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| author | Mark Brown <broonie@linaro.org> | 2013-09-27 20:38:01 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-30 12:53:39 +0100 |
| commit | 0f5a751ace250097d3ad7835df7d376f21f44509 (patch) | |
| tree | 635c5f9aa15f2839b08d208c6cb88cec9a51ee7a /drivers/spi/spi-s3c64xx.c | |
| parent | 8c09daa1c963e2ab58029520dd2f3d54184d7258 (diff) | |
| download | lwn-0f5a751ace250097d3ad7835df7d376f21f44509.tar.gz lwn-0f5a751ace250097d3ad7835df7d376f21f44509.zip | |
spi/s3c64xx: Enable GPIO /CS prior to starting hardware
To help with bisection of future refactoring to share more of the code for
handling a spi_message pull the enabling of GPIO based /CS prior to all
the hardware setup for starting a transfer.
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
| -rw-r--r-- | drivers/spi/spi-s3c64xx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 2ab96fb28d22..e6312322f66a 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -906,6 +906,9 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, s3c64xx_spi_config(sdd); } + /* Slave Select */ + enable_cs(sdd, spi); + /* Polling method for xfers not bigger than FIFO capacity */ use_dma = 0; if (!is_polling(sdd) && @@ -921,9 +924,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, enable_datapath(sdd, spi, xfer, use_dma); - /* Slave Select */ - enable_cs(sdd, spi); - /* Start the signals */ writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL); |