mtd/nand: docg4: fix compiler warnings
Newer gcc versions warn about unused variables. This patch corrects a few of
those warnings that popped up in a build for the palmtreo680 board.
Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
diff --git a/drivers/mtd/nand/docg4_spl.c b/drivers/mtd/nand/docg4_spl.c
index 95e856c..734cbeb 100644
--- a/drivers/mtd/nand/docg4_spl.c
+++ b/drivers/mtd/nand/docg4_spl.c
@@ -113,7 +113,6 @@
int g4_index = 0;
uint16_t flash_status;
uint16_t *buf;
- uint16_t discard, magic_high, magic_low;
/* flash_offset must be aligned to the start of a block */
if (flash_offset & 0x3ffff)
@@ -154,9 +153,9 @@
* The IPL on the palmtreo680 requires that this contain a 32 bit magic
* number, or the load aborts. We'll ignore it.
*/
- discard = readw(docptr + 0x103c); /* hw quirk; 1st read discarded */
- magic_low = readw(docptr + 0x103c);
- magic_high = readw(docptr + DOCG4_MYSTERY_REG);
+ readw(docptr + 0x103c); /* hw quirk; 1st read discarded */
+ readw(docptr + 0x103c); /* lower 16 bits of magic number */
+ readw(docptr + DOCG4_MYSTERY_REG); /* upper 16 bits of magic number */
writew(0, docptr + DOC_DATAEND);
write_nop(docptr);
write_nop(docptr);
@@ -183,15 +182,15 @@
write_nop(docptr);
/* read the 512 bytes of page data, 2 bytes at a time */
- discard = readw(docptr + 0x103c);
+ readw(docptr + 0x103c); /* hw quirk */
for (i = 0; i < 256; i++)
*buf++ = readw(docptr + 0x103c);
/* read oob, but discard it */
for (i = 0; i < 7; i++)
- discard = readw(docptr + 0x103c);
- discard = readw(docptr + DOCG4_OOB_6_7);
- discard = readw(docptr + DOCG4_OOB_6_7);
+ readw(docptr + 0x103c);
+ readw(docptr + DOCG4_OOB_6_7);
+ readw(docptr + DOCG4_OOB_6_7);
writew(0, docptr + DOC_DATAEND);
write_nop(docptr);