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[3.8,30/67] spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true

Message ID 1393872955-28810-31-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 3, 2014, 6:55 p.m. UTC 
3.8.13.19 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@ingics.com>

commit f7db1588d6028c97c098bb6445eaabc56a25fed8 upstream.

Otherwise, spi_setup() fails with unsupported mode bits message.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/spi/spi-nuc900.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index b3f9ec8..2d7b7c8 100644
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -374,6 +374,8 @@  static int nuc900_spi_probe(struct platform_device *pdev)
 	init_completion(&hw->done);
 
 	master->mode_bits          = SPI_MODE_0;
+	if (hw->pdata->lsb)
+		master->mode_bits |= SPI_LSB_FIRST;
 	master->num_chipselect     = hw->pdata->num_cs;
 	master->bus_num            = hw->pdata->bus_num;
 	hw->bitbang.master         = hw->master;