From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RESEND v2 0/2] ARM: sun8i: Add DMA controller support
Date: Wed, 12 Nov 2014 15:06:06 +0530 [thread overview]
Message-ID: <20141112093606.GC24582@intel.com> (raw)
In-Reply-To: <1415333747-24075-1-git-send-email-wens@csie.org>
On Fri, Nov 07, 2014 at 12:15:45PM +0800, Chen-Yu Tsai wrote:
> Hi Vinod,
>
> This is my sun8i DMA controller series rebased onto slave-dma/next
> (2ffff42 "dmaengine: xdmac: fix print warning on dma_addr_t variable")
>
> Original cover letter:
>
> This is v2 of my sun8i DMA controller support series. This series
> adds support for the DMA controller found in the Allwinner A23 SoC.
> It is the same hardware as found in the A31 (sun6i) SoC. In addition
> to reduced physical channels and endpoints, the controller in the A23
> requires an undocumented register to be toggled. That seems to allow
> memory bus access.
>
> This series is based on my earlier "clk: sun6i: Unify AHB1 clock and
> fix rate calculation" series, which removes the clock muxing calls from
> the sun6i-dma driver. The default PLL6 pre-divider for AHB1 on the A23
> results in an exceedingly high clock rate for AHB1, and the system hangs.
> Also, on the A23, the dma controller happily works even when AHB1 is
> clocked from AXI.
Applied, thanks
--
~Vinod
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>
Cc: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Dan Williams
<dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH RESEND v2 0/2] ARM: sun8i: Add DMA controller support
Date: Wed, 12 Nov 2014 15:06:06 +0530 [thread overview]
Message-ID: <20141112093606.GC24582@intel.com> (raw)
In-Reply-To: <1415333747-24075-1-git-send-email-wens-jdAy2FN1RRM@public.gmane.org>
On Fri, Nov 07, 2014 at 12:15:45PM +0800, Chen-Yu Tsai wrote:
> Hi Vinod,
>
> This is my sun8i DMA controller series rebased onto slave-dma/next
> (2ffff42 "dmaengine: xdmac: fix print warning on dma_addr_t variable")
>
> Original cover letter:
>
> This is v2 of my sun8i DMA controller support series. This series
> adds support for the DMA controller found in the Allwinner A23 SoC.
> It is the same hardware as found in the A31 (sun6i) SoC. In addition
> to reduced physical channels and endpoints, the controller in the A23
> requires an undocumented register to be toggled. That seems to allow
> memory bus access.
>
> This series is based on my earlier "clk: sun6i: Unify AHB1 clock and
> fix rate calculation" series, which removes the clock muxing calls from
> the sun6i-dma driver. The default PLL6 pre-divider for AHB1 on the A23
> results in an exceedingly high clock rate for AHB1, and the system hangs.
> Also, on the A23, the dma controller happily works even when AHB1 is
> clocked from AXI.
Applied, thanks
--
~Vinod
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2014-11-12 9:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 4:15 [PATCH RESEND v2 0/2] ARM: sun8i: Add DMA controller support Chen-Yu Tsai
2014-11-07 4:15 ` Chen-Yu Tsai
2014-11-07 4:15 ` [PATCH RESEND v2 1/2] dmaengine: sun6i: support parameterized compatible strings Chen-Yu Tsai
2014-11-07 4:15 ` Chen-Yu Tsai
2014-11-07 4:15 ` [PATCH RESEND v2 2/2] dmaengine: sun6i: Add support for Allwinner A23 (sun8i) variant Chen-Yu Tsai
2014-11-07 4:15 ` Chen-Yu Tsai
2014-11-12 9:36 ` Vinod Koul [this message]
2014-11-12 9:36 ` [PATCH RESEND v2 0/2] ARM: sun8i: Add DMA controller support Vinod Koul
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141112093606.GC24582@intel.com \
--to=vinod.koul@intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.