linux-kernel - Re: [PATCH] dmaengine: edma: Align the memcpy acnt array size with the transfer

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Message-ID: <20170915164707.GD27343@kroah.com>
Date:   Fri, 15 Sep 2017 09:47:07 -0700
From:   Greg KH <greg@...ah.com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>
Cc:     vinod.koul@...el.com, dan.j.williams@...el.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] dmaengine: edma: Align the memcpy acnt array size with
 the transfer

On Fri, Sep 15, 2017 at 10:23:28AM +0300, Peter Ujfalusi wrote:
> Memory to Memory transfers does not have any special alignment needs
> regarding to acnt array size, but if one of the areas are in memory mapped
> regions (like PCIe memory), we need to make sure that the acnt array size
> is aligned with the mem copy parameters.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> ---
>  drivers/dma/edma.c | 19 ++++++++++++++++---
>  1 file changed, 16 insertions(+), 3 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>