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[U-Boot,RFC,v1,3/6] mtd: nand: pxa3xx_nand: sync pxa3xx_nand_set_sdr_timing()

Message ID 20161020043127.20027-4-judge.packham@gmail.com
State RFC
Headers show

Commit Message

Chris Packham Oct. 20, 2016, 4:31 a.m. UTC
Since the pxa3xx_nand driver was added there has been a discrepancy in
pxa3xx_nand_set_sdr_timing() around the setting of tWP_min and tRP_min.
This brings us into line with the current Linux code.

Cc: Antoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
---

 drivers/mtd/nand/pxa3xx_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index a7a488260a71..784b7585687f 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -345,9 +345,9 @@  static void pxa3xx_nand_set_sdr_timing(struct pxa3xx_nand_host *host,
 	u32 tCH_min = DIV_ROUND_UP(t->tCH_min, 1000);
 	u32 tCS_min = DIV_ROUND_UP(t->tCS_min, 1000);
 	u32 tWH_min = DIV_ROUND_UP(t->tWH_min, 1000);
-	u32 tWP_min = DIV_ROUND_UP(t->tWC_min - tWH_min, 1000);
+	u32 tWP_min = DIV_ROUND_UP(t->tWC_min - t->tWH_min, 1000);
 	u32 tREH_min = DIV_ROUND_UP(t->tREH_min, 1000);
-	u32 tRP_min = DIV_ROUND_UP(t->tRC_min - tREH_min, 1000);
+	u32 tRP_min = DIV_ROUND_UP(t->tRC_min - t->tREH_min, 1000);
 	u32 tR = chip->chip_delay * 1000;
 	u32 tWHR_min = DIV_ROUND_UP(t->tWHR_min, 1000);
 	u32 tAR_min = DIV_ROUND_UP(t->tAR_min, 1000);