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mtd: nand: Fix nand_command_lp() for 8bits opcodes 

8 bits opcodes should be followed by a single address cycle. Make the
2nd address cycle dependent of !nand_opcode_8bits(command).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Boris Brezillon 2016-06-15 13:09:51 +02:00
parent 4796d86559
commit fde85cfd2d
1 changed files with 4 additions and 1 deletions
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5
drivers/mtd/nand/nand_base.c
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@ -745,7 +745,10 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
column >>= 1;
chip->cmd_ctrl(mtd, column, ctrl);
ctrl &= ~NAND_CTRL_CHANGE;
chip->cmd_ctrl(mtd, column >> 8, ctrl);
/* Only ouput a single addr cycle for 8bits opcodes. */
if (!nand_opcode_8bits(command))
chip->cmd_ctrl(mtd, column >> 8, ctrl);
}
if (page_addr != -1) {
chip->cmd_ctrl(mtd, page_addr, ctrl);