Merge branch '2021-09-28-regression-fixes'

- Reintroduce creating internally the "nor%d" style names, in order to
  fix some use U-Boot use-cases involving the "mtd" command.
- Fix a regression over the default SPI bus mode shown by having the
  compiled default actually start being used.  The correct default here
  is 0.
- Fix ethernet on imx7d-sdb
- Fix a regression with MTD NAND devices when OF_LIVE is enabled

5 files changed, 19 insertions, 5 deletions

diff --git a/include/dm/device.h b/include/dm/device.h
index 0a9718a5b81..9d0ca6a550e 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -207,8 +207,9 @@ struct udevice_rt {
 	u32 flags_;
 };
 
-/* Maximum sequence number supported */
+/* Maximum sequence number supported and associated string length */
 #define DM_MAX_SEQ	999
+#define DM_MAX_SEQ_STR	3
 
 /* Returns the operations for a device */
 #define device_get_ops(dev)	(dev->driver->ops)
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 66febc6b721..2fba9dc317e 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -891,7 +891,7 @@ struct nand_chip {
 	void __iomem *IO_ADDR_R;
 	void __iomem *IO_ADDR_W;
 
-	int flash_node;
+	ofnode flash_node;
 
 	uint8_t (*read_byte)(struct mtd_info *mtd);
 	u16 (*read_word)(struct mtd_info *mtd);
@@ -973,12 +973,12 @@ struct nand_chip {
 static inline void nand_set_flash_node(struct nand_chip *chip,
 				       ofnode node)
 {
-	chip->flash_node = ofnode_to_offset(node);
+	chip->flash_node = node;
 }
 
 static inline ofnode nand_get_flash_node(struct nand_chip *chip)
 {
-	return offset_to_ofnode(chip->flash_node);
+	return chip->flash_node;
 }
 
 static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 7ddc4ba2bf2..4ceeae623de 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -7,6 +7,7 @@
 #ifndef __LINUX_MTD_SPI_NOR_H
 #define __LINUX_MTD_SPI_NOR_H
 
+#include <mtd.h>
 #include <linux/bitops.h>
 #include <linux/mtd/cfi.h>
 #include <linux/mtd/mtd.h>
@@ -561,6 +562,7 @@ struct spi_nor {
 	int (*ready)(struct spi_nor *nor);
 
 	void *priv;
+	char mtd_name[MTD_NAME_SIZE(MTD_DEV_TYPE_NOR)];
 /* Compatibility for spi_flash, remove once sf layer is merged with mtd */
 	const char *name;
 	u32 size;
diff --git a/include/mtd.h b/include/mtd.h
index b569331edb0..f9e5082446a 100644
--- a/include/mtd.h
+++ b/include/mtd.h
@@ -6,10 +6,15 @@
 #ifndef _MTD_H_
 #define _MTD_H_
 
+#include <dm/device.h>
+#include <jffs2/load_kernel.h>
 #include <linux/mtd/mtd.h>
 
 int mtd_probe_devices(void);
 
 void board_mtdparts_default(const char **mtdids, const char **mtdparts);
 
+/* compute the max size for the string associated to a dev type */
+#define MTD_NAME_SIZE(type) (sizeof(MTD_DEV_TYPE(type)) +  DM_MAX_SEQ_STR)
+
 #endif	/* _MTD_H_ */
diff --git a/include/mtd/cfi_flash.h b/include/mtd/cfi_flash.h
index 4963c89642f..a1af6fc200f 100644
--- a/include/mtd/cfi_flash.h
+++ b/include/mtd/cfi_flash.h
@@ -157,11 +157,17 @@ struct cfi_pri_hdr {
  * Use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined
  */
 #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
-#define CONFIG_SYS_MAX_FLASH_BANKS	(cfi_flash_num_flash_banks)
 #define CFI_MAX_FLASH_BANKS	CONFIG_SYS_MAX_FLASH_BANKS_DETECT
+/* map to cfi_flash_num_flash_banks only when supported */
+#if IS_ENABLED(CONFIG_FLASH_CFI_DRIVER) && \
+    (!IS_ENABLED(CONFIG_SPL_BUILD) || IS_ENABLED(CONFIG_SPL_MTD_SUPPORT))
+#define CONFIG_SYS_MAX_FLASH_BANKS	(cfi_flash_num_flash_banks)
 /* board code can update this variable before CFI detection */
 extern int cfi_flash_num_flash_banks;
 #else
+#define CONFIG_SYS_MAX_FLASH_BANKS	CONFIG_SYS_MAX_FLASH_BANKS_DETECT
+#endif
+#else
 #define CFI_MAX_FLASH_BANKS	CONFIG_SYS_MAX_FLASH_BANKS
 #endif