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Searched refs:scbr (Results 1 - 4 of 4) sorted by relevance

/kernel/linux/linux-5.10/drivers/spi/
H A Datmel-quadspi.c483 u32 scbr; in atmel_qspi_setup() local
496 scbr = DIV_ROUND_UP(src_rate, spi->max_speed_hz); in atmel_qspi_setup()
497 if (scbr > 0) in atmel_qspi_setup()
498 scbr--; in atmel_qspi_setup()
500 aq->scr = QSPI_SCR_SCBR(scbr); in atmel_qspi_setup()
H A Dspi-atmel.c815 u32 scbr, csr; in atmel_spi_set_xfer_speed() local
833 scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz); in atmel_spi_set_xfer_speed()
839 if (scbr >= (1 << SPI_SCBR_SIZE)) { in atmel_spi_set_xfer_speed()
841 "setup: %d Hz too slow, scbr %u; min %ld Hz\n", in atmel_spi_set_xfer_speed()
842 xfer->speed_hz, scbr, bus_hz/255); in atmel_spi_set_xfer_speed()
845 if (scbr == 0) { in atmel_spi_set_xfer_speed()
847 "setup: %d Hz too high, scbr %u; max %ld Hz\n", in atmel_spi_set_xfer_speed()
848 xfer->speed_hz, scbr, bus_hz); in atmel_spi_set_xfer_speed()
852 csr = SPI_BFINS(SCBR, scbr, csr); in atmel_spi_set_xfer_speed()
854 xfer->effective_speed_hz = bus_hz / scbr; in atmel_spi_set_xfer_speed()
[all...]
/kernel/linux/linux-6.6/drivers/spi/
H A Datmel-quadspi.c482 u32 scbr; in atmel_qspi_setup() local
496 scbr = DIV_ROUND_UP(src_rate, spi->max_speed_hz); in atmel_qspi_setup()
497 if (scbr > 0) in atmel_qspi_setup()
498 scbr--; in atmel_qspi_setup()
504 aq->scr = QSPI_SCR_SCBR(scbr); in atmel_qspi_setup()
H A Dspi-atmel.c880 u32 scbr, csr; in atmel_spi_set_xfer_speed() local
898 scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz); in atmel_spi_set_xfer_speed()
904 if (scbr >= (1 << SPI_SCBR_SIZE)) { in atmel_spi_set_xfer_speed()
906 "setup: %d Hz too slow, scbr %u; min %ld Hz\n", in atmel_spi_set_xfer_speed()
907 xfer->speed_hz, scbr, bus_hz/255); in atmel_spi_set_xfer_speed()
910 if (scbr == 0) { in atmel_spi_set_xfer_speed()
912 "setup: %d Hz too high, scbr %u; max %ld Hz\n", in atmel_spi_set_xfer_speed()
913 xfer->speed_hz, scbr, bus_hz); in atmel_spi_set_xfer_speed()
917 csr = SPI_BFINS(SCBR, scbr, csr); in atmel_spi_set_xfer_speed()
919 xfer->effective_speed_hz = bus_hz / scbr; in atmel_spi_set_xfer_speed()
[all...]

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