[PATCH v3 07/17] mtd: spinand: Switch from op macros usage to 'ctrl_ops' in the core

From: Apurva Nandan
Date: Sat Jan 01 2022 - 02:44:22 EST


Make use of the ctrl_ops struct, to introduce the usage of templates
in non-page read/write operations as well. These templates are
initialized at the probe time or at SPI modes switches.

Signed-off-by: Apurva Nandan <a-nandan@xxxxxx>
---
drivers/mtd/nand/spi/core.c | 36 ++++++++++++++++++++++++------------
1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 4a75eb06bb52..30e90527ee3c 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -22,9 +22,11 @@

static int spinand_read_reg_op(struct spinand_device *spinand, u8 reg, u8 *val)
{
- struct spi_mem_op op = SPINAND_GET_FEATURE_OP(reg,
- spinand->scratchbuf);
int ret;
+ struct spi_mem_op op = spinand->ctrl_ops->ops.get_feature;
+
+ op.data.buf.out = spinand->scratchbuf;
+ memset(&op.addr.val, reg, op.addr.nbytes);

ret = spi_mem_exec_op(spinand->spimem, &op);
if (ret)
@@ -36,10 +38,12 @@ static int spinand_read_reg_op(struct spinand_device *spinand, u8 reg, u8 *val)

static int spinand_write_reg_op(struct spinand_device *spinand, u8 reg, u8 val)
{
- struct spi_mem_op op = SPINAND_SET_FEATURE_OP(reg,
- spinand->scratchbuf);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.set_feature;
+
+ op.data.buf.out = spinand->scratchbuf;
+ memset(&op.addr.val, reg, op.addr.nbytes);
+ memset(spinand->scratchbuf, val, op.data.nbytes);

- *spinand->scratchbuf = val;
return spi_mem_exec_op(spinand->spimem, &op);
}

@@ -341,7 +345,7 @@ static void spinand_ondie_ecc_save_status(struct nand_device *nand, u8 status)

static int spinand_write_enable_op(struct spinand_device *spinand)
{
- struct spi_mem_op op = SPINAND_WR_EN_DIS_OP(true);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.write_enable;

return spi_mem_exec_op(spinand->spimem, &op);
}
@@ -351,7 +355,9 @@ static int spinand_load_page_op(struct spinand_device *spinand,
{
struct nand_device *nand = spinand_to_nand(spinand);
unsigned int row = nanddev_pos_to_row(nand, &req->pos);
- struct spi_mem_op op = SPINAND_PAGE_READ_OP(row);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.page_read;
+
+ op.addr.val = row;

return spi_mem_exec_op(spinand->spimem, &op);
}
@@ -475,7 +481,9 @@ static int spinand_program_op(struct spinand_device *spinand,
{
struct nand_device *nand = spinand_to_nand(spinand);
unsigned int row = nanddev_pos_to_row(nand, &req->pos);
- struct spi_mem_op op = SPINAND_PROG_EXEC_OP(row);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.program_execute;
+
+ op.addr.val = row;

return spi_mem_exec_op(spinand->spimem, &op);
}
@@ -485,7 +493,9 @@ static int spinand_erase_op(struct spinand_device *spinand,
{
struct nand_device *nand = spinand_to_nand(spinand);
unsigned int row = nanddev_pos_to_row(nand, pos);
- struct spi_mem_op op = SPINAND_BLK_ERASE_OP(row);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.block_erase;
+
+ op.addr.val = row;

return spi_mem_exec_op(spinand->spimem, &op);
}
@@ -495,11 +505,13 @@ static int spinand_wait(struct spinand_device *spinand,
unsigned long poll_delay_us,
u8 *s)
{
- struct spi_mem_op op = SPINAND_GET_FEATURE_OP(REG_STATUS,
- spinand->scratchbuf);
+ struct spi_mem_op op = spinand->ctrl_ops->ops.get_feature;
u8 status;
int ret;

+ op.data.buf.out = spinand->scratchbuf;
+ memset(&op.addr.val, REG_STATUS, op.addr.nbytes);
+
ret = spi_mem_poll_status(spinand->spimem, &op, STATUS_BUSY, 0,
initial_delay_us,
poll_delay_us,
@@ -542,7 +554,7 @@ static int spinand_read_id_op(struct spinand_device *spinand, u8 naddr,

static int spinand_reset_op(struct spinand_device *spinand)
{
- struct spi_mem_op op = SPINAND_RESET_OP;
+ struct spi_mem_op op = spinand->ctrl_ops->ops.reset;
int ret;

ret = spi_mem_exec_op(spinand->spimem, &op);
--
2.25.1