diff options
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml | 6 | ||||
| -rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 6 | ||||
| -rw-r--r-- | drivers/spi/spi-geni-qcom.c | 2 |
3 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml index 20f77246d365..226d8b493b57 100644 --- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml +++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml @@ -32,6 +32,12 @@ properties: clocks: maxItems: 2 + iommus: + maxItems: 1 + + power-domains: + maxItems: 1 + required: - compatible - reg diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index f2341ab99556..d9f8231bcea8 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -303,6 +303,12 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi) perclk_rate = clk_get_rate(fsl_lpspi->clk_per); + if (!config.speed_hz) { + dev_err(fsl_lpspi->dev, + "error: the transmission speed provided is 0!\n"); + return -EINVAL; + } + if (config.speed_hz > perclk_rate / 2) { dev_err(fsl_lpspi->dev, "per-clk should be at least two times of transfer speed"); diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index ba7be505ec4e..8a7d1c2eb4f0 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -35,7 +35,7 @@ #define CS_DEMUX_OUTPUT_SEL GENMASK(3, 0) #define SE_SPI_TRANS_CFG 0x25c -#define CS_TOGGLE BIT(0) +#define CS_TOGGLE BIT(1) #define SE_SPI_WORD_LEN 0x268 #define WORD_LEN_MSK GENMASK(9, 0) |