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>

diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index 3411bc2a1482f350c9abadab43e721db4d98b307..986ab6ef3181f287043891590af475ecfb5fac60 100644 (file)
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -59,11 +59,14 @@ static int bcm47xxpart_parse(struct mtd_info *master,
        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,
                        GFP_KERNEL);