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From: Jaime Liao <jaimeliao.tw@gmail.com>
To: linux-mtd@lists.infradead.org, miquel.raynal@bootlin.com, richard@nod.at
Cc: jaimeliao@mxic.com.tw, jaimeliao.tw@gmail.com
Subject: [PATCH v2 2/4] mtd: spinand: Add continuous read state
Date: Thu,  9 Feb 2023 20:08:51 +0800	[thread overview]
Message-ID: <20230209120853.660564-3-jaimeliao.tw@gmail.com> (raw)
In-Reply-To: <20230209120853.660564-1-jaimeliao.tw@gmail.com>

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 --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;
 };
-- 
2.34.1


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  parent reply	other threads:[~2023-02-09 12:09 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-09 12:08 [PATCH v2 0/4] mtd: spinand: Add continuous read mode support Jaime Liao
2023-02-09 12:08 ` [PATCH v2 1/4] mtd: spinand: Add support continuous read mode Jaime Liao
2023-02-09 12:08 ` Jaime Liao [this message]
2023-02-09 12:08 ` [PATCH v2 3/4] mtd: spinand: Add support continuous read operation Jaime Liao
2023-02-15  6:51   ` Chuanhong Guo
2023-04-27  9:58     ` liao jaime
2023-02-09 12:08 ` [PATCH v2 4/4] mtd: spinand: macronix: Add continuous read support for Macronix Flash Jaime Liao
  -- strict thread matches above, loose matches on Subject: below --
2022-02-09  9:10 [PATCH v2 0/4] mtd: spinand: Add continuous read mode support Zhengxun
2022-02-09  9:10 ` [PATCH v2 2/4] mtd: spinand: Add continuous read state Zhengxun

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