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| author | Jens Gehrlein <sew_s@tqs.de> | 2008-12-16 17:25:54 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2009-01-26 10:49:59 +0100 |
| commit | a7292871a79cc48d98e3a708dd3c3b81580db6ef (patch) | |
| tree | ee61828505b0d7f7d94efb1b041ded89945fc14a /drivers/mtd | |
| parent | 8f86a3636ef88427f880610638e80991adc41896 (diff) | |
| download | u-boot-imx-a7292871a79cc48d98e3a708dd3c3b81580db6ef.zip u-boot-imx-a7292871a79cc48d98e3a708dd3c3b81580db6ef.tar.gz u-boot-imx-a7292871a79cc48d98e3a708dd3c3b81580db6ef.tar.bz2 | |
CFI: avoid redundant function call in single word programming mode
The function find_sector() doesn't need to be called twice in
the case of AMD command set.
Tested on TQM5200S-BD with Samsung K8P2815UQB.
Signed-off-by: Jens Gehrlein <sew_s@tqs.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index e8afe99..1bd0e2b 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -795,7 +795,8 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest, { void *dstaddr; int flag; - flash_sect_t sect; + flash_sect_t sect = 0; + char sect_found = 0; dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE); @@ -840,6 +841,7 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest, sect = find_sector(info, dest); flash_unlock_seq (info, sect); flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_WRITE); + sect_found = 1; break; } @@ -864,8 +866,10 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest, unmap_physmem(dstaddr, info->portwidth); - return flash_full_status_check (info, find_sector (info, dest), - info->write_tout, "write"); + if (!sect_found) + sect = find_sector (info, dest); + + return flash_full_status_check (info, sect, info->write_tout, "write"); } #ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE |