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

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Message-ID: <aa913f99-189a-fda0-9867-a3897a5e0fa3@ti.com>
Date:   Fri, 15 Sep 2017 21:52:36 +0300
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Greg KH <greg@...ah.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


Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

On 09/15/2017 07:47 PM, Greg KH wrote:
> 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>

Sorry, I forgot to add the CC to the patch itself. I will resend it with the
correct form.

-- 
Péter