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| author |   Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-06-15 13:09:51 +0200 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-09-23 09:35:16 +0200 |
| commit | fde85cfd2d079bdd733d7b07d9a5775a6f70f458 (patch) | |
| tree | 71fde5151b6315542e5faa6bb4a080a7fdeed6ef /drivers/mtd | |
| parent | mtd: nand: sunxi: Support ECC maximization (diff) | |
| download | linux-dev-fde85cfd2d079bdd733d7b07d9a5775a6f70f458.tar.xz linux-dev-fde85cfd2d079bdd733d7b07d9a5775a6f70f458.zip | |
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index a74d9e4bd8b2..c06146941e16 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -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); |