From: Andreas Larsson <andreas-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: Joakim Tjernlund
<Joakim.Tjernlund-SNLAxHN9vbcOP4wsBPIw7w@public.gmane.org>,
software-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org,
Mark Brown
<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Anton Vorontsov
<anton.vorontsov-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Peter Korsgaard <jacmet-OfajU3CKLf1/SzgSGea1oA@public.gmane.org>,
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
Mingkai Hu <Mingkai.hu-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Subject: [PATCH v3 2/7] spi: spi-fsl-spi: Make sure in spi_fsl_setup that chipselect becomes inactive
Date: Fri, 15 Feb 2013 16:52:22 +0100 [thread overview]
Message-ID: <1360943547-2186-3-git-send-email-andreas@gaisler.com> (raw)
In-Reply-To: <1360943547-2186-1-git-send-email-andreas-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
This is needed for a device in SPI_CS_HIGH mode that otherwise could start out
active for the first transaction.
Acked-by: Anton Vorontsov <anton-9xeibp6oKSgdnm+yROfE0A@public.gmane.org>
Signed-off-by: Andreas Larsson <andreas-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
---
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 cf1cffb..527ac35 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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next prev parent reply other threads:[~2013-02-15 15:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-15 15:52 [PATCH v3 0/7] spi: spi-fsl-spi: Make spi-fsl-spi usable in cpu mode outside of FSL SOC environments and add a grlib variant normally running on sparc Andreas Larsson
2013-02-15 15:52 ` [PATCH v3 4/7] spi: spi-fsl-spi: Introduce a type for the driver Andreas Larsson
[not found] ` <1360943547-2186-1-git-send-email-andreas-FkzTOoA/JUlBDgjK7y7TUQ@public.gmane.org>
2013-02-15 15:52 ` [PATCH v3 1/7] spi: spi-fsl-spi: Make driver usable in CPU mode outside of an FSL_SOC environment Andreas Larsson
2013-02-15 15:52 ` Andreas Larsson [this message]
2013-02-15 15:52 ` [PATCH v3 3/7] spi: spi-fsl-spi: Move setting non-zero tx and rx shifts to a function accessed by a function pointer Andreas Larsson
2013-02-15 15:52 ` [PATCH v3 5/7] spi: spi-fsl-spi: Add support for setting a maximum number of bits per word Andreas Larsson
2013-04-09 16:57 ` Mark Brown
2013-04-09 17:02 ` Mark Brown
2013-02-15 15:52 ` [PATCH v3 6/7] spi: spi-fsl-spi: Add support for Aeroflex Gaisler GRLIB cores normally running on SPARC Andreas Larsson
2013-02-15 15:52 ` [PATCH v3 7/7] spi: spi-fsl-spi: Add support for gpio chipselects for GRLIB type cores Andreas Larsson
2013-03-02 21:57 ` [PATCH v3 0/7] spi: spi-fsl-spi: Make spi-fsl-spi usable in cpu mode outside of FSL SOC environments and add a grlib variant normally running on sparc Grant Likely
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