The patch c316f577b4b72d1a1aeb559e9b3fad20808f1ffd breaks siemens boards because prefetch mode is not enabled. I assume it breaks other boards as well that don't use prefetch.
This patch sets read_buf to nand_read_buf if NAND_OMAP_GPMC_PREFETCH is not defined.
Signed-off-by: Samuel Egli samuel.egli@siemens.com CC: Daniel Mack zonque@gmail.com CC: Guido MartÃnez guido@vanguardiasur.com.ar CC: Tom Rini trini@ti.com CC: Heiko Schocher hs@denx.de --- drivers/mtd/nand/omap_gpmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index fc64f48..24123fc 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -989,12 +989,15 @@ int board_nand_init(struct nand_chip *nand) if (err) return err;
-#ifdef CONFIG_NAND_OMAP_GPMC_PREFETCH /* TODO: Implement for 16-bit bus width */ if (nand->options & NAND_BUSWIDTH_16) nand->read_buf = nand_read_buf16; +#ifdef CONFIG_NAND_OMAP_GPMC_PREFETCH else nand->read_buf = omap_nand_read_prefetch8; +#else + else + nand->read_buf = nand_read_buf; #endif
nand->dev_ready = omap_dev_ready;