diff mbox series

[U-Boot,RFC,v3,03/10] mtd: nand: pxa3xx_nand: sync pxa3xx_nand_set_sdr_timing()

Message ID 1512543348-1673-4-git-send-email-oferh@marvell.com
State RFC
Headers show
Series pxa3xx_nand updates | expand

Commit Message

Ofer Heifetz Dec. 6, 2017, 6:55 a.m. UTC 
From: Ofer Heifetz <oferh@marvell.com>

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.

Signed-off-by: Chris Packham <judge.packham at gmail.com>
Tested-by: Ofer Heifetz <oferh@marvell.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 0eb6abb..3feaf0c 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -350,9 +350,9 @@  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);