Commit 1f1ec622 authored by Boris Brezillon's avatar Boris Brezillon Committed by Miquel Raynal
Browse files

mtd: rawnand: Propage CS selection to sub operations 



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: default avatarBoris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200505101353.1776394-2-boris.brezillon@collabora.com
parent 699d3e6a

drivers/mtd/nand/raw/nand_base.c

+2 −1
Original line number Diff line number Diff line
@@ -2174,7 +2174,7 @@ static void nand_op_parser_trace(const struct nand_op_parser_ctx *ctx) 
	char *prefix = "      ";

	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++) {

		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)

{

	struct nand_op_parser_ctx ctx = {

		.subop.cs = op->cs,

		.subop.instrs = op->instrs,

		.instrs = op->instrs,

		.ninstrs = op->ninstrs,

include/linux/mtd/rawnand.h

+2 −0
Original line number Diff line number Diff line
@@ -709,6 +709,7 @@ struct nand_op_instr { 


/**

 * struct nand_subop - a sub operation

 * @cs: the CS line to select for this NAND sub-operation

 * @instrs: array of instructions

 * @ninstrs: length of the @instrs array

 * @first_instr_start_off: offset to start from for the first instruction
@@ -724,6 +725,7 @@ struct nand_op_instr { 
 * controller driver.

 */

struct nand_subop {

	unsigned int cs;

	const struct nand_op_instr *instrs;

	unsigned int ninstrs;

	unsigned int first_instr_start_off;

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