linux-kernel - Re: [PATCH v3 2/7] usb: musb: dma: Add support for shared IRQ

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Message-ID: <20191211185224.GD16429@iaqt7>
Date:   Wed, 11 Dec 2019 12:52:24 -0600
From:   Bin Liu <b-liu@...com>
To:     Paul Cercueil <paul@...pouillou.net>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>, <od@...c.me>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Artur Rojek <contact@...ur-rojek.eu>
Subject: Re: [PATCH v3 2/7] usb: musb: dma: Add support for shared IRQ

On Tue, Dec 10, 2019 at 06:11:05PM +0100, Paul Cercueil wrote:
> The implementation of the Inventra IP in some of the Ingenic JZ47xx SoCs
> does not use a separate IRQ line for DMA transfers.
> 
> Allow these SoCs to be supported by adding a flag 'dma_share_usb_irq'
> in the struct musb. If set, no extra IRQ line is required, and the musb
> glue will need to call the API function musbhs_dma_controller_irq()
> within its interrupt handler.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> Tested-by: Artur Rojek <contact@...ur-rojek.eu>
> ---
 
Queued for usb-next. Thanks.

-Bin.