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Diffstat (limited to 'drivers/mtd/nand/raw/nand_macronix.c')
-rw-r--r--drivers/mtd/nand/raw/nand_macronix.c48
1 files changed, 36 insertions, 12 deletions
diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c
index 7ed1f87e742a..49c546c97c6f 100644
--- a/drivers/mtd/nand/raw/nand_macronix.c
+++ b/drivers/mtd/nand/raw/nand_macronix.c
@@ -17,23 +17,47 @@
#include <linux/mtd/rawnand.h>
+/*
+ * Macronix AC series does not support using SET/GET_FEATURES to change
+ * the timings unlike what is declared in the parameter page. Unflag
+ * this feature to avoid unnecessary downturns.
+ */
+static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip)
+{
+ unsigned int i;
+ static const char * const broken_get_timings[] = {
+ "MX30LF1G18AC",
+ "MX30LF1G28AC",
+ "MX30LF2G18AC",
+ "MX30LF2G28AC",
+ "MX30LF4G18AC",
+ "MX30LF4G28AC",
+ "MX60LF8G18AC",
+ };
+
+ if (!chip->parameters.supports_set_get_features)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(broken_get_timings); i++) {
+ if (!strcmp(broken_get_timings[i], chip->parameters.model))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(broken_get_timings))
+ return;
+
+ bitmap_clear(chip->parameters.get_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+ bitmap_clear(chip->parameters.set_feature_list,
+ ONFI_FEATURE_ADDR_TIMING_MODE, 1);
+}
+
static int macronix_nand_init(struct nand_chip *chip)
{
if (nand_is_slc(chip))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;
- /*
- * MX30LF2G18AC chip does not support using SET/GET_FEATURES to change
- * the timings unlike what is declared in the parameter page. Unflag
- * this feature to avoid unnecessary downturns.
- */
- if (chip->parameters.supports_set_get_features &&
- !strcmp("MX30LF2G18AC", chip->parameters.model)) {
- bitmap_clear(chip->parameters.get_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- bitmap_clear(chip->parameters.set_feature_list,
- ONFI_FEATURE_ADDR_TIMING_MODE, 1);
- }
+ macronix_nand_fix_broken_get_timings(chip);
return 0;
}