1 files changed, 25 insertions, 19 deletions

diff --git a/drivers/mtd/spi-nor/debugfs.c b/drivers/mtd/spi-nor/debugfs.c
index ff895f6758ea..fa6956144d2e 100644
--- a/drivers/mtd/spi-nor/debugfs.c
+++ b/drivers/mtd/spi-nor/debugfs.c
@@ -1,9 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#include <linux/debugfs.h>
 #include <linux/mtd/spi-nor.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi-mem.h>
-#include <linux/debugfs.h>
 
 #include "core.h"
 
@@ -25,6 +25,9 @@ static const char *const snor_f_names[] = {
 	SNOR_F_NAME(IO_MODE_EN_VOLATILE),
 	SNOR_F_NAME(SOFT_RESET),
 	SNOR_F_NAME(SWP_IS_VOLATILE),
+	SNOR_F_NAME(RWW),
+	SNOR_F_NAME(ECC),
+	SNOR_F_NAME(NO_WP),
 };
 #undef SNOR_F_NAME
 
@@ -75,10 +78,10 @@ static int spi_nor_params_show(struct seq_file *s, void *data)
 	struct spi_nor *nor = s->private;
 	struct spi_nor_flash_parameter *params = nor->params;
 	struct spi_nor_erase_map *erase_map = &params->erase_map;
-	struct spi_nor_erase_region *region;
+	struct spi_nor_erase_region *region = erase_map->regions;
 	const struct flash_info *info = nor->info;
 	char buf[16], *str;
-	int i;
+	unsigned int i;
 
 	seq_printf(s, "name\t\t%s\n", info->name);
 	seq_printf(s, "id\t\t%*ph\n", SPI_NOR_MAX_ID_LEN, nor->id);
@@ -135,26 +138,24 @@ static int spi_nor_params_show(struct seq_file *s, void *data)
 
 	if (!(nor->flags & SNOR_F_NO_OP_CHIP_ERASE)) {
 		string_get_size(params->size, 1, STRING_UNITS_2, buf, sizeof(buf));
-		seq_printf(s, " %02x (%s)\n", SPINOR_OP_CHIP_ERASE, buf);
+		seq_printf(s, " %02x (%s)\n", nor->params->die_erase_opcode, buf);
 	}
 
 	seq_puts(s, "\nsector map\n");
-	seq_puts(s, " region (in hex)   | erase mask | flags\n");
+	seq_puts(s, " region (in hex)   | erase mask | overlaid\n");
 	seq_puts(s, " ------------------+------------+----------\n");
-	for (region = erase_map->regions;
-	     region;
-	     region = spi_nor_region_next(region)) {
-		u64 start = region->offset & ~SNOR_ERASE_FLAGS_MASK;
-		u64 flags = region->offset & SNOR_ERASE_FLAGS_MASK;
-		u64 end = start + region->size - 1;
+	for (i = 0; i < erase_map->n_regions; i++) {
+		u64 start = region[i].offset;
+		u64 end = start + region[i].size - 1;
+		u8 erase_mask = region[i].erase_mask;
 
 		seq_printf(s, " %08llx-%08llx |     [%c%c%c%c] | %s\n",
 			   start, end,
-			   flags & BIT(0) ? '0' : ' ',
-			   flags & BIT(1) ? '1' : ' ',
-			   flags & BIT(2) ? '2' : ' ',
-			   flags & BIT(3) ? '3' : ' ',
-			   flags & SNOR_OVERLAID_REGION ? "overlaid" : "");
+			   erase_mask & BIT(0) ? '0' : ' ',
+			   erase_mask & BIT(1) ? '1' : ' ',
+			   erase_mask & BIT(2) ? '2' : ' ',
+			   erase_mask & BIT(3) ? '3' : ' ',
+			   region[i].overlaid ? "yes" : "no");
 	}
 
 	return 0;
@@ -226,13 +227,13 @@ static void spi_nor_debugfs_unregister(void *data)
 	nor->debugfs_root = NULL;
 }
 
+static struct dentry *rootdir;
+
 void spi_nor_debugfs_register(struct spi_nor *nor)
 {
-	struct dentry *rootdir, *d;
+	struct dentry *d;
 	int ret;
 
-	/* Create rootdir once. Will never be deleted again. */
-	rootdir = debugfs_lookup(SPI_NOR_DEBUGFS_ROOT, NULL);
 	if (!rootdir)
 		rootdir = debugfs_create_dir(SPI_NOR_DEBUGFS_ROOT, NULL);
 
@@ -247,3 +248,8 @@ void spi_nor_debugfs_register(struct spi_nor *nor)
 	debugfs_create_file("capabilities", 0444, d, nor,
 			    &spi_nor_capabilities_fops);
 }
+
+void spi_nor_debugfs_shutdown(void)
+{
+	debugfs_remove(rootdir);
+}