[U-Boot] [PATCH] mtd, omap: fix case NAND_OMAP_GPMC_PREFETCH not defined
Samuel Egli
samuel.egli at siemens.com
Fri Feb 13 15:47:10 CET 2015
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 at siemens.com>
CC: Daniel Mack <zonque at gmail.com>
CC: Guido Martínez <guido at vanguardiasur.com.ar>
CC: Tom Rini <trini at ti.com>
CC: Heiko Schocher <hs at 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;
--
1.7.10.4
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