diff mbox series

[v2,2/4] mtd: spinand: Add continuous read state

Message ID 20230209120853.660564-3-jaimeliao.tw@gmail.com
State New
Delegated to: Miquel Raynal
Headers show
Series mtd: spinand: Add continuous read mode support | expand

Commit Message

liao jaime Feb. 9, 2023, 12:08 p.m. UTC 
Add continuous read state and initialize state to
default false.

Signed-off-by: Jaime Liao <jaimeliao.tw@gmail.com>
---
 drivers/mtd/nand/spi/core.c | 8 ++++++++
 include/linux/mtd/spinand.h | 2 ++
 2 files changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index c13374933372..aa57d5b0a3dc 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -193,6 +193,11 @@  static int spinand_init_quad_enable(struct spinand_device *spinand)
 			       enable ? CFG_QUAD_ENABLE : 0);
 }
 
+static void spinand_init_continuous_read(struct spinand_device *spinand)
+{
+	spinand->use_continuous_read = false;
+}
+
 static int spinand_continuous_read_enable(struct spinand_device *spinand)
 {
 	return spinand_upd_cfg(spinand, CFG_CONT_READ_ENABLE,
@@ -1304,6 +1309,9 @@  static int spinand_init(struct spinand_device *spinand)
 		goto err_cleanup_ecc_engine;
 	}
 
+	/* Init continuous read */
+	spinand_init_continuous_read(spinand);
+
 	return 0;
 
 err_cleanup_ecc_engine:
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index e98d770173dc..f598a0c5a376 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -419,6 +419,7 @@  struct spinand_dirmap {
  *		because the spi-mem interface explicitly requests that buffers
  *		passed in spi_mem_op be DMA-able, so we can't based the bufs on
  *		the stack
+ * @use_continuous_read: record the continuous read status
  * @manufacturer: SPI NAND manufacturer information
  * @priv: manufacturer private data
  */
@@ -447,6 +448,7 @@  struct spinand_device {
 	u8 *databuf;
 	u8 *oobbuf;
 	u8 *scratchbuf;
+	bool use_continuous_read;
 	const struct spinand_manufacturer *manufacturer;
 	void *priv;
 };