[PATCH] mtd: nand: atmel: Fix EDO mode check

Boris Brezillon boris.brezillon at free-electrons.com
Mon Jul 31 01:32:21 PDT 2017


EDO mode should be used when tRC is less than 30ns, but timings are
expressed in picoseconds in the nand_sdr_timings struct.

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
Fixes: f9ce2eddf176 ("mtd: nand: atmel: Add ->setup_data_interface() hooks")
Reported-by: Alexander Dahl <ada at thorsis.com>
---
 drivers/mtd/nand/atmel/nand-controller.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c
index d922a88e407f..2c8baa0c2c4e 100644
--- a/drivers/mtd/nand/atmel/nand-controller.c
+++ b/drivers/mtd/nand/atmel/nand-controller.c
@@ -1201,7 +1201,7 @@ static int atmel_smc_nand_prepare_smcconf(struct atmel_nand *nand,
 	 * tRC < 30ns implies EDO mode. This controller does not support this
 	 * mode.
 	 */
-	if (conf->timings.sdr.tRC_min < 30)
+	if (conf->timings.sdr.tRC_min < 30000)
 		return -ENOTSUPP;
 
 	atmel_smc_cs_conf_init(smcconf);
-- 
2.7.4




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