linux-kernel - Re: [PATCH] fbtft: limit transfer length by spi device limit

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Date:   Sun, 21 Aug 2016 17:52:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Michal Suchanek <hramrach@...il.com>
Cc:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Noralf Tronnes <noralf@...nnes.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fbtft: limit transfer length by spi device limit

On Thu, May 26, 2016 at 07:25:22PM -0000, Michal Suchanek wrote:
> Some SPI controllers can transfer only small piece of data at a time.
> Since SPI core gained a function to get the maximum transfer length use
> it.
> 
> Signed-off-by: Michal Suchanek <hramrach@...il.com>
> Acked-by: Noralf Trønnes <noralf@...nnes.org>
> ---
> 
>  Tested on sunxi spi with DMA enabled and disabled. Makes a visible speed
> difference and display works in either case.
> 
>  drivers/staging/fbtft/fbtft-core.c | 9 +++++++++
>  1 file changed, 9 insertions(+)

This patch adds a build warning to the tree, so I can't take it.

Please fix up and resend.

thanks,

greg k-h