SF uses mode from driver side for informing whether flash can operated in single or dual connections.
Signed-off-by: Jagannadha Sutradharudu Teki jaganna@xilinx.com --- drivers/mtd/spi/sf_probe.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 036f48d..22b6335 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -123,7 +123,6 @@ static struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, flash->spi = spi; flash->name = params->name; flash->memory_map = spi->memory_map; - flash->dual_flash = flash->spi->option;
/* Assign spi_flash ops */ flash->read = spi_flash_cmd_read_ops; @@ -133,7 +132,13 @@ static struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, if (params->flags & SST_WP) flash->write = sst_write_wp; #endif - + /* Get the dual flash connection modes */ +#ifdef CONFIG_SF_DUAL_FLASH + if (flash->spi->mode & SPI_SHARED) + flash->dual_flash = SF_DUAL_STACKED_FLASH; + else if (flash->spi->mode & SPI_SEPARATED) + flash->dual_flash = SF_DUAL_PARALLEL_FLASH; +#endif /* Compute the flash size */ flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0; flash->page_size = ((ext_jedec == 0x4d00) ? 512 : 256) << flash->shift;