[PATCH] fix for mtd partitions for erase_size != 2^X

Peter Menzebach
2005-09-23T18:00:32Z

Here a trivial patch,
which allows correct creation of mtd partitions, which have erase sizes
which are not a power of 2.

Best regards
Peter

Sorry, I didn't succeed to get the patch accepted by the mailing list as
attachment.

--
Peter Menzebach
Menzebach und Wolff IT-Consulting GbR
Phone +49 751 355 387 1

--- drivers/mtd/mtdpart.c.orig 2005-09-23 09:28:07.000000000 +0200
+++ drivers/mtd/mtdpart.c 2005-09-23 09:29:37.000000000 +0200
@@ -465,9 +465,9 @@
if (slave->offset == MTDPART_OFS_APPEND)
slave->offset = cur_offset;
if (slave->offset == MTDPART_OFS_NXTBLK) {
- u_int32_t emask = master->erasesize-1;
- slave->offset = (cur_offset + emask) & ~emask;
- if (slave->offset != cur_offset) {
+ slave->offset = cur_offset;
+ if ((cur_offset % master->erasesize) != 0) {
+ slave->offset = ((cur_offset / master->erasesize) + 1) *
master->erasesize;
printk(KERN_NOTICE "Moving partition %d: "
"0x%08x -> 0x%08x\n", i,
cur_offset, slave->offset);