[PATCH v6 3/3] mtd: cfi_cmdset_0002: Rename chip_ready variables and add ID definition

Tokunori Ikegami ikegami.t at gmail.com
Tue Mar 22 16:49:52 PDT 2022


The definition is for the S29GL064N model number 01, 02, V1 and V2.

Signed-off-by: Tokunori Ikegami <ikegami.t at gmail.com>
Cc: Miquel Raynal <miquel.raynal at bootlin.com>
Cc: Richard Weinberger <richard at nod.at>
Cc: Vignesh Raghavendra <vigneshr at ti.com>
Cc: linux-mtd at lists.infradead.org
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 59334530dd46..67453f59c69c 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -48,6 +48,7 @@
 #define SST49LF040B		0x0050
 #define SST49LF008A		0x005a
 #define AT49BV6416		0x00d6
+#define S29GL064N_MN12		0x0c01
 
 /*
  * Status Register bit description. Used by flash devices that don't
@@ -445,7 +446,7 @@ static void fixup_quirks(struct mtd_info *mtd)
 	struct map_info *map = mtd->priv;
 	struct cfi_private *cfi = map->fldrv_priv;
 
-	if (cfi->mfr == CFI_MFR_AMD && cfi->id == 0x0c01)
+	if (cfi->mfr == CFI_MFR_AMD && cfi->id == S29GL064N_MN12)
 		cfi->quirks |= CFI_QUIRK_DQ_TRUE_DATA;
 }
 
@@ -475,7 +476,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 	{ CFI_MFR_AMD, 0x0056, fixup_use_secsi },
 	{ CFI_MFR_AMD, 0x005C, fixup_use_secsi },
 	{ CFI_MFR_AMD, 0x005F, fixup_use_secsi },
-	{ CFI_MFR_AMD, 0x0c01, fixup_s29gl064n_sectors },
+	{ CFI_MFR_AMD, S29GL064N_MN12, fixup_s29gl064n_sectors },
 	{ CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors },
 	{ CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors },
 	{ CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors },
@@ -833,7 +834,7 @@ static int __xipram chip_ready(struct map_info *map, struct flchip *chip,
 			       unsigned long addr, map_word *expected)
 {
 	struct cfi_private *cfi = map->fldrv_priv;
-	map_word d, t;
+	map_word oldd, curd;
 	int ret;
 
 	if (cfi_use_status_reg(cfi)) {
@@ -844,20 +845,20 @@ static int __xipram chip_ready(struct map_info *map, struct flchip *chip,
 		 */
 		cfi_send_gen_cmd(0x70, cfi->addr_unlock1, chip->start, map, cfi,
 				 cfi->device_type, NULL);
-		t = map_read(map, addr);
+		curd = map_read(map, addr);
 
-		return map_word_andequal(map, t, ready, ready);
+		return map_word_andequal(map, curd, ready, ready);
 	}
 
-	d = map_read(map, addr);
-	t = map_read(map, addr);
+	oldd = map_read(map, addr);
+	curd = map_read(map, addr);
 
-	ret = map_word_equal(map, d, t);
+	ret = map_word_equal(map, oldd, curd);
 
 	if (!ret || !expected)
 		return ret;
 
-	return map_word_equal(map, t, *expected);
+	return map_word_equal(map, curd, *expected);
 }
 
 static int __xipram chip_good(struct map_info *map, struct flchip *chip,
-- 
2.32.0




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