mtd: bcm47xxpart: add support for other erase sizes

To make the partitions writable they should aligned to erase sizes of the flash. If the erase size is small use 0x10000. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

mtd: bcm47xxpart: add support for other erase sizes
To make the partitions writable they should aligned to erase sizes of the flash. If the erase size is small use 0x10000. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Hauke Mehrtens · Artem Bityutskiy
1 parent a7bf6543e8
Showing 1 changed file with 4 additions and 1 deletions Side-by-side Diff
drivers/mtd/bcm47xxpart.c
@@ -59,10 +59,13 @@
 	uint32_t *buf;
 	size_t bytes_read;
 	uint32_t offset;
-	uint32_t blocksize = 0x10000;
+	uint32_t blocksize = master->erasesize;
 	struct trx_header *trx;
 	int trx_part = -1;
 	int last_trx_part = -1;
+
+	if (blocksize <= 0x10000)
+		blocksize = 0x10000;
  
 	/* Alloc */
 	parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS,
...	...	@@ -59,10 +59,13 @@
59	59	uint32_t *buf;
60	60	size_t bytes_read;
61	61	uint32_t offset;
62		- uint32_t blocksize = 0x10000;
	62	+ uint32_t blocksize = master->erasesize;
63	63	struct trx_header *trx;
64	64	int trx_part = -1;
65	65	int last_trx_part = -1;
	66	+
	67	+ if (blocksize <= 0x10000)
	68	+ blocksize = 0x10000;
66	69
67	70	/* Alloc */
68	71	parts = kzalloc(sizeof(struct mtd_partition) * BCM47XXPART_MAX_PARTS,