mtd: nand: use more reasonable integer types

Use 'unsigned int' instead of 'unsigned long' in the NAND chip description data
structure, because 32-bits is more than enough for our purposes. We do not need
64-bits, which is what we end up on 64-bit architectures. We declare many
instances of this data structure, so this should help saving some amount of
memory.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 9a1b74c..d5903c0 100644 (file)
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -582,8 +582,8 @@ struct nand_chip {
  * @pagesize: size of the NAND page in bytes; if 0, then the real page size (as
  *            well as the eraseblock size) is determined from the extended NAND
  *            chip ID array)
- * @erasesize: eraseblock size in bytes (determined from the extended ID if 0)
  * @chipsize: total chip size in MiB
+ * @erasesize: eraseblock size in bytes (determined from the extended ID if 0)
  * @options: stores various chip bit options
  */
 struct nand_flash_dev {
@@ -595,10 +595,10 @@ struct nand_flash_dev {
                };
                uint8_t id[8];
        };
-       unsigned long pagesize;
-       unsigned long chipsize;
-       unsigned long erasesize;
-       unsigned long options;
+       unsigned int pagesize;
+       unsigned int chipsize;
+       unsigned int erasesize;
+       unsigned int options;
 };
 
 /**