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mtd_progmem.c: Fix calculation of block size

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This commit is contained in:
Gregory Nutt 2015-11-13 09:19:25 -06:00
parent fdb17620a0
commit 2706b4f8aa
3 changed files with 13 additions and 4 deletions
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2
arch

@ -1 +1 @@
Subproject commit 8d559bd23293adb14d68d7d6111ecbab40986a5a
Subproject commit 24f87df3fa8d9fec9044e2c2bb37d12260fd02de

2
configs

@ -1 +1 @@
Subproject commit 028253362897e3ca895cf772dc817423842e8915
Subproject commit 2a4b5e665ac98b72920739eb12144462ca38e675

13
drivers/mtd/mtd_progmem.c
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@ -374,14 +374,23 @@ FAR struct mtd_dev_s *progmem_initialize(void)
if (!g_progmem.initialized)
{
size_t nblocks = up_progmem_npages();
blkshift = progmem_log2(nblocks);
/* Get the size of one block. Here we assume that the block size is
* uniform and that the size of block0 is the same as the size of any
* other block.
*/
size_t blocksize = up_progmem_pagesize(0);
/* Calculate Log2 of the flash block size */
blkshift = progmem_log2(blocksize);
if (blkshift < 0)
{
return NULL;
}
/* Save the configuration data */
g_progmem.blkshift = blkshift;
g_progmem.initialized = true;
}