Merge 4.18-rc5 into char-misc-next

We want the char-misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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;
 }