diff options
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index b906fc5a22fe..e30276d9a9e3 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -1163,6 +1163,18 @@ static int sunxi_nand_chip_set_timings(struct sunxi_nand_chip *chip, min_clk_period = DIV_ROUND_UP(timings->tWC_min, 2); /* T16 - T19 + tCAD */ + if (timings->tWB_max > (min_clk_period * 20)) + min_clk_period = DIV_ROUND_UP(timings->tWB_max, 20); + + if (timings->tADL_min > (min_clk_period * 32)) + min_clk_period = DIV_ROUND_UP(timings->tADL_min, 32); + + if (timings->tWHR_min > (min_clk_period * 32)) + min_clk_period = DIV_ROUND_UP(timings->tWHR_min, 32); + + if (timings->tRHW_min > (min_clk_period * 20)) + min_clk_period = DIV_ROUND_UP(timings->tRHW_min, 20); + tWB = sunxi_nand_lookup_timing(tWB_lut, timings->tWB_max, min_clk_period); if (tWB < 0) { |