[PATCH v2 5/9] mtd: rawnand: onfi: Define the number of parameter pages

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

Use a macro to define the number of parameter page instead of
hardcoding it everywhere.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
 drivers/mtd/nand/raw/nand_onfi.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/nand_onfi.c b/drivers/mtd/nand/raw/nand_onfi.c
index 7d9a3130443a..9fe39adbde4c 100644
--- a/drivers/mtd/nand/raw/nand_onfi.c
+++ b/drivers/mtd/nand/raw/nand_onfi.c
@@ -16,6 +16,8 @@
 
 #include "internals.h"
 
+#define ONFI_PARAM_PAGES 3
+
 u16 onfi_crc16(u16 crc, u8 const *p, size_t len)
 {
 	int i;
@@ -156,7 +158,7 @@ int nand_onfi_detect(struct nand_chip *chip)
 		return 0;
 
 	/* ONFI chip: allocate a buffer to hold its parameter page */
-	p = kzalloc((sizeof(*p) * 3), GFP_KERNEL);
+	p = kzalloc((sizeof(*p) * ONFI_PARAM_PAGES), GFP_KERNEL);
 	if (!p)
 		return -ENOMEM;
 
@@ -166,7 +168,7 @@ int nand_onfi_detect(struct nand_chip *chip)
 		goto free_onfi_param_page;
 	}
 
-	for (i = 0; i < 3; i++) {
+	for (i = 0; i < ONFI_PARAM_PAGES; i++) {
 		ret = nand_read_data_op(chip, &p[i], sizeof(*p), true);
 		if (ret) {
 			ret = 0;
@@ -181,8 +183,8 @@ int nand_onfi_detect(struct nand_chip *chip)
 		}
 	}
 
-	if (i == 3) {
-		const void *srcbufs[3] = {p, p + 1, p + 2};
+	if (i == ONFI_PARAM_PAGES) {
+		const void *srcbufs[ONFI_PARAM_PAGES] = {p, p + 1, p + 2};
 
 		pr_warn("Could not find a valid ONFI parameter page, trying bit-wise majority to recover it\n");
 		nand_bit_wise_majority(srcbufs, ARRAY_SIZE(srcbufs), p,
-- 
2.20.1


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