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hw/i2c/aspeed: Fix TXBUF transmission start position error
According to the ast2600 datasheet and the linux aspeed i2c driver, the TXBUF transmission start position should be TXBUF[0] instead of TXBUF[1],so the arg pool_start is useless,and the address is not included in TXBUF.So even if Tx Count equals zero,there is at least 1 byte data needs to be transmitted,and M_TX_CMD should not be cleared at this condition.The driver url is: https://github.com/AspeedTech-BMC/linux/blob/aspeed-master-v5.15/drivers/i2c/busses/i2c-ast2600.c Signed-off-by: Hang Yu <francis_yuu@stu.pku.edu.cn> Fixes: 6054fc7 ("aspeed/i2c: Add support for pool buffer transfers") Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> (cherry picked from commit 961faf3) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Hang Yu
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Michael Tokarev
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Sep 21, 2023
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