mtd-utils: flashcp: handle non-power-of-2 erase size (E.G. for dataflash)

diff --git a/package/mtd/mtd-utils/mtd-utils-1.1.0-all-flashcp-npow2-erase.patch b/package/mtd/mtd-utils/mtd-utils-1.1.0-all-flashcp-npow2-erase.patch
new file mode 100644 (file)
index 0000000..b9a0a60
--- /dev/null
+++ b/package/mtd/mtd-utils/mtd-utils-1.1.0-all-flashcp-npow2-erase.patch
@@ -0,0 +1,23 @@
+flashcp: handle non-power-of-2 erase size (E.G. for dataflash)
+
+Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
+---
+ flashcp.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+Index: mtd-utils-1.1.0/flashcp.c
+===================================================================
+--- mtd-utils-1.1.0.orig/flashcp.c     2007-08-03 15:55:51.000000000 +0200
++++ mtd-utils-1.1.0/flashcp.c  2009-02-17 14:02:09.000000000 +0100
+@@ -255,8 +255,9 @@
+ #warning "Check for smaller erase regions"
+ 
+       erase.start = 0;
+-      erase.length = filestat.st_size & ~(mtd.erasesize - 1);
+-      if (filestat.st_size % mtd.erasesize) erase.length += mtd.erasesize;
++      erase.length = (filestat.st_size + mtd.erasesize - 1) / mtd.erasesize;
++      erase.length *= mtd.erasesize;
++
+       if (flags & FLAG_VERBOSE)
+       {
+               /* if the user wants verbose output, erase 1 block at a time and show him/her what's going on */