| 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 */ |