nuttx: switch to flash_area_get_sector

Function flash_area_sector_from_off is replaced with newly used
flash_area_get_sector to cope with calls in bootutil_misc.c file.

This is required for CONFIG_MCUBOOT_SWAP_USING_MOVE to work correctly.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>

boot/nuttx/include/flash_map_backend/flash_map_backend.h

@@ -107,12 +107,13 @@ static inline uint8_t flash_area_get_device_id(const struct flash_area *fa)
 }
 
 /****************************************************************************
- * Name: flash_area_sector_from_off
+ * Name: flash_area_get_sector
  *
  * Description:
  * Retrieve the flash sector a given offset belongs to.
  *
  * Input Parameters:
+ * fap - flash area structure
  * off - address offset.
  * sector - flash sector
  *
@@ -121,7 +122,8 @@ static inline uint8_t flash_area_get_device_id(const struct flash_area *fa)
  *
  ****************************************************************************/
 
-int flash_area_sector_from_off(off_t off, struct flash_sector *fs);
+int flash_area_get_sector(const struct flash_area *fap, off_t off,
+ struct flash_sector *fs);
 
 /****************************************************************************
  * Name: flash_area_get_off

boot/nuttx/src/flash_map_backend/flash_map_backend.c

@@ -812,12 +812,13 @@ int flash_area_id_from_image_offset(uint32_t offset)
 }
 
 /****************************************************************************
- * Name: flash_area_sector_from_off
+ * Name: flash_area_get_sector
  *
  * Description:
  * Retrieve the flash sector a given offset belongs to.
  *
  * Input Parameters:
+ * fap - flash area structure
  * off - address offset.
  * sector - flash sector
  *
@@ -826,15 +827,17 @@ int flash_area_id_from_image_offset(uint32_t offset)
  *
  ****************************************************************************/
 
-int flash_area_sector_from_off(off_t off, struct flash_sector *fs)
+int flash_area_get_sector(const struct flash_area *fap, off_t off,
+ struct flash_sector *fs)
 {
- struct flash_device_s *dev = lookup_flash_device_by_offset(off);
+ off_t offset = fap->fa_off + off;
+ struct flash_device_s *dev = lookup_flash_device_by_offset(offset);
  if (dev == NULL)
- {
- return -errno;
- }
+  {
+  return -errno;
+  }
 
- fs->fs_off = (off / dev->mtdgeo.erasesize) * dev->mtdgeo.erasesize;
+ fs->fs_off = (offset / dev->mtdgeo.erasesize) * dev->mtdgeo.erasesize;
  fs->fs_size = dev->mtdgeo.erasesize;
 
  return 0;