Re: [PATCH v3] Platform: goldfish: goldfish_pipe.c: Add DMA support using managed version

From: Greg Kroah-Hartman
Date: Fri Jan 29 2016 - 02:57:29 EST

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@xxxxxxxxx>
> ---
> 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?


greg k-h