard.edu>, Xu Yang <xu.yang_2@nxp.com>,
	ezequiel@vanguardiasur.com.ar, mchehab@kernel.org,
	hdegoede@redhat.com, gregkh@linuxfoundation.org, mingo@kernel.org,
	tglx@linutronix.de, andriy.shevchenko@linux.intel.com,
	viro@zeniv.linux.org.uk, thomas.weissschuh@linutronix.de,
	linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org, imx@lists.linux.dev, jun.li@nxp.com
Subject: Re: [PATCH v2 1/3] usb: core: add dma-noncoherent buffer alloc and
 free API
Message-ID: <20250630133734.GA26768@lst.de>
References: <20250627101939.3649295-1-xu.yang_2@nxp.com> <20250627101939.3649295-2-xu.yang_2@nxp.com> <1c4f505f-d684-4643-bf77-89d97e01a9f2@rowland.harvard.edu> <20250629233924.GC20732@pendragon.ideasonboard.com> <CANiDSCswzMouJrRn2A3EAbGzHTf88q_qQ=DC_KX7dbf_LJzqBg@mail.gmail.com> <20250630082313.GB23516@pendragon.ideasonboard.com>
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On Mon, Jun 30, 2025 at 11:23:13AM +0300, Laurent Pinchart wrote:
> Christoph, you mentioned
> 
>   Right now we don't have a proper state machine for the
>   *_kernel_vmap_range, but we should probably add one once usage of this
>   grows.
> 
> Has there been any progress on that front ?

None that I'm aware off anyway.