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Correct an addressing error in the LPC32 SPIFI MTD driver

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4997 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-08-02 01:45:56 +00:00
parent 39f2ca6c1f
commit ae4142fe7b
1 changed files with 7 additions and 7 deletions
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arch/arm/src/lpc43xx/lpc43_spifi.c
+7 -7
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@@ -515,7 +515,7 @@ static void lpc43_cacheflush(struct lpc43_dev_s *priv)
{ {
/* Get the SPIFI address corresponding to the cached erase block */ /* Get the SPIFI address corresponding to the cached erase block */
dest = SPIFI_BASE + (priv->blkno << SPIFI_BLKSHIFT); dest = SPIFI_BASE + ((off_t)priv->blkno << SPIFI_BLKSHIFT);
/* Write entire erase block to FLASH */ /* Write entire erase block to FLASH */
@@ -554,24 +554,24 @@ static FAR uint8_t *lpc43_cacheread(struct lpc43_dev_s *priv, off_t sector)
/* Check if the requested erase block is already in the cache */ /* Check if the requested erase block is already in the cache */
if (!IS_VALID(priv) || blkno != priv->blkno) if (!IS_VALID(priv) || blkno != (off_t)priv->blkno)
{ {
/* No.. Flush any dirty erase block currently in the cache */ /* No.. Flush any dirty erase block currently in the cache */
lpc43_cacheflush(priv); lpc43_cacheflush(priv);
/* Read the erase block into the cache */ /* Read the new erase block into the cache */
/* Get the SPIFI address corresponding to the cached erase block */ /* Get the SPIFI address corresponding to the new erase block */
src = SPIFI_BASE + (priv->blkno << SPIFI_BLKSHIFT); src = SPIFI_BASE + ((off_t)blkno << SPIFI_BLKSHIFT);
/* Write entire erase block to FLASH */ /* Read the entire erase block from FLASH */
lpc43_pageread(priv, priv->cache, src, SPIFI_BLKSIZE); lpc43_pageread(priv, priv->cache, src, SPIFI_BLKSIZE);
/* Mark the sector as cached */ /* Mark the sector as cached */
priv->blkno = blkno; priv->blkno = (uint16_t)blkno;
SET_VALID(priv); /* The data in the cache is valid */ SET_VALID(priv); /* The data in the cache is valid */
CLR_DIRTY(priv); /* It should match the FLASH contents */ CLR_DIRTY(priv); /* It should match the FLASH contents */