@@ -22,6 +22,19 @@ 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);
+ }
+
return 0;
}
The MX30LF2G18AC chip declares in its parameter page supporting SET/GET_FEATURES but when it comes to timings, experience shows that it is not the case. Unflag this feature for this particular chip in the nand_parameters structure to avoid unnecessary errors and downturns. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/mtd/nand/raw/nand_macronix.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)