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mtd/nand: docg4: fix compiler warnings

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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>
This commit is contained in:
Mike Dunn 2013-06-26 12:33:53 -07:00 committed by Scott Wood
parent a67cc37e69
commit 8b6b51a617
1 changed files with 7 additions and 8 deletions
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15
drivers/mtd/nand/docg4_spl.c
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@ -113,7 +113,6 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr)
int g4_index = 0; int g4_index = 0;
uint16_t flash_status; uint16_t flash_status;
uint16_t *buf; uint16_t *buf;
uint16_t discard, magic_high, magic_low;
/* flash_offset must be aligned to the start of a block */ /* flash_offset must be aligned to the start of a block */
if (flash_offset & 0x3ffff) if (flash_offset & 0x3ffff)
@ -154,9 +153,9 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr)
* The IPL on the palmtreo680 requires that this contain a 32 bit magic * The IPL on the palmtreo680 requires that this contain a 32 bit magic
* number, or the load aborts. We'll ignore it. * number, or the load aborts. We'll ignore it.
*/ */
discard = readw(docptr + 0x103c); /* hw quirk; 1st read discarded */ readw(docptr + 0x103c); /* hw quirk; 1st read discarded */
magic_low = readw(docptr + 0x103c); readw(docptr + 0x103c); /* lower 16 bits of magic number */
magic_high = readw(docptr + DOCG4_MYSTERY_REG); readw(docptr + DOCG4_MYSTERY_REG); /* upper 16 bits of magic number */
writew(0, docptr + DOC_DATAEND); writew(0, docptr + DOC_DATAEND);
write_nop(docptr); write_nop(docptr);
write_nop(docptr); write_nop(docptr);
@ -183,15 +182,15 @@ static int docg4_load_block_reliable(uint32_t flash_offset, void *dest_addr)
write_nop(docptr); write_nop(docptr);
/* read the 512 bytes of page data, 2 bytes at a time */ /* 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++) for (i = 0; i < 256; i++)
*buf++ = readw(docptr + 0x103c); *buf++ = readw(docptr + 0x103c);
/* read oob, but discard it */ /* read oob, but discard it */
for (i = 0; i < 7; i++) for (i = 0; i < 7; i++)
discard = readw(docptr + 0x103c); readw(docptr + 0x103c);
discard = readw(docptr + DOCG4_OOB_6_7); readw(docptr + DOCG4_OOB_6_7);
discard = readw(docptr + DOCG4_OOB_6_7); readw(docptr + DOCG4_OOB_6_7);
writew(0, docptr + DOC_DATAEND); writew(0, docptr + DOC_DATAEND);
write_nop(docptr); write_nop(docptr);