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atheros: fix a spiflash write performance regression

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SVN-Revision: 15027
This commit is contained in:
Felix Fietkau 2009-03-24 23:41:29 +00:00
parent 0121ec0e10
commit 28b9fea4e7
1 changed files with 4 additions and 4 deletions
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8
target/linux/atheros/patches-2.6.28/120-spiflash.patch
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@ -288,10 +288,10 @@
+} +}
+ +
+static void +static void
+spiflash_wait_complete(struct spiflash_priv *priv) +spiflash_wait_complete(struct spiflash_priv *priv, unsigned int timeout)
+{ +{
+ busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) & + busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) &
+ SPI_STATUS_WIP, 20); + SPI_STATUS_WIP, timeout);
+ spiflash_done(priv); + spiflash_done(priv);
+} +}
+ +
@ -321,7 +321,7 @@
+ reg |= op->tx_cnt | SPI_CTL_START; + reg |= op->tx_cnt | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg); + spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+ +
+ spiflash_wait_complete(priv); + spiflash_wait_complete(priv, 20);
+ +
+ instr->state = MTD_ERASE_DONE; + instr->state = MTD_ERASE_DONE;
+ if (instr->callback) + if (instr->callback)
@ -418,7 +418,7 @@
+ reg |= (read_len + 4) | SPI_CTL_START; + reg |= (read_len + 4) | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg); + spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+ +
+ spiflash_wait_complete(priv); + spiflash_wait_complete(priv, 1);
+ +
+ bytes_left -= read_len; + bytes_left -= read_len;
+ to += read_len; + to += read_len;