[U-Boot] [PATCH v4 02/11] mtd: Parse mtdparts/mtdids again when the MTD list has been updated

[Boris Brezillon]

Updates to the MTD device list should trigger a new parsing of the
mtdids/mtdparts vars even if those vars haven't changed.

Fixes: 5db66b3aee6f ("cmd: mtd: add 'mtd' command")
Signed-off-by: Boris Brezillon <boris.brezillon at bootlin.com>
Tested-by: Heiko Schocher <hs at denx.de>
---
Changes in v4:
- Add T-b tag

Changes in v3:
- None

Changes in v2:
- None
---
 drivers/mtd/mtd_uboot.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/mtd_uboot.c b/drivers/mtd/mtd_uboot.c
index 5ca560c96879..6a3e64395de2 100644
--- a/drivers/mtd/mtd_uboot.c
+++ b/drivers/mtd/mtd_uboot.c
@@ -161,9 +161,13 @@ int mtd_probe_devices(void)
 
 	mtd_probe_uclass_mtd_devs();
 
-	/* Check if mtdparts/mtdids changed since last call, otherwise: exit */
+	/*
+	 * Check if mtdparts/mtdids changed or if the MTD dev list was updated
+	 * since last call, otherwise: exit
+	 */
 	if ((!mtdparts && !old_mtdparts && !mtdids && !old_mtdids) ||
 	    (mtdparts && old_mtdparts && mtdids && old_mtdids &&
+	     !mtd_dev_list_updated() &&
 	     !strcmp(mtdparts, old_mtdparts) &&
 	     !strcmp(mtdids, old_mtdids)))
 		return 0;
@@ -201,6 +205,12 @@ int mtd_probe_devices(void)
 		}
 	}
 
+	/*
+	 * Call mtd_dev_list_updated() to clear updates generated by our own
+	 * parts removal loop.
+	 */
+	mtd_dev_list_updated();
+
 	/* If either mtdparts or mtdids is empty, then exit */
 	if (!mtdparts || !mtdids)
 		return 0;
@@ -281,6 +291,12 @@ int mtd_probe_devices(void)
 		put_mtd_device(mtd);
 	}
 
+	/*
+	 * Call mtd_dev_list_updated() to clear updates generated by our own
+	 * parts registration loop.
+	 */
+	mtd_dev_list_updated();
+
 	return 0;
 }
 #else
-- 
2.17.1