Commit 6792b7fc authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Miquel Raynal
Browse files

mtd: physmap-core: Restore map_rom fallback 



When the exact mapping type driver was not available, the old
physmap_of_core driver fell back to mapping the region as ROM.
Unfortunately this feature was lost when the DT and pdata cases were
merged.  Revive this useful feature.

Fixes: 642b1e8d ("mtd: maps: Merge physmap_of.c into physmap-core.c")
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/550e8c8c1da4c4baeb3d71ff79b14a18d4194f9e.1693407371.git.geert+renesas@glider.be
parent 3e01d525

drivers/mtd/maps/physmap-core.c

+11 −0
Original line number Diff line number Diff line
@@ -551,6 +551,17 @@ static int physmap_flash_probe(struct platform_device *dev) 
		if (info->probe_type) {

			info->mtds[i] = do_map_probe(info->probe_type,

						     &info->maps[i]);



			/* Fall back to mapping region as ROM */

			if (!info->mtds[i] && IS_ENABLED(CONFIG_MTD_ROM) &&

			    strcmp(info->probe_type, "map_rom")) {

				dev_warn(&dev->dev,

					 "map_probe() failed for type %s\n",

					 info->probe_type);



				info->mtds[i] = do_map_probe("map_rom",

							     &info->maps[i]);

			}

		} else {

			int j;