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| author | Mike Hench <mhench@engagenet.com> | 2008-03-19 12:40:15 -0500 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-04-22 20:52:09 +0100 |
| commit | 1938de46cb7e108120ffbf5155678a2a5e05b377 (patch) | |
| tree | 6b61e7b2bf6f40b6a4d412720035fa462005e4d0 /drivers/mtd | |
| parent | 9ebed3e60f9991e980e6c38b0edbdf9c8ff2ff6d (diff) | |
| download | linux-stable-1938de46cb7e108120ffbf5155678a2a5e05b377.tar.gz linux-stable-1938de46cb7e108120ffbf5155678a2a5e05b377.tar.bz2 linux-stable-1938de46cb7e108120ffbf5155678a2a5e05b377.zip | |
[MTD] [NAND] corrected MPC8313 NAND fixes
Fix a race condition in fsl_elbc_run_command
Fix incorrect usage of clearbits32 that bashed option register
Remove work around for bashed register
Signed-off-by: Mike Hench <mhench@elutions.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/fsl_elbc_nand.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index cb12b67ce5ef..919c192b8f27 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -184,11 +184,11 @@ static int fsl_elbc_run_command(struct mtd_info *mtd) in_be32(&lbc->fbar), in_be32(&lbc->fpar), in_be32(&lbc->fbcr), priv->bank); + ctrl->irq_status = 0; /* execute special operation */ out_be32(&lbc->lsor, priv->bank); /* wait for FCM complete flag or timeout */ - ctrl->irq_status = 0; wait_event_timeout(ctrl->irq_wait, ctrl->irq_status, FCM_TIMEOUT_MSECS * HZ/1000); ctrl->status = ctrl->irq_status; @@ -667,7 +667,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) /* adjust Option Register and ECC to match Flash page size */ if (mtd->writesize == 512) { priv->page_size = 0; - clrbits32(&lbc->bank[priv->bank].or, ~OR_FCM_PGS); + clrbits32(&lbc->bank[priv->bank].or, OR_FCM_PGS); } else if (mtd->writesize == 2048) { priv->page_size = 1; setbits32(&lbc->bank[priv->bank].or, OR_FCM_PGS); @@ -688,11 +688,6 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) return -1; } - /* The default u-boot configuration on MPC8313ERDB causes errors; - * more delay is needed. This should be safe for other boards - * as well. - */ - setbits32(&lbc->bank[priv->bank].or, 0x70); return 0; } |