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[3.11.y.z,extended,stable] Patch "spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if" has been added to staging queue

Message ID 1392985456-4780-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Feb. 21, 2014, 12:24 p.m. UTC
This is a note to let you know that I have just added a patch titled

    spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

From 380803921161e25e0e99101b69bc8e2eb51e3f17 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Mon, 20 Jan 2014 23:22:07 +0800
Subject: spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if
 hw->pdata->lsb is true

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>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/spi/spi-nuc900.c | 2 ++
 1 file changed, 2 insertions(+)

--
1.9.0
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Patch

diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index 150d854..49626e9 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;