linux.git/drivers/spi, branch v3.16-rc2 Linux kernel source tree spi/pxa2xx: change default supported DMA burst size to 1 2014-06-06T09:52:46+00:00 Chew, Chiau Ee chiau.ee.chew@intel.com 2014-06-05T17:45:09+00:00 01d7aafb3fbaafe2403780ef9ed497b3289ab1b9 This is to fix the SPI DMA transfer failure for speed less than 1M. If using current DMA burst size setting (16), the Rx data bytes are invalid due to each data byte is multiplied according to the burst size setting. Let's said supposedly we shall receive the following 18 bytes of data: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 Instead, the data bytes received consist of "16 bytes of '01' + 2 bytes of '02'" : 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 02 02 Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Mark Brown <broonie@linaro.org> 
This is to fix the SPI DMA transfer failure for speed less than 1M.
If using current DMA burst size setting (16), the Rx data bytes are
invalid due to each data byte is multiplied according to the burst
size setting.

Let's said supposedly we shall receive the following 18 bytes of data:
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18
Instead, the data bytes received consist of "16 bytes of '01' +
2 bytes of '02'" :
01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 02 02

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Merge remote-tracking branch 'spi/topic/workqueue' into spi-next 2014-06-02T16:08:43+00:00 Mark Brown broonie@linaro.org 2014-06-02T16:08:43+00:00 69e25c755722056b57892bebeb1892e3a6fe8774 






Merge remote-tracking branches 'spi/topic/oom', 'spi/topic/pxa2xx', 'spi/topic/rspi' and 'spi/topic/sirf' into spi-next
2014-06-02T16:08:41+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:41+00:00

301d8384b5516596cf53b88478b4b379aa09208a












Merge remote-tracking branches 'spi/topic/dw', 'spi/topic/fsl', 'spi/topic/fsl-espi' and 'spi/topic/id-const' into spi-next
2014-06-02T16:08:38+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:38+00:00

8fb3b066a60ec1e39dc2f91eb87e91f434e4da81












Merge remote-tracking branches 'spi/topic/adi', 'spi/topic/atmel' and 'spi/topic/cadence' into spi-next
2014-06-02T16:08:35+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:35+00:00

446fe5e2d5616eb52c928e58f16558ab7c0d2414












Merge remote-tracking branch 'spi/topic/dt' into spi-next
2014-06-02T16:08:35+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:35+00:00

f54645d1aac092d5b3065b1d1fe181dff4deb71d












Merge remote-tracking branch 'spi/topic/core' into spi-next
2014-06-02T16:08:34+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:34+00:00

15751f2e717c4cbdf17b0c21f2b1b23a939dafc9












Merge remote-tracking branches 'spi/fix/qup' and 'spi/fix/topcliff-pch' into spi-linus
2014-06-02T16:08:31+00:00

Mark Brown
broonie@linaro.org

2014-06-02T16:08:31+00:00

03689d2d75d38dd77c8148b742aa5a7befbcd736












spi: rspi: Extract rspi_common_transfer()
2014-06-02T14:49:36+00:00

Geert Uytterhoeven
geert+renesas@glider.be

2014-06-02T13:38:19+00:00

8b983e90ea1a3dd82070f96c062ad521a06b7cc0

Extract the common parts of rspi_transfer_one(), rspi_rz_transfer_one(),
and qspi_transfer_out_in() into the new function rspi_common_transfer().

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>





Extract the common parts of rspi_transfer_one(), rspi_rz_transfer_one(),
and qspi_transfer_out_in() into the new function rspi_common_transfer().

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>







spi: rspi: Add DMA support for RSPI on RZ/A1H
2014-06-02T14:49:35+00:00

Geert Uytterhoeven
geert+renesas@glider.be

2014-06-02T13:38:18+00:00

e7fb921d9f62df05240ad1a74b5a0f623e503c9c

Enable DMA support for RSPI on r7s72100 (RZ/A1H).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>





Enable DMA support for RSPI on r7s72100 (RZ/A1H).

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@linaro.org>