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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Shraddha Barke <shraddha.6596@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
	Joe Perches <joe@perches.com>,
	linux-kernel@vger.kernel.org,
	Peter Senna Tschudin <peter.senna@gmail.com>,
	Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH v3] Platform: goldfish: goldfish_pipe.c: Add DMA support using managed version
Date: Thu, 28 Jan 2016 23:57:23 -0800	[thread overview]
Message-ID: <20160129075723.GA26124@kroah.com> (raw)
In-Reply-To: <1453497085-23818-1-git-send-email-shraddha.6596@gmail.com>

On Sat, Jan 23, 2016 at 02:41:25AM +0530, Shraddha Barke wrote:
> setup_access_params_addr has 2 goals-
> 
> -Initialize the access_params field so that it can be used to send and read
> commands from the device in access_with_param
> -Get a bus address for the allocated memory to transfer to the device.
> 
> Replace the combination of devm_kzalloc and _pa() with dmam_alloc_coherent.
> Coherent mapping guarantees that the device and CPU are in sync.
> 
> Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
> ---
> Changes in v3-
>  Both writel in the same style
> Changes in v2-
>  Updated commit message, use upper_32_bits and lower_32_bits
> 
>  drivers/platform/goldfish/goldfish_pipe.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)

Due to some other changes to this file, this doesn't apply to my
char-misc-testing tree.  Can you refresh it based on that and resend?

thanks,

greg k-h

      reply	other threads:[~2016-01-29  7:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-22 21:11 Shraddha Barke
2016-01-29  7:57 ` Greg Kroah-Hartman [this message]

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