Thread (1 message) 1 message, 1 author, 2014-04-28

[PATCH v2 08/10] mtd: spi-nor: add more read transfer flags for n25q256a

DORMANTno replies

From: Huang Shijie <hidden>
Date: 2014-04-28 03:53:45
Also in: linux-devicetree, linux-spi
Subsystem: memory technology devices (mtd), spi nor subsystem, the rest · Maintainers: Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Pratyush Yadav, Michael Walle, Linus Torvalds

The NOR flash can supports dual/quad/ddr-quad read.
Add more flags for these read transfers.
From the datasheet, the chip support the 64K sector erase operation.
So remove the SECT_4K for the chip which makes the flash_erase faster.

Signed-off-by: Huang Shijie <redacted>
---
 drivers/mtd/spi-nor/spi-nor.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index e0bc11a..07d249c 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -500,7 +500,7 @@ const struct spi_device_id spi_nor_ids[] = {
 	{ "n25q064",     INFO(0x20ba17, 0, 64 * 1024,  128, 0) },
 	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, 0) },
 	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, 0) },
-	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K) },
+	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | SPI_NOR_DDR_QUAD_READ) },
 	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K) },
 
 	/* PMC */
-- 
1.7.2.rc3
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