From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
Cc: linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 00/10] Speed up SPI simplex transfers on Raspberry Pi
Date: Wed, 11 Sep 2019 11:47:21 +0100 [thread overview]
Message-ID: <20190911104721.GX2036@sirena.org.uk> (raw)
In-Reply-To: <cover.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
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On Wed, Sep 11, 2019 at 12:15:30PM +0200, Lukas Wunner wrote:
> Extend the BCM2835 SPI driver to handle simplex transfers internally,
> thereby reducing their latency and CPU usage and obviating the need to
> have the SPI core convert to full-duplex via SPI_CONTROLLER_MUST_TX/RX.
Whatever you're doing to send these is still not sending the
patches in order:
779 N T 09/11 Lukas Wunner (1.6K) [PATCH v2 00/10] Speed up SPI simplex t
780 N T 09/11 Lukas Wunner (2.1K) ├─>[PATCH v2 02/10] dmaengine: bcm2835:
781 N T 09/11 Lukas Wunner (1.3K) ├─>[PATCH v2 01/10] dmaengine: bcm2835:
782 N T 09/11 Lukas Wunner (2.6K) ├─>[PATCH v2 03/10] spi: Guarantee cac
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next prev parent reply other threads:[~2019-09-11 10:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 10:15 [PATCH v2 00/10] Speed up SPI simplex transfers on Raspberry Pi Lukas Wunner
[not found] ` <cover.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 10:15 ` [PATCH v2 04/10] spi: bcm2835: Work around DONE bit erratum Lukas Wunner
[not found] ` <7ceb98f154cdcf72c577615fa312df41adea5f47.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 11:25 ` Mark Brown
2019-09-11 10:15 ` [PATCH v2 07/10] spi: bcm2835: Speed up TX-only DMA transfers by clearing RX FIFO Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 06/10] spi: bcm2835: Cache CS register value for ->prepare_message() Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 01/10] dmaengine: bcm2835: Allow reusable descriptors Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 09/10] dmaengine: bcm2835: Avoid accessing memory when copying zeroes Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 10/10] spi: bcm2835: Speed up RX-only DMA transfers by zero-filling TX FIFO Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 05/10] spi: bcm2835: Drop dma_pending flag Lukas Wunner
2022-07-19 6:52 ` Marc Kleine-Budde
2022-07-19 7:34 ` Stefan Wahren
2022-07-19 7:45 ` Marc Kleine-Budde
2019-09-11 10:15 ` [PATCH v2 08/10] dmaengine: bcm2835: Document struct bcm2835_dmadev Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 02/10] dmaengine: bcm2835: Allow cyclic transactions without interrupt Lukas Wunner
2019-09-11 10:15 ` [PATCH v2 03/10] spi: Guarantee cacheline alignment of driver-private data Lukas Wunner
[not found] ` <01625b9b26b93417fb09d2c15ad02dfe9cdbbbe5.1568187525.git.lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 14:59 ` Applied "spi: Guarantee cacheline alignment of driver-private data" to the spi tree Mark Brown
2019-09-11 10:47 ` Mark Brown [this message]
[not found] ` <20190911114352.w2htkzfi5v6zl7nq@wunner.de>
[not found] ` <20190911114352.w2htkzfi5v6zl7nq-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2019-09-11 11:59 ` [PATCH v2 00/10] Speed up SPI simplex transfers on Raspberry Pi Mark Brown
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