From: Lars-Peter Clausen <lars@metafoo.de>
To: Gerhard Sittig <gsi@denx.de>
Cc: Arnd Bergmann <arnd@arndb.de>, Vinod Koul <vinod.koul@intel.com>,
devicetree-discuss@lists.ozlabs.org,
Alexander Popov <a13xp0p0v88@gmail.com>,
Dan Williams <djbw@fb.com>, Anatolij Gustschin <agust@denx.de>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH RFC 1/8] powerpc: mpc512x_dma: add support for data transfers between memory and i/o memory
Date: Sun, 14 Jul 2013 12:05:25 +0200 [thread overview]
Message-ID: <51E277E5.8050305@metafoo.de> (raw)
In-Reply-To: <1373642781-32631-2-git-send-email-gsi@denx.de>
On 07/12/2013 05:26 PM, Gerhard Sittig wrote:
[...]
]
> + if (mchan->tcd_nunits)
> + tcd->nbytes = mchan->tcd_nunits * 4;
> + else
> + tcd->nbytes = 64;
Just wondering where does the magic 64 come from?
next prev parent reply other threads:[~2013-07-14 10:04 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-12 15:26 [PATCH RFC 0/8] MPC512x DMA slave s/g support, OF DMA lookup Gerhard Sittig
2013-07-12 15:26 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 1/8] powerpc: mpc512x_dma: add support for data transfers between memory and i/o memory Gerhard Sittig
2013-07-14 10:05 ` Lars-Peter Clausen [this message]
2013-07-14 11:07 ` Gerhard Sittig
2013-07-14 11:07 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 2/8] dma: mpc512x: fix start condition in execute() Gerhard Sittig
2013-07-12 15:26 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 3/8] dma: mpc512x: support 'terminate all' control request Gerhard Sittig
2013-07-12 15:26 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 4/8] dts: mpc512x: prepare for preprocessor support Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 5/8] dma: mpc512x: use symbolic specifiers for DMA channels Gerhard Sittig
2013-07-13 7:17 ` Arnd Bergmann
2013-07-13 7:17 ` Arnd Bergmann
2013-07-13 14:14 ` Gerhard Sittig
2013-07-14 8:50 ` Arnd Bergmann
2013-07-14 9:53 ` Lars-Peter Clausen
2013-07-14 11:02 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 6/8] dma: of: Add common xlate function for matching by channel id Gerhard Sittig
2013-07-12 15:26 ` Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 7/8] dma: mpc512x: register for device tree channel lookup Gerhard Sittig
2013-07-12 15:26 ` [PATCH RFC 8/8] HACK mmc: mxcmmc: enable clocks for the MPC512x Gerhard Sittig
2013-07-12 16:45 ` [PATCH RFC 0/8] MPC512x DMA slave s/g support, OF DMA lookup Lars-Peter Clausen
2013-07-12 16:45 ` Lars-Peter Clausen
2013-07-14 12:01 ` [PATCH RFC v2 0/5] " Gerhard Sittig
2013-07-14 12:01 ` Gerhard Sittig
2013-07-14 12:01 ` [PATCH RFC v2 1/5] dma: mpc512x: re-order mpc8308 specific instructions Gerhard Sittig
2013-08-12 13:38 ` Alexander Popov
2013-08-12 13:38 ` Alexander Popov
2013-07-14 12:01 ` [PATCH RFC v2 2/5] dma: mpc512x: add support for peripheral transfers Gerhard Sittig
2013-07-16 10:37 ` Lars-Peter Clausen
2013-07-17 10:42 ` Gerhard Sittig
2013-07-17 10:42 ` Gerhard Sittig
2013-07-31 7:46 ` Alexander Popov
2013-08-12 13:37 ` Alexander Popov
2013-08-12 13:37 ` Alexander Popov
2013-07-14 12:01 ` [PATCH RFC v2 3/5] dma: of: Add common xlate function for matching by channel id Gerhard Sittig
2013-10-03 14:05 ` Alexander Popov
2013-07-14 12:02 ` [PATCH RFC v2 4/5] dma: mpc512x: register for device tree channel lookup Gerhard Sittig
2013-10-03 14:06 ` Alexander Popov
2013-07-14 12:02 ` [PATCH RFC v2 5/5] HACK mmc: mxcmmc: enable clocks for the MPC512x Gerhard Sittig
2013-10-03 14:06 ` Alexander Popov
2013-07-16 9:27 ` [PATCH RFC v2 0/5] MPC512x DMA slave s/g support, OF DMA lookup Alexander Popov
2013-10-03 14:00 ` Alexander Popov
2013-10-06 10:01 ` Gerhard Sittig
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