From: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Eugeniy Paltsev
<Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-snps-arc-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v3 1/2] DW DMAC: enable memory-to-memory transfers support
Date: Fri, 18 Nov 2016 21:27:04 +0200 [thread overview]
Message-ID: <1479497224.22212.42.camel@linux.intel.com> (raw)
In-Reply-To: <1479496356-27834-2-git-send-email-Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
On Fri, 2016-11-18 at 22:12 +0300, Eugeniy Paltsev wrote:
> All known devices, which use DT for configuration, support
> memory-to-memory transfers. So enable it by default, if we read
> configuration from DT.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
You missed the given tag(s).
> ---
> drivers/dma/dw/platform.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 5bda0eb..aa7a5c1 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)
> if (of_property_read_bool(np, "is_private"))
> pdata->is_private = true;
>
> + /*
> + * All known devices, which use DT for configuration, support
> + * memory-to-memory transfers. So enable it by default.
> + */
> + pdata->is_memcpy = true;
> +
> if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
> pdata->chan_allocation_order = (unsigned char)tmp;
>
--
Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Intel Finland Oy
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next prev parent reply other threads:[~2016-11-18 19:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-18 19:12 [PATCH v3 0/2] DW DMAC: update device tree Eugeniy Paltsev
2016-11-18 19:12 ` [PATCH v3 1/2] DW DMAC: enable memory-to-memory transfers support Eugeniy Paltsev
[not found] ` <1479496356-27834-2-git-send-email-Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-18 19:27 ` Andy Shevchenko [this message]
2016-11-18 19:12 ` [PATCH v3 2/2] DW DMAC: add multi-block property to device tree Eugeniy Paltsev
[not found] ` <1479496356-27834-3-git-send-email-Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-18 19:33 ` Andy Shevchenko
2016-11-23 4:15 ` Vinod Koul
2016-11-21 13:53 ` Arnd Bergmann
[not found] ` <1479496356-27834-1-git-send-email-Eugeniy.Paltsev-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-18 19:26 ` [PATCH v3 0/2] DW DMAC: update " Andy Shevchenko
2016-11-21 10:02 ` Alexey Brodkin
[not found] ` <1479722477.2487.5.camel-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-21 10:37 ` Andy Shevchenko
[not found] ` <1479724626.22212.50.camel-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-11-23 4:06 ` Vinod Koul
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