mtd: nand: convert ONFI mode into data interface

struct nand_data_interface is the designated type to pass to
the NAND drivers to configure the timing. To simplify further
patches convert the onfi_sdr_timings array from type struct
nand_sdr_timings nand_data_interface.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

drivers/mtd/nand/nand_timings.c

@@ -13,9 +13,11 @@
 #include <linux/export.h>
 #include <linux/mtd/nand.h>
 
-static const struct nand_sdr_timings onfi_sdr_timings[] = {
+static const struct nand_data_interface onfi_sdr_timings[] = {
 	/* Mode 0 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 20000,
 			.tALS_min = 50000,
@@ -51,8 +53,11 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 50000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 1 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 10000,
 			.tALS_min = 25000,
@@ -88,8 +93,11 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 25000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 2 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 10000,
 			.tALS_min = 15000,
@@ -125,8 +133,11 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 17000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 3 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
@@ -162,8 +173,11 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 15000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 4 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
@@ -199,8 +213,11 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 12000,
 			.tWW_min = 100000,
 		},
+	},
 	/* Mode 5 */
 	{
+		.type = NAND_SDR_IFACE,
+		.timings.sdr = {
 			.tADL_min = 400000,
 			.tALH_min = 5000,
 			.tALS_min = 10000,
@@ -236,6 +253,7 @@ static const struct nand_sdr_timings onfi_sdr_timings[] = {
 			.tWP_min = 10000,
 			.tWW_min = 100000,
 		},
+	},
 };
 
 /**
@@ -248,6 +266,6 @@ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode)
 	if (mode < 0 || mode >= ARRAY_SIZE(onfi_sdr_timings))
 		return ERR_PTR(-EINVAL);
 
-	return &onfi_sdr_timings[mode];
+	return &onfi_sdr_timings[mode].timings.sdr;
 }
 EXPORT_SYMBOL(onfi_async_timing_mode_to_sdr_timings);