From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC 03/26] dmaengine: omap-dma: program hardware directly
Date: Wed, 22 Jan 2014 14:13:13 +0000 [thread overview]
Message-ID: <20140122141313.GP27282@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <52DFBF89.3020102@ti.com>
On Wed, Jan 22, 2014 at 06:24:33PM +0530, Sricharan R wrote:
> EI and FI are always set to zero. So interleaved transfers support
> have to enabled in omap-dma, as it was supported by the
> legacy driver. It was not enabled because of no users of the feature,
> right ?
None of the users of the legacy driver used this feature. Moreover,
dmaengine doesn't have the interfaces to support this specialised
feature at present.
--
FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up. Estimation
in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".
next prev parent reply other threads:[~2014-01-22 14:13 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-02 15:08 [PATCH RFC 00/26] Migrate more OMAP DMA code to DMA engine Russell King - ARM Linux
2014-01-02 15:08 ` [PATCH RFC 01/26] dmaengine: omap-dma: use devm_kzalloc() to allocate omap_dmadev Russell King
2014-01-02 15:09 ` [PATCH RFC 02/26] dmaengine: omap-dma: provide a hook to get the underlying DMA platform ops Russell King
2014-01-02 15:09 ` [PATCH RFC 03/26] dmaengine: omap-dma: program hardware directly Russell King
2014-01-22 12:54 ` Sricharan R
2014-01-22 14:13 ` Russell King - ARM Linux [this message]
2014-01-02 15:09 ` [PATCH RFC 04/26] dmaengine: omap-dma: consolidate writes to DMA registers Russell King
2014-01-02 15:09 ` [PATCH RFC 05/26] dmaengine: omap-dma: control start/stop directly Russell King
2014-01-13 22:18 ` Tony Lindgren
2014-01-02 15:09 ` [PATCH RFC 06/26] dmaengine: omap-dma: move reading of dma position to omap-dma.c Russell King
2014-01-02 15:10 ` [PATCH RFC 07/26] dmaengine: omap-dma: consolidate setup of CSDP Russell King
2014-01-02 15:10 ` [PATCH RFC 08/26] dmaengine: omap-dma: consolidate setup of CCR Russell King
2014-01-13 22:14 ` Tony Lindgren
2014-01-13 23:12 ` Russell King - ARM Linux
2014-01-14 13:39 ` Russell King - ARM Linux
2014-01-14 17:04 ` Tony Lindgren
2014-01-22 12:55 ` Sricharan R
2014-01-22 14:19 ` Russell King - ARM Linux
2014-01-22 14:39 ` Santosh Shilimkar
2014-01-02 15:10 ` [PATCH RFC 09/26] dmaengine: omap-dma: provide register definitions Russell King
2014-01-02 15:10 ` [PATCH RFC 10/26] dmaengine: omap-dma: move CCR buffering disable errata out of the fast path Russell King
2014-01-02 15:10 ` [PATCH RFC 11/26] dmaengine: omap-dma: consolidate clearing channel status register Russell King
2014-01-02 15:10 ` [PATCH RFC 12/26] dmaengine: omap-dma: improve efficiency loading C.SA/C.EI/C.FI registers Russell King
2014-01-02 15:11 ` [PATCH RFC 13/26] dmaengine: omap-dma: move clnk_ctrl setting to preparation functions Russell King
2014-01-02 15:11 ` [PATCH RFC 14/26] dmaengine: omap-dma: move barrier to omap_dma_start_desc() Russell King
2014-01-02 15:11 ` [PATCH RFC 15/26] dmaengine: omap-dma: use cached CCR value when enabling DMA Russell King
2014-01-02 15:11 ` [PATCH RFC 16/26] dmaengine: omap-dma: provide register read/write functions Russell King
2014-01-02 15:11 ` [PATCH RFC 17/26] dmaengine: omap-dma: cleanup errata 3.3 handling Russell King
2014-01-02 15:11 ` [PATCH RFC 18/26] ARM: omap: remove references to disable_irq_lch Russell King
2014-01-02 15:12 ` [PATCH RFC 19/26] ARM: omap: remove almost-const variables Russell King
2014-01-02 15:12 ` [PATCH RFC 20/26] ARM: omap: clean up DMA register accesses Russell King
2014-01-02 15:49 ` Andy Shevchenko
2014-01-02 16:07 ` Russell King - ARM Linux
2014-01-02 15:12 ` [PATCH RFC 21/26] ARM: omap: dma: get rid of errata global Russell King
2014-01-02 15:12 ` [PATCH RFC 22/26] ARM: omap: move dma channel allocation into plat-omap code Russell King
2014-01-02 15:46 ` Andy Shevchenko
2014-01-02 15:12 ` [PATCH RFC 23/26] ARM: omap: dma: get rid of 'p' allocation and clean up Russell King
2014-01-02 15:12 ` [PATCH RFC 24/26] dmaengine: omap-dma: move register read/writes into omap-dma.c Russell King
2014-01-02 15:13 ` [PATCH RFC 25/26] dmaengine: omap-dma: move IRQ handling to omap-dma Russell King
2014-01-02 15:13 ` [PATCH RFC 26/26] ARM: omap2: ensure dma platform device has resources Russell King
2014-01-08 1:21 ` [PATCH RFC 00/26] Migrate more OMAP DMA code to DMA engine Tony Lindgren
2014-01-09 15:24 ` Russell King - ARM Linux
2014-01-13 14:18 ` Russell King - ARM Linux
2014-01-13 17:37 ` Tony Lindgren
2014-01-13 18:55 ` Russell King - ARM Linux
2014-01-13 19:26 ` Tony Lindgren
2014-01-13 20:34 ` Russell King - ARM Linux
2014-01-13 21:02 ` Tony Lindgren
2014-01-13 21:11 ` Russell King - ARM Linux
2014-01-13 21:21 ` Tony Lindgren
2014-01-13 21:28 ` Russell King - ARM Linux
2014-01-13 22:03 ` Tony Lindgren
2014-01-09 12:37 ` Vinod Koul
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