From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Michal Suchanek <hramrach@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Noralf Tronnes <noralf@tronnes.org>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fbtft: limit transfer length by spi device limit
Date: Sun, 21 Aug 2016 17:52:34 +0200 [thread overview]
Message-ID: <20160821155234.GA28754@kroah.com> (raw)
In-Reply-To: <1a546e24f0fa4839deffd6e708ad10dd14219cb6.1464042565.git.hramrach@gmail.com>
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@gmail.com>
> Acked-by: Noralf Trønnes <noralf@tronnes.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
prev parent reply other threads:[~2016-08-21 21:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-26 19:25 [PATCH] fbtft: limit transfer length by spi device limit Michal Suchanek
2016-05-29 17:29 ` Noralf Trønnes
2016-08-21 15:52 ` Greg Kroah-Hartman [this message]
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