linux-kernel - Re: [PATCH v5 0/6] inherit dma configuration from parent dev

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Date:   Thu, 22 Dec 2016 11:53:54 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     Sriram Dash <sriram.dash@....com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux USB Mailing List <linux-usb@...r.kernel.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Greg KH <gregkh@...uxfoundation.org>, suresh.gupta@....com,
        felipe.balbi@...ux.intel.com,
        Alan Stern <stern@...land.harvard.edu>, pku.leo@...il.com
Subject: Re: [PATCH v5 0/6] inherit dma configuration from parent dev

On Thu, Nov 17, 2016 at 5:13 PM, Sriram Dash <sriram.dash@....com> wrote:
> For xhci-hcd platform device, all the DMA parameters are not
> configured properly, notably dma ops for dwc3 devices.
>
> The idea here is that you pass in the parent of_node along
> with the child device pointer, so it would behave exactly
> like the parent already does. The difference is that it also
> handles all the other attributes besides the mask.
>
> Arnd Bergmann (6):
>   usb: separate out sysdev pointer from usb_bus
>   usb: chipidea: use bus->sysdev for DMA configuration
>   usb: ehci: fsl: use bus->sysdev for DMA configuration
>   usb: xhci: use bus->sysdev for DMA configuration
>   usb: dwc3: use bus->sysdev for DMA configuration
>   usb: dwc3: Do not set dma coherent mask

Tested patches 1, 4 & 5 on db820c platform with required set of patches [1] for
phy.

Tested-by: Vivek Gautam <vivek.gautam@...eaurora.org>
for the above mentioned patches.

[1] https://lkml.org/lkml/2016/12/20/392


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