From: Mark Brown broonie@linaro.org
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 --- drivers/spi/spi-s3c64xx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 2ab96fb..e631232 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);