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-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 7582581..cc55cbc 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -298,7 +298,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
#define NDTR1_tAR(c) (min((c), 15) << 0)
/* convert nano-seconds to nand flash controller clock cycles */
-#define ns2cycle(ns, clk) (int)(((ns) * (clk / 1000000) / 1000) + 1)
+#define ns2cycle(ns, clk) (int)(((ns) * (clk / 1000000) / 1000) - 1)
static void pxa3xx_nand_set_timing(struct pxa3xx_nand_info *info,
const struct pxa3xx_nand_timing *t)