From: Mark Brown <broonie@kernel.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Kukjin Kim <kgene.kim@samsung.com>,
linux-samsung-soc@vger.kernel.org,
spi-devel-general@lists.sourceforge.net,
Grant Likely <grant.likely@secretlab.ca>,
Padma Venkat <padma.kvr@gmail.com>
Subject: Re: [PATCH v2] spi: s3c64xx: move to generic dmaengine API
Date: Wed, 17 Apr 2013 15:46:37 +0100 [thread overview]
Message-ID: <20130417144637.GW13687@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <201304112242.03252.arnd@arndb.de>
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On Thu, Apr 11, 2013 at 10:42:03PM +0200, Arnd Bergmann wrote:
> The spi-s3c64xx uses a Samsung proprietary interface for
> talking to the DMA engine, which does not work with
> multiplatform kernels.
Actually it seems that this patch is causing issues for bulk SPI
transfers on s3c64xx, especially when they're driven quickly one after
another. I've only just found the problem so I've not been able to
debug yet but a revert fixes it...
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From: broonie@kernel.org (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] spi: s3c64xx: move to generic dmaengine API
Date: Wed, 17 Apr 2013 15:46:37 +0100 [thread overview]
Message-ID: <20130417144637.GW13687@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <201304112242.03252.arnd@arndb.de>
On Thu, Apr 11, 2013 at 10:42:03PM +0200, Arnd Bergmann wrote:
> The spi-s3c64xx uses a Samsung proprietary interface for
> talking to the DMA engine, which does not work with
> multiplatform kernels.
Actually it seems that this patch is causing issues for bulk SPI
transfers on s3c64xx, especially when they're driven quickly one after
another. I've only just found the problem so I've not been able to
debug yet but a revert fixes it...
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next prev parent reply other threads:[~2013-04-17 14:46 UTC|newest]
Thread overview: 167+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-11 0:04 [PATCH 00/30] ARM: exynos multiplatform support Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 01/30] ARM: exynos: introduce EXYNOS_ATAGS symbol Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 02/30] ARM: exynos: prepare for sparse IRQ Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:17 ` Kyungmin Park
2013-04-11 0:17 ` Kyungmin Park
2013-04-11 0:04 ` [PATCH 03/30] ARM: exynos: move debug-macro.S to include/debug/ Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 04/30] ARM: samsung: move mfc device definition to s5p-dev-mfc.c Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 05/30] tty: serial/samsung: prepare for common clock API Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 06/30] tty: serial/samsung: make register definitions global Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 07/30] tty: serial/samsung: fix modular build Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 08/30] i2c: s3c2410: make header file local Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-14 12:20 ` Wolfram Sang
2013-04-14 12:20 ` Wolfram Sang
2013-04-14 12:20 ` Wolfram Sang
2013-04-14 17:01 ` Heiko Stübner
2013-04-14 17:01 ` Heiko Stübner
2013-04-11 0:04 ` [PATCH 09/30] mmc: sdhci-s3c: remove platform dependencies Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 1:06 ` Chris Ball
2013-04-11 1:06 ` Chris Ball
2013-04-11 0:04 ` [PATCH 10/30] usb: exynos: do not include plat/usb-phy.h Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 20:25 ` Greg Kroah-Hartman
2013-04-11 20:25 ` Greg Kroah-Hartman
2013-04-11 20:49 ` [PATCH v3] " Arnd Bergmann
2013-04-11 20:49 ` Arnd Bergmann
2013-04-11 20:49 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 11/30] [media] exynos: remove unnecessary header inclusions Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:13 ` Mauro Carvalho Chehab
2013-04-11 0:13 ` Mauro Carvalho Chehab
2013-04-11 9:07 ` Sylwester Nawrocki
2013-04-11 9:07 ` Sylwester Nawrocki
2013-04-11 10:52 ` Arnd Bergmann
2013-04-11 10:52 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 12/30] video/exynos: " Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 5:07 ` Jingoo Han
2013-04-11 5:07 ` Jingoo Han
2013-04-11 5:07 ` Jingoo Han
2013-04-11 11:51 ` Tomi Valkeinen
2013-04-11 11:51 ` Tomi Valkeinen
2013-04-11 11:51 ` Tomi Valkeinen
2013-04-11 11:51 ` Tomi Valkeinen
2013-04-11 12:08 ` Arnd Bergmann
2013-04-11 12:08 ` Arnd Bergmann
2013-04-11 12:08 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 13/30] video/s3c: move platform_data out of arch/arm Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 4:34 ` Jingoo Han
2013-04-11 4:34 ` Jingoo Han
2013-04-11 4:34 ` Jingoo Han
2013-04-11 5:12 ` Jingoo Han
2013-04-11 5:12 ` Jingoo Han
2013-04-11 5:12 ` Jingoo Han
2013-04-11 0:04 ` [PATCH 14/30] thermal/exynos: remove unnecessary header inclusions Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 1:19 ` Eduardo Valentin
2013-04-11 1:19 ` Eduardo Valentin
2013-04-11 1:19 ` Eduardo Valentin
2013-04-11 23:26 ` Zhang Rui
2013-04-11 23:26 ` Zhang Rui
2013-04-11 0:04 ` [PATCH 15/30] mtd: onenand/samsung: make regs-onenand.h file local Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:18 ` Kyungmin Park
2013-04-11 0:18 ` Kyungmin Park
2013-04-11 0:18 ` Kyungmin Park
2013-04-11 0:04 ` [PATCH 16/30] rtc: s3c: make header " Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-11 0:04 ` [PATCH 17/30] pwm: samsung: repair the worst MMIO abuses Arnd Bergmann
2013-04-11 0:04 ` Arnd Bergmann
2013-04-12 7:06 ` Thierry Reding
2013-04-12 7:06 ` Thierry Reding
2013-04-12 7:46 ` Tomasz Figa
2013-04-12 7:46 ` Tomasz Figa
2013-04-11 0:05 ` [PATCH 18/30] ASoC: samsung: move plat/ headers to local directory Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 16:47 ` Mark Brown
2013-04-11 16:47 ` Mark Brown
2013-04-11 17:08 ` Arnd Bergmann
2013-04-11 17:08 ` Arnd Bergmann
2013-04-11 17:19 ` Mark Brown
2013-04-11 17:19 ` Mark Brown
2013-04-11 19:02 ` [PATCH] ASoC: samsung: fix neo1973-wm8753 compilation Heiko Stübner
2013-04-11 19:02 ` Heiko Stübner
2013-04-12 12:13 ` Mark Brown
2013-04-12 12:13 ` Mark Brown
2013-04-12 11:04 ` [alsa-devel] [PATCH 18/30] ASoC: samsung: move plat/ headers to local directory Lars-Peter Clausen
2013-04-12 11:04 ` Lars-Peter Clausen
2013-04-12 11:26 ` Mark Brown
2013-04-12 11:26 ` Mark Brown
2013-04-11 0:05 ` [PATCH 19/30] ASoC: samsung: use irq resource for idma Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 16:48 ` Mark Brown
2013-04-11 16:48 ` Mark Brown
2013-04-11 0:05 ` [PATCH 20/30] ASoC: samsung: convert to dmaengine API Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 14:27 ` Mark Brown
2013-04-11 14:27 ` Mark Brown
2013-04-11 14:47 ` Arnd Bergmann
2013-04-11 14:47 ` Arnd Bergmann
2013-04-11 15:42 ` Mark Brown
2013-04-11 15:42 ` Mark Brown
2013-04-12 19:27 ` [alsa-devel] " Lars-Peter Clausen
2013-04-12 19:27 ` Lars-Peter Clausen
2013-04-15 11:04 ` Mark Brown
2013-04-15 11:04 ` Mark Brown
2013-04-11 0:05 ` [PATCH 21/30] ASoC: samsung/i2s: fix module_device_table Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 16:48 ` Mark Brown
2013-04-11 16:48 ` Mark Brown
2013-04-11 0:05 ` [PATCH 22/30] ASoC: samsung/idma: export idma_reg_addr_init Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 16:48 ` Mark Brown
2013-04-11 16:48 ` Mark Brown
2013-04-11 0:05 ` [PATCH 23/30] clk: exynos: prepare for multiplatform Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 24/30] clocksource: exynos_mct: remove platform header dependency Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 25/30] irqchip: exynos: pass max combiner number to combiner_init Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 26/30] irqchip: exynos: allocate combiner_data dynamically Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 27/30] irqchip: exynos: localize irq lookup for ATAGS Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 28/30] irqchip: exynos: pass irq_base from platform Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 0:05 ` [PATCH 29/30] spi: s3c64xx: move to generic dmaengine API Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
2013-04-11 16:55 ` Mark Brown
2013-04-11 16:55 ` Mark Brown
2013-04-11 20:42 ` [PATCH v2] " Arnd Bergmann
2013-04-11 20:42 ` Arnd Bergmann
2013-04-11 20:42 ` Arnd Bergmann
2013-04-12 12:55 ` Mark Brown
2013-04-12 12:55 ` Mark Brown
2013-04-17 14:46 ` Mark Brown [this message]
2013-04-17 14:46 ` Mark Brown
2013-04-17 20:05 ` [PATCH 29/30] " Arnd Bergmann
2013-04-17 20:05 ` Arnd Bergmann
2013-04-18 16:46 ` Mark Brown
2013-04-18 16:46 ` Mark Brown
2013-04-11 0:05 ` [PATCH 30/30] ARM: exynos: enable multiplatform support Arnd Bergmann
2013-04-11 0:05 ` Arnd Bergmann
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