From: JaimeLiao <jaimeliao.tw@gmail.com>
To: linux-mtd@lists.infradead.org, miquel.raynal@bootlin.com
Cc: jaimeliao@mxic.com.tw, JaimeLiao <jaimeliao.tw@gmail.com>
Subject: [PATCH v1 2/4] mtd: spinand: Add continuous read state
Date: Thu, 11 Aug 2022 17:45:34 +0800 [thread overview]
Message-ID: <20220811094536.24498-3-jaimeliao.tw@gmail.com> (raw)
In-Reply-To: <20220811094536.24498-1-jaimeliao.tw@gmail.com>
Add continuous read state and initialize state to
default false.
Signed-off-by: JaimeLiao <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 dc2e1dc1dbee..380411feab6c 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,
@@ -1261,6 +1266,9 @@ static int spinand_init(struct spinand_device *spinand)
mtd->ecc_strength = nanddev_get_ecc_conf(nand)->strength;
mtd->ecc_step_size = nanddev_get_ecc_conf(nand)->step_size;
+ /* 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 37b46c556bd7..d70a6f49cc6f 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -415,6 +415,7 @@ 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
*/
@@ -443,6 +444,7 @@ struct spinand_device {
u8 *databuf;
u8 *oobbuf;
u8 *scratchbuf;
+ bool use_continuous_read;
const struct spinand_manufacturer *manufacturer;
void *priv;
};
--
2.17.1
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next prev parent reply other threads:[~2022-08-11 9:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-11 9:45 [PATCH v1 0/4] mtd: spinand: Add continuous read mode support JaimeLiao
2022-08-11 9:45 ` [PATCH v1 1/4] mtd: spinand: Add support continuous read mode JaimeLiao
2022-08-11 9:45 ` JaimeLiao [this message]
2022-08-11 9:45 ` [PATCH v1 3/4] mtd: spinand: Add support continuous read operation JaimeLiao
2022-11-07 14:48 ` Miquel Raynal
2023-02-08 11:14 ` liao jaime
2023-02-15 8:23 ` Miquel Raynal
2022-08-11 9:45 ` [PATCH v1 4/4] mtd: spinand: macronix: Add continuous read support for MX35LF2GE4AD JaimeLiao
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