diff options
Diffstat (limited to 'src/soc/samsung/exynos5420/spi.c')
| -rw-r--r-- | src/soc/samsung/exynos5420/spi.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/src/soc/samsung/exynos5420/spi.c b/src/soc/samsung/exynos5420/spi.c index 31611e3ed6..36742a7279 100644 --- a/src/soc/samsung/exynos5420/spi.c +++ b/src/soc/samsung/exynos5420/spi.c @@ -133,22 +133,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) return &eslave->slave; } -void spi_cs_activate(struct spi_slave *slave) +int spi_claim_bus(struct spi_slave *slave) { struct exynos_spi *regs = to_exynos_spi(slave)->regs; // TODO(hungte) Add some delay if too many transactions happen at once. clrbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); -} - -void spi_cs_deactivate(struct spi_slave *slave) -{ - struct exynos_spi *regs = to_exynos_spi(slave)->regs; - setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - spi_cs_activate(slave); return 0; } @@ -231,7 +220,8 @@ int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytes_out, void spi_release_bus(struct spi_slave *slave) { - spi_cs_deactivate(slave); + struct exynos_spi *regs = to_exynos_spi(slave)->regs; + setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT); } static int exynos_spi_read(struct spi_slave *slave, void *dest, uint32_t len, |