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mtd: rawnand: Propage CS selection to sub operations

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Some controller using the instruction parse infrastructure might need
to know which CS a specific sub-operation is targeting. Let's propagate
this information.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200505101353.1776394-2-boris.brezillon@collabora.com
This commit is contained in:
Boris Brezillon
2020-05-05 12:13:35 +02:00
committed by Miquel Raynal
parent 699d3e6a87
commit 1f1ec62262
2 changed files with 4 additions and 1 deletions
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3
drivers/mtd/nand/raw/nand_base.c
View File

@@ -2174,7 +2174,7 @@ static void nand_op_parser_trace(const struct nand_op_parser_ctx *ctx)
char *prefix = " "; char *prefix = " ";
unsigned int i; unsigned int i;
pr_debug("executing subop:\n"); pr_debug("executing subop (CS%d):\n", ctx->subop.cs);
for (i = 0; i < ctx->ninstrs; i++) { for (i = 0; i < ctx->ninstrs; i++) {
instr = &ctx->instrs[i]; instr = &ctx->instrs[i];
@@ -2238,6 +2238,7 @@ int nand_op_parser_exec_op(struct nand_chip *chip,
const struct nand_operation *op, bool check_only) const struct nand_operation *op, bool check_only)
{ {
struct nand_op_parser_ctx ctx = { struct nand_op_parser_ctx ctx = {
.subop.cs = op->cs,
.subop.instrs = op->instrs, .subop.instrs = op->instrs,
.instrs = op->instrs, .instrs = op->instrs,
.ninstrs = op->ninstrs, .ninstrs = op->ninstrs,

2
include/linux/mtd/rawnand.h
View File

@@ -709,6 +709,7 @@ struct nand_op_instr {
/** /**
* struct nand_subop - a sub operation * struct nand_subop - a sub operation
* @cs: the CS line to select for this NAND sub-operation
* @instrs: array of instructions * @instrs: array of instructions
* @ninstrs: length of the @instrs array * @ninstrs: length of the @instrs array
* @first_instr_start_off: offset to start from for the first instruction * @first_instr_start_off: offset to start from for the first instruction
@@ -724,6 +725,7 @@ struct nand_op_instr {
* controller driver. * controller driver.
*/ */
struct nand_subop { struct nand_subop {
unsigned int cs;
const struct nand_op_instr *instrs; const struct nand_op_instr *instrs;
unsigned int ninstrs; unsigned int ninstrs;
unsigned int first_instr_start_off; unsigned int first_instr_start_off;