[3.11.y.z extended stable] Patch "spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Fri Feb 21 12:24:16 UTC 2014
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 at 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 at ingics.com>
Signed-off-by: Mark Brown <broonie at linaro.org>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/spi/spi-nuc900.c | 2 ++
1 file changed, 2 insertions(+)
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;
--
1.9.0
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