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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-31 02:06:38 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-31 02:06:38 +0300 |
| commit | 1ac731c529cd4d6adbce134754b51ff7d822b145 (patch) | |
| tree | 143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/mtd/nand/raw/nandsim.c | |
| parent | 07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff) | |
| parent | 54116d442e001e1b6bd482122043b1870998a1f3 (diff) | |
| download | linux-1ac731c529cd4d6adbce134754b51ff7d822b145.tar.xz | |
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/mtd/nand/raw/nandsim.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nandsim.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index c21abf748948..179b28459b4b 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -2160,8 +2160,23 @@ static int ns_exec_op(struct nand_chip *chip, const struct nand_operation *op, const struct nand_op_instr *instr = NULL; struct nandsim *ns = nand_get_controller_data(chip); - if (check_only) + if (check_only) { + /* The current implementation of nandsim needs to know the + * ongoing operation when performing the address cycles. This + * means it cannot make the difference between a regular read + * and a continuous read. Hence, this hack to manually refuse + * supporting sequential cached operations. + */ + for (op_id = 0; op_id < op->ninstrs; op_id++) { + instr = &op->instrs[op_id]; + if (instr->type == NAND_OP_CMD_INSTR && + (instr->ctx.cmd.opcode == NAND_CMD_READCACHEEND || + instr->ctx.cmd.opcode == NAND_CMD_READCACHESEQ)) + return -EOPNOTSUPP; + } + return 0; + } ns->lines.ce = 1; |