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atheros: fix a spiflash write performance regression 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15027 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2009-03-24 23:41:29 +00:00
parent a0b63920f3
commit 35cc26545e
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
+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) &
+ SPI_STATUS_WIP, 20);
+ SPI_STATUS_WIP, timeout);
+ spiflash_done(priv);
+}
+
@ -321,7 +321,7 @@
+ reg |= op->tx_cnt | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+
+ spiflash_wait_complete(priv);
+ spiflash_wait_complete(priv, 20);
+
+ instr->state = MTD_ERASE_DONE;
+ if (instr->callback)
@ -418,7 +418,7 @@
+ reg |= (read_len + 4) | SPI_CTL_START;
+ spiflash_write_reg(priv, SPI_FLASH_CTL, reg);
+
+ spiflash_wait_complete(priv);
+ spiflash_wait_complete(priv, 1);
+
+ bytes_left -= read_len;
+ to += read_len;