When using the spi-nor master controller always verify the chip select bit in the cs register. Also do not use CDRAM PCS bit in BSPI mode. Additionally make sure to enable/disable BSPI_MAST_N_BOOT_CTRL while using BSPI mode.
V2 changes: - Added "Fixes:" tag to 1/2 and 2/2 patches Kamal Dasu (2): spi: bcm-qspi: Avoid setting MSPI_CDRAM_PCS for spi-nor master spi: bcm-qspi: Always read and set BSPI_MAST_N_BOOT_CTRL drivers/spi/spi-bcm-qspi.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) -- 2.7.4
