linux-kernel - Re: [PATCH v2] usb: ehci-orion: Extend DMA mask to 64 bit for AC5 platform

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Date:   Tue, 18 Oct 2022 13:57:26 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Vadym Kochan <vadym.kochan@...ision.eu>
Cc:     Alan Stern <stern@...land.harvard.edu>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Elad Nachman <enachman@...vell.com>
Subject: Re: [PATCH v2] usb: ehci-orion: Extend DMA mask to 64 bit for AC5
 platform

On Tue, Oct 18, 2022 at 02:34:00PM +0300, Vadym Kochan wrote:
> From: Elad Nachman <enachman@...vell.com>
> 
> AC5 is a 64-bit platform so extend the dma mask accordingly.
> 
> Checked this mask on armv7 a38x SoC (which has this
> USB controller) platform with simple fs ops on the storage device
> but on older 4.14 Linux version.

Odd line-wrapping.

That aside, I have no idea what this changelog text means at all.  What
is 4.14 here for?  Does this fix a specific commit id?  What is being
changed?  Why is it being changed?  What is happening?

confused,

greg k-h