Fixed problem with setting spi mode 0 or 1 after setting mode 2 or 3
Signed-off-by: Andrew Y. Kuksov <[email protected]>
---
drivers/spi/spi-imx.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index eb7d3a6..36b6ece 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -335,13 +335,20 @@ static int __maybe_unused mx51_ecspi_config(struct
spi_imx_data *spi_imx,
if (config->mode & SPI_CPHA)
cfg |= MX51_ECSPI_CONFIG_SCLKPHA(config->cs);
+ else
+ cfg &= ~MX51_ECSPI_CONFIG_SCLKPHA(config->cs);
if (config->mode & SPI_CPOL) {
cfg |= MX51_ECSPI_CONFIG_SCLKPOL(config->cs);
cfg |= MX51_ECSPI_CONFIG_SCLKCTL(config->cs);
+ } else {
+ cfg &= ~MX51_ECSPI_CONFIG_SCLKPOL(config->cs);
+ cfg &= ~MX51_ECSPI_CONFIG_SCLKCTL(config->cs);
}
if (config->mode & SPI_CS_HIGH)
cfg |= MX51_ECSPI_CONFIG_SSBPOL(config->cs);
+ else
+ cfg &= ~MX51_ECSPI_CONFIG_SSBPOL(config->cs);
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG);
--
2.1.0
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