Thread (29 messages) 29 messages, 5 authors, 2013-02-08

[v4 PATCH 00/12] atmel spi controller with dmaengine and device tree support

From: Yang, Wenyou <hidden>
Date: 2013-02-06 08:33:46
Also in: lkml

Hello, Grant

Thanks a lot for your feedback.
-----Original Message-----
From: Grant Likely [mailto:glikely at secretlab.ca] On Behalf Of Grant Likely
Sent: 2013?2?5? 22:14
To: Yang, Wenyou; linux-arm-kernel at lists.infradead.org
Cc: richard.genoud at gmail.com; Lin, JM; Ferre, Nicolas;
linux-kernel at vger.kernel.org; Yang, Wenyou; plagnioj at jcrosoft.com
Subject: Re: [v4 PATCH 00/12] atmel spi controller with dmaengine and device
tree support

On Mon, 14 Jan 2013 15:34:25 +0800, Wenyou Yang
[off-list ref] wrote:
quoted
Hi All,

This set of patches is to add dmaengine and device tree support for atmel spi.
The work is based on Nicolas and Richard's work.
It is tested on at91sam9x5ek, at91sam9m10g45ek, at91sam9263ek and
at91sam9g20ek.
quoted
It is based on v3.8-rc3.
Hi Wenyou,

The patches look fine on a quick look, but I cannot apply them without a
Signed-off-by line from you since you are the person posting the
patches. Please read section 12 of Documentation/SubmittingPatches
(about line #288) and then reply confirming what your signed-off-by line
should be.
Yes, I should add the below lines:
[wenyou.yang at atmel.com: Submit the patch]
Signed-off-by: Wenyou Yang <redacted>
quoted
Changelog:
v4:
	1./ Take Joe Perches's advance, rewrite atmel_spi_is_v2(struct atmel_spi
*as)
quoted
	     and atmel_spi_use_dma(struct atmel_spi *as),
	     and remove atmel_spi_use_pdc(struct atmel_spi *as).

	2./ Rebase on v3.8-rc3.

V3:
	1./ Rebase on v3.8-rc2.

	2./ Remove some Jean-Christophe's patches which has been
	    applied on v3.8-rc2.

	3./ Remove spi property "cs-gpios" from the SoC dtsi files
	    to the board dts files to avoid some useless pin conflicts.

v2:
   	1./ Remove the patch :PATCH]mtd: m25p80: change the
m25p80_read to reading page to page
quoted
	    which purpose to fix the BUG: when run "flashcp /bin/busybox
/dev/mtdX" in
quoted
	    the at91sam9g25ek with DMA mode, it arises a OOPS.
	    Now fix it in this patch:
	    [PATHC] spi/atmel_spi: add dmaengine support changing to fix the
[BUG].
quoted
	2./ Remove two patches:
   	    which purpose to read dts property to select SPI IP version and
DMA mode
quoted
	    Now they will be gat from device tree different compatile.

	3./ Fix DMA: when enable both spi0 AND spi1, the spi0 doesn't work BUG.

	4./ Rebase v3.7-rc8.

Best Regards,
Wenyou Yang.

Nicolas Ferre (5):
  spi/atmel_spi: add physical base address
  spi/atmel_spi: call unmapping on transfers buffers
  spi/atmel_spi: status information passed through controller data
  spi/atmel_spi: add flag to controller data for lock operations
  spi/atmel_spi: add dmaengine support

Richard Genoud (6):
  spi/atmel_spi: fix spi-atmel driver to adapt to slave_config changes
  spi/atmel_spi: correct 16 bits transfers using PIO
  spi/atmel_spi: correct 16 bits transfer with DMA
  ARM: at91: add clocks for spi dt entries
  ARM: dts: add spi nodes for atmel SoC
  ARM: dts: add spi nodes for the atmel boards

Wenyou Yang (1):
  spi/atmel_spi: update the dt support

 arch/arm/boot/dts/at91sam9260.dtsi          |   18 +
 arch/arm/boot/dts/at91sam9263.dtsi          |   18 +
 arch/arm/boot/dts/at91sam9263ek.dts         |   14 +
 arch/arm/boot/dts/at91sam9g20ek_common.dtsi |   14 +
 arch/arm/boot/dts/at91sam9g45.dtsi          |   18 +
 arch/arm/boot/dts/at91sam9m10g45ek.dts      |   14 +
 arch/arm/boot/dts/at91sam9n12.dtsi          |   18 +
 arch/arm/boot/dts/at91sam9n12ek.dts         |   14 +
 arch/arm/boot/dts/at91sam9x5.dtsi           |   18 +
 arch/arm/boot/dts/at91sam9x5ek.dtsi         |   14 +
 arch/arm/mach-at91/at91sam9260.c            |    2 +
 arch/arm/mach-at91/at91sam9g45.c            |    2 +
 arch/arm/mach-at91/at91sam9n12.c            |    2 +
 arch/arm/mach-at91/at91sam9x5.c             |    2 +
 drivers/spi/spi-atmel.c                     |  809
++++++++++++++++++++++++---
quoted
 15 files changed, 908 insertions(+), 69 deletions(-)

--
1.7.9.5


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--
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies, Ltd.
Best Regards,
Wenyou Yang
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