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Message-Id: <1360242731-13700-3-git-send-email-andreas@gaisler.com>
Date: Thu, 7 Feb 2013 14:12:06 +0100
From: Andreas Larsson <andreas@...sler.com>
To: Grant Likely <grant.likely@...retlab.ca>
Cc: Mark Brown <broonie@...nsource.wolfsonmicro.com>,
spi-devel-general@...ts.sourceforge.net,
Mingkai Hu <Mingkai.hu@...escale.com>,
Anton Vorontsov <anton.vorontsov@...aro.org>,
Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>,
Kumar Gala <galak@...nel.crashing.org>,
Peter Korsgaard <jacmet@...site.dk>,
linux-kernel@...r.kernel.org, software@...sler.com
Subject: [PATCH v2 2/7] spi: spi-fsl-spi: Make sure in spi_fsl_setup that chipselect becomes inactive
This is needed for a device in SPI_CS_HIGH mode that otherwise could start out
active for the first transaction.
Signed-off-by: Andreas Larsson <andreas@...sler.com>
---
drivers/spi/spi-fsl-spi.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index e9ae1d8..b63ce63 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -387,6 +387,10 @@ static int fsl_spi_setup(struct spi_device *spi)
cs->hw_mode = hw_mode; /* Restore settings */
return retval;
}
+
+ /* Initialize chipselect - might be active for SPI_CS_HIGH mode */
+ fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+
return 0;
}
--
1.7.0.4
--
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